Applied mathematics in Engineering, Management and Technology 2 (2) 2014:88-99 www.amiemt-journal.com The study of the relation between work-family conflict with organizational commitment among the staffs of Tejarat bank branches of Kerman Mohammad Mohammadi, student of Islamic Azad University, Rafsanjan Branch, Iran Masoud Porkiani, Management Department, Islamic Azad University, Kerman Branch, Iran Malike Beheshtifar, Management Department, Islamic Azad University, Rafsanjan Branch, Iran Abstract The current study aimed to investigate the family-work conflict in Tejarat bank branches of Kerman and its relation with organizational commitment of the staffs. Family-work conflicts are including behavior-based conflict, time conflict, strainbased and organizational commitment dimensions are emotional commitment, continuous commitment and normative commitment. The study population of the present study was all the staffs of Tejarat Bank of Kerman town. The numbers of the branches were 26 with sample size 295. The sampling was done by Cochran‟s formula and the sample size was 169. The data collection instrument of the study was two questionnaires of family-work conflict and organizational commitment and the validity and reliability of the questionnaire were family-work were 0.82, 0.86 and the validity and reliability of organizational commitment was 0.86, 0.84. For the data analysis via the questionnaires, different tables of frequency distribution, charts, the coefficient of determination (r2), median, mean, Pearson correlation test, independence test and etc were applied and all the study analyses were done by SPSS software. The data analysis showed that by the increase of the scores of family-work conflict as (behavior-based conflict, time conflict, strain-based), the organizational commitment scores of the staffs were reduced and it showed a reverse relation between two variabsles. As the results of the study showed, there was a significant relation between family-work conflict and organizational commitment of the staffs of Tejarat Bank of Kerman. The more the family-work conflict, the less the organizational commitment. Thus, some recommendations were presented for the guidance of the organizational managers. Keywords: Conflict; Family-work conflict; Organizational commitment 1.Introduction In the current complex world that all the countries in the world search for sustainable development, by the development of human resources, the sustainable development is achieved that committed human beings are the values of the society. Who is committed and by what criteria are recognized are the cases requiring the considerable studies (Jahromi et al. 2009:111). The family-work conflict is recognized as the major issue affecting the employees, employers and their families. This conflict is arising from the interference of occupational and family roles. The incompatibility between the requirements of work and the roles of family created many problems for the employees and their families to meet the needs in both domains of life. The logical and empirical reasons showed that the reduction of family-work conflict increased job satisfaction but it affected job outcomes (Sheikh Shabani et al., 2011:350). Family-work conflict is occurred when work demands by reduction of commitment and energy reduces the ability of a person for family roles (Malkiha et al., 2009:136). The exact recognition of the constituents of family-work conflict and organizational commitment and the evaluation and the effect of each of the factors are important in organizational commitment. 2.Significance of the study 88 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. The results of the study are of importance as the positive relation between organizational commitment and the behaviors of the employees such as the attempts of the employees in their duties, the maintenance of effective employees, effective presence at work place, more inclination to present citizenship behavior in the organization and presentation of high quality services in the considerable studies are showed well. These factors showed the high performance effect of all the employees. In addition, in the dynamic world of economy, the organizations can not present a guarantee “a job for a life” making the image of organizational commitment among the qualified people. The organizations are interested to use these behaviors. In recent years, organizational commitment is changed into the main issue in the human resources management and attracted many attentions. To find the question, the main focus is on “commitment” and it is the belonging or loyalty. The people can show belonging and loyalty in various levels as job, occupation, office, chief or organization. Then, organizational commitment is divided in each of the above levels. Organizational commitment guarantees the success of an organization. Based on the importance of this issue, the significance of the study is proved when we can say the organizational commitment has close relation with family-work conflict. The interference of family-work is occurred when job duties avoid family duties and family issues interference is occurred when the role of a person in the family avoids the effective work duties (Boyer et al., 2008). The effective factors are of great importance and it can be importance in the selection of the evaluation and the education of the employees for the management of the country. The lower the family-work conflict, the higher the organizational commitment of human resources and work quality is increased and vice versa. If the family-work conflict is increased, the organizational commitment is decreased. 3. Research objectives The main research purpose The description of family-work conflict among the employees of the branches of Tejarat Bank of Kerman The description of organizational commitment among the employees of the branches of Tejarat Bank of Kerman The description of the relation between work-family conflict with emotional commitment among the employees of the branches of Tejarat Bank of Kerman The minor aims of the study The description of the relation between family-work conflict and emotional commitment among the employees of the branches of Tejarat Bank of Kerman The description of the relation between family-work conflict with continuous commitment among the employees of the branches of Tejarat Bank of Kerman The description of the relation between family-work conflict and normative commitment among the employees of the branches of Tejarat Bank of Kerman The description of the relation between family-work conflict and organizational commitment among the employees of the branches of Tejarat Bank of Kerman based on intermediating variables (gender, marital status, education, experience). Family-work conflict: It implies a bidirectional relationship; conflict is occurred in both domains (Mauno & et al, 1998) as a major issue affecting both employees and employers. The work-family conflict facet was defined as a form of inter-role conflict occurring as a result of general demands and strain created by the job interfering with one‟s ability to perform family related responsibilities and it leads into mental pressure and the reduction of personal and organizational health criteria (Arizi Samani, 2011:151-170). Greenhaus & beutell defined Work-home interference and work-family conflict have been defined as „„a form of inter-role conflict in which the role pressures from the work and family domains are mutually incompatible (Henssey, 2005). We are faced with two kinds of family-work conflict: a. The work-family conflict facet was defined as a form of interrole 89 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. conflict occurring as a result of general demands and strain created by the job interfering with one‟s ability to perform family related responsibilities or a form of conflict between the roles in which the strains of work and family roles are incompatible and the participation in other roles is difficult. B. family-work conflict facet as role conflict resulting from general demands and strain created by the family interfering with an employee‟s ability to perform responsibilities related to work. Netemeyer et al. (1996) defined the family-work conflict facet as role conflict resulting from general demands and strain created by the family interfering with an employee‟s ability to perform responsibilities related to work. Work and family are the main systems in the life of each person forming a unique aspect of human behavior and each person should balance between both aspects. Work-family conflict is occurred when the requirements of each of two domains (work) with the demands of other domain (family) are incompatible and this conflict can affect family life quality and work life quality (Adams & king & king, 1996). The sustainable conflict between work and family is related with some issues as job burnout, family and work strains, physical symptoms of disease, depression, alcohol abuse, bad relation of child-parent, negative behaviors of the children, the reduction of job satisfaction and increase of job leave and job absence (Lambert & et al, 2006). Greenhaus & beutell divided different kinds of work-family conflict into three types of 1- time conflict, 2-strain based conflict, 3) behavior based conflict. -Time –based conflict Time-based conflict is evidenced when time pressures of one role prevents an employee from being able to allot time to meet the demands of another role. It has two forms. A. continuous time strains with a role making following from the expectations of another role physically impossible. b) It is possible that when a person wants to meet the demands of a role physically, he is involved with another role mentally (Voydanoff, 2005). -Strain-based conflict The second form of family-work conflict is the strain as the result of occupational and family strains. These stimuli in job and family roles create physical and mental pressures such as stress, anxiety, depression and aggression making the meeting the demands of another role difficult and the strain based conflict occurs when pressure or strain from one role affects how a person performs in another role. The incompatibility of the roles is due to the strain of a role making the following of the demands of another role difficult (Milkie & peltola, 1999). -Behavior based conflict Behavior-based conflict occurs when behavioral patterns required and exhibited in one role are incompatible with those required for another role. It is possible that it is expected of a male executive manager to be bold in his duties but the family members have different expectations from him and he is faced with different behavior expectations. In this kind of conflict, special models of behavior in a definite role are incompatible with the expectations of the behavior in another role. It is possible that in job role, some behaviors are required of a person that are incompatible with the behavioral expectations in family role. When he cannot follow the behavioral expectations despite the behavior change he is faced with behavior-based conflict (Mesmer & et al, 2005). Work conflict and family-work conflict affects the work life and family conflict and family-work conflict affects the family life method. The work life and family life predict life satisfaction (Robinson & Kelley, 1998). Work life is a comprehensive construct including job health of a person, when a person work experiences are with the reward without strain and other negative outcomes (Burke, 2004). The family life is the concept including the family health of a person, when his roles as father/mother and spouse are with reward without strain and other negative outcomes. Life satisfaction is arising from a person satisfaction of having a good job life (Fron & et al, 1992). Organizational commitment is one of the issues of attitude that is defined as mental and intellectual relation to some issues and by improving attitude in an issue, the commitment increase is possible. Understanding commitment process is useful for the organizational and society because it leads into the innovation of the employees, high stability in the institution and competition in the institution and the society can use high 90 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. productivity of the organizational and better quality of the products. Another issue of motivation is organizational commitment dedicating a great volume of management issues in the west in 1970s. The organizational commitment has close relation with job satisfaction of the employees and from the second half of the 20th century “Motivation, job satisfaction and organizational commitment” are considered from interest variables for organizational commitment understanding. The results of the studies showed that organizational commitment is related with many occupational behaviors of the employees and organizational commitment has serious effects on organization performance (Saatchi et al., 2008:147-167). The emotional organizational commitment (stay): emotional commitment means belonging of a person to an organization. The person stays in the organization for the reason that he has positive attitude to the values of the organization. This kind of commitment is created when a person continues his works due to the emotional dependence. Continuous organizational commitment: A person continues his works in the organization as he needs the benefits of the organization. He stays in the organization as based on costs-benefit analysis; he is required to stay in the organization. Normative organizational commitment: This type of commitment is arising from a person values in the organization, he believes that he is indebted to the workplace and no organization can be successful unless the members of the organization can be committed and attempt to attain the aims (Nasr Esfahani, 2011: 105-124). -Organizational commitment outcomes By meeting the main requirements of the employees, the organizations can be committed by establishing the mutual relation between themselves and organizational culture to the organization. The commitment can have positive outcomes. The employees with commitment observe discipline and they stay for a long time in the organization. The managers should maintain the commitment of the employees to the organization and by the participation of the employees in decision making and providing an acceptable level of job security, more commitment is provided for them (Taleqani and Negahdarian, 2010:2). The theoretical framework of the study In the theoretical framework of the study, at first the study variables are investigated, then the relations between the variables are defined. In this study, work-family conflict is studied as predictive variable (independent) and organizational commitment is studied as criterion variable (dependent). Work-family conflict is a kind of interrole conflict in which the pressure of the roles and work-family demands are incompatible (Qaredaqi and Mahmoodi, 2012). Work conflict is classified into three domains: time-based conflict, strain-based conflict and behavior –based conflict and the incompatibilities leads into work-family conflict. One of the initial studies regarding the relation between family life and occupational life in workfamily institution of USA showed that this issue is related with job outcomes (Hashemi Sheikh Shabani et al., 2011). The organizational commitment is an attitude about loyalty to an organization and a continuous process that by participation of people in organizational decisions, the success of the organization is required being evaluated in three dimensions as emotional commitment, continuous commitment and normative commitment ( Abili and Nastizayi, 2009). The studies of Demerouti et al (2004) showed that work-family conflict is associated with job commitment. Anderson et al (2002) showed that conflict is the symbol of being out of balance. Work-family conflict as the most important strain of work and family domains is associated with mental pressure of job and this issue affects organizational outcomes as organizational commitment. Gaither et al (2008) showed that work-family conflict as occupational strain by job stress can affect job outcomes as job satisfaction and organizational commitment and job leave. -Study population In this study, the study population is all the employees of the branches of Tejarat bank of Kerman with 26 Tejarat bank branches, 295 employees and the table and the number of the questionnaires collected are shown in Attachment no. 4. -Sample size and sampling method 91 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. Any scientific study requires taking time and money. The researchers are required to acquire the samples via sampling of the probable information by the data analysis and by generalizing dedicate the information to the main population (Khaki, 2003:158). The study populations of this study are all the employees in the branches of Tejarat Bank of Kerman as 295 people in 26 branches. To determine the sample size, Cochran‟s formula was applied. In this study by stratified sampling method and by Cochran‟s formula, 169 people were determined. Random stratified method was applied. -Data collection instrument For data collection, a questionnaire was used and it was distributed among the study population. 1To evaluate work-family conflict, the questionnaire was provided by Carlson, Kamar and Williams (2000) and it was composed of 18 questions. The responses were ranging 1 (completely disagree) to 5 (completely agree) by Likert scale and the high score showed high work-family conflict. 2To evaluate the organizational commitment, Allen Mayer organizational commitment inventory was made in 1990 and it was applied to evaluate the three components of organizational commitment. In this questionnaire, to evaluate each components of emotional commitment, normative and continuous, 8 items were applied. The questionnaire had 24 items based on 5-itme Likert scale. -Validity of the questionnaire To determine the validity of the questionnaire, 5 questionnaires were distributed among 5 lecturers of management of the faculty members of Azad University of Rafsangan and Kerman to present their comments. Finally, content validity and common method, the validity of the first questionnaire was supported as 0.82 and validity of the second questionnaire was 0.86. The reliability evaluation In this study, to investigate the internal consistency of the questionnaire questions, Cronbach‟s alpha was used. questionnaire Organizational commitment Work-family conflict Table 1-Internal consistency Table Cronbach‟s alpha Questions Subjects 0.844 24 169 0.861 18 169 The Cronbach‟s alpha for organizational commitment questionnaire was 0.844 and work-family conflict 0.861 that is higher than the required value 0.70.It can be said that internal components (all the items) had acceptable correlation with each other. -Data collection method The questionnaire method was applied. This method provided the fact to collect the required information from the study population. The lack of ambiguity was observed in the questionnaires. 169 questionnaires were distributed and collected after 4 weeks. -Data analysis method 92 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. After the questionnaires distribution and data collection, all the questionnaires were investigated and the data were extracted. For data analysis, the followings should be done: 1All the questionnaires were classified as computer format. 2To plot the chart, SPSS software was applied. For data analysis, the following study methods were applied: 1Descriptive statistics: Frequency, bar and box tables. By these tables and charts, a description of general features of the managers, the questionnaire questions were presented. 2Inference statistics: To investigate the hypotheses 1 to 3, Pearson and Spearman correlation methods were applied. To predict the criterion variable, Stepwise method was used. Before the performance of normal regression, criterion variable was app lied by one-sample Kolmogrov-Smirnov test. The normality was established for all the variables. To study the relation between work-family conflict and organizational commitment with the presence of intermediate variables of education, experience and gender, linear log method was applied (hypothesis 4). For data analysis, SPSS software version 16 was applied and significance level was 0.05. 4. Main hypothesis There was a relation between work-family conflict of the employees and their organizational commitment in the branches of Tejarat Bank of Kerman. To study the relation between work-family conflict of the employees and their organizational commitment, Pearson and Spearman correlation coefficient was applied (quantitative variables). The results of the test are shown in the following Table. Table 2-Pearson and Spearman correlation coefficient between work-family conflict of the employees and organizational commitment Correlation Correlation Type of p-value N Relation statistics coefficient relation Pearson * -0.345 >0.001 169 Yes Reverse Spearman -0.401 >0.001* 169 Yes Reverse *at 0.05 significant, ** at 0.01 Based on the results of correlation test, Pearson correlation coefficient was -0.345 and Spearman correlation coefficient was -0.401 and it showed that there was a significant relation between work –family conflict of the employees and their organizational commitment (P<0.05) and as the correlation coefficients were negative, it showed a reverse relation between these two variables, it means that by the increase of work-family conflict of the employees, the organizational commitment is reduced. Sub-hypothesis 1 There was a relation between work-family conflict of the employees and their emotional commitment in the branches of Tejarat Bank of Kerman. To study the relation between work-family conflict of the employees and their emotional commitment, Pearson and Spearman correlation coefficient was applied (quantitative variables). The results of the test are shown in the following Table. 93 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. Table 3-Pearson and Spearman correlation coefficient between work-family conflict of the employees and emotional commitment Correlation Correlation Type of p-value N Relation statistics coefficient relation Pearson * -0.345 >0.001 169 Yes Reverse Spearman -0.427 >0.001* 169 Yes Reverse *at 0.05 significant, ** at 0.01 Based on the results of correlation test, Pearson correlation coefficient was -0.345 and Spearman correlation coefficient was -0.427 and it showed that there was a significant relation between work –family conflict of the employees and their emotional commitment (P<0.05) and as the correlation coefficients were negative, it showed a reverse relation between these two variables, it means that by the increase of work-family conflict of the employees, the emotional commitment is reduced. Sub-hypothesis 2 There was a relation between work-family conflict of the employees and their continuous commitment in the branches of Tejarat Bank of Kerman. To study the relation between work-family conflict of the employees and their continuous commitment, Pearson and Spearman correlation coefficient was applied (quantitative variables). The results of the test are shown in the following Table. Table 4-Pearson and Spearman correlation coefficient between work-family conflict of the employees and continuous commitment Correlation Correlation Type of p-value N Relation statistics coefficient relation Pearson * -0.254 >0.001 169 Yes Reverse Spearman * -0.228 >0.001 169 Yes Reverse *at 0.05 significant, ** at 0.01 Based on the results of correlation test, Pearson correlation coefficient was -0.254 and Spearman correlation coefficient was -0.228 and it showed that there was a significant relation between work –family conflict of the employees and their continuous commitment (P<0.05) and as the correlation coefficients were negative, it showed a reverse relation between these two variables, it means that by the increase of work-family conflict of the employees, the continuous commitment is reduced. Sub-hypothesis 3 There was a relation between work-family conflict of the employees and their normative commitment in the branches of Tejarat Bank of Kerman. To study the relation between work-family conflict of the employees and their normative commitment, Pearson and Spearman correlation coefficient was applied (quantitative variables). The results of the test are shown in the Table 5. Table 5.Pearson and Spearman correlation coefficient between work-family conflict of the employees and normative commitment Correlation Correlation Type of p-value N Relation statistics coefficient relation Pearson -0.113 0.143 169 NO Spearman -0.083 0.286 169 NO *at 0.05 significant, ** at 0.01 94 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. Based on the results of correlation test, Pearson correlation coefficient was -0.113 and Spearman correlation coefficient was -0.083 and it showed that there was no significant relation between work –family conflict of the employees and their normative commitment (P>0.05). Work-family conflict can predict organizational commitment in the branches of Tejarat bank of Kerman town. In this hypothesis, we are required to investigate whether work-family conflict components (time-based conflict, strain-based conflict and behavior-based conflict) can predict organizational commitment variable. To study this hypothesis, the linear relation between predictive variables (work-family conflict) and criterion variable (organizational commitment), Stepwise method was used. To study the relation between work-family conflict (time-based conflict, strain-based conflict and behavior based conflict) and organizational commitment and the prediction of organizational commitment by work-family conflict, simultaneous regression (time-based conflict, strain-based conflict and behavior based conflict on organizational commitment was applied and the results are shown in the Tables. Table 6-Variance analysis Table to stud y the relation between criterion variable (organizational commitment) and predictive variables of work-family conflict components Model Sum of squares Degree of freedom Mean of squares F statistics P-value Residual 1.022 3 0.341 6.865 regression * <0.001 8.184 165 0.050 Total 9.206 168 The results of variance analysis showed that regression model was significant (P<0.05). Table 7-The results of simultaneous regression of work-family conflict on organizational commitment Non-standard coefficient Predictive variables Constant Time-based WorkStrain-based family Behavior conflict based B coefficie nt 4.147 -0.154 -0.114 -0.099 Beta Standard coefficient t P R R2 R2(adj) 0.241 0.046 0.048 -0.252 -0.177 17.225 -3.324 -2.405 *<0.001 0.333 0.111 0.095 0.044 -0.170 -2.243 *0.026 Standard error *<0.001 *0.017 Criterion variable *significant at 0.05 (P<0.05) Based on simultaneous regression, work-family conflict on organizational commitment, time-based conflict predicts organizational commitment negatively and it has decreasing effect (P<0.001, B=-0.154). Also, strainbased conflict negatively predicts organizational commitment and it has decreasing effect (P<0.001, B=-0.114). Also, behavior-based conflict negatively predicts organizational commitment and it has decreasing effect (P<0.001, B=-0.099). Based on R2, 11% of the changes of organizational commitment are explained by workfamily conflict. The regression model is as following: Organizational commitment=4.147-0.154×time-based conflict-0.154×strain-based conflict-0.099×behavior based conflict Sub-hypothesis 4 There is a difference between work-family conflict and organizational commitment of the employees in the branches of Tejarat Bank of Kerman with intermediate variable (marital status, gender, education, experience) Two variables work-family conflict of the employees and organizational commitment are dependent with the condition of the presence of gender variable. It means that gender as a confounding variable can affect workfamily conflict among the employees and organizational commitment (P<0.05, ). The results of 95 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. the correlation between work-family conflict of the employees and organizational commitment among men and women showed that correlation between the two variables is significant only among men group (p<0.05)(correlation value among men is -0.381). Two variables of work-family conflict of the employees and organizational commitment with the condition of marital status are dependent. It means that marital status as a confounding variable can affect the relation between work-family conflict and organizational commitment among the employees and organizational commitment (P<0.05, ). The results of the correlation between work-family conflict of the employees and organizational commitment among married and singles showed that correlation between the two variables is significant only among married group (p<0.05)(correlation value among married is -0.261). Two variables of work-family conflict of the employees and organizational commitment with the condition of education variable are dependent. It means that education as a confounding variable can affect the relation between work-family conflict and organizational commitment among the employees and organizational commitment (P<0.05, ). The results of the correlation between work-family conflict of the employees and organizational commitment at education level showed that correlation between the two variables is significant only among associate group (p<0.05)(correlation value among associate is -0.316). Two variables of work-family conflict of the employees and organizational commitment with the condition of experience variable are dependent. It means that experience as a confounding variable can affect the relation between work-family conflict and organizational commitment among the employees and organizational commitment (P<0.05, ). The results of the correlation between work-family conflict of the employees and organizational commitment at education level showed that correlation between the two variables is significant only among 1-10 year group (p<0.05)(correlation value among 1-10 year is -0.222). The results of hypotheses analysis 1There is an association between work-family conflict of the employees and their organizational commitment in branches of Tejarat Bank of Kerman 2There is a relation between work-family conflict with emotional commitment among the in branches of Tejarat Bank of Kerman 3There is a relation between family-work conflict with continuous commitment among the employees of the branches of Tejarat Bank of Kerman 4There is a relation between family-work conflict and normative commitment among the employees of the branches of Tejarat Bank of Kerman 5There is a relation between family-work conflict and organizational commitment among the employees of the branches of Tejarat Bank of Kerman based on intermediating variables (gender, marital status, education, experience). 5. Discussion The direction of work-family conflict considers two aspects. The item in which work issues interfere with family life and the direction in which family issues interfere with work domain. Based on the sample study as the employees of Tejarat Bank, the work-family conflict was considered. It seems that the problems of bank employees have negative effect on the families of the employees. This variable was evaluated by organizational commitment variable. Family-work conflict is a special type of the conflict between the roles in which a person is involved simultaneously with different demands of work and family responsibilities (Qaredaqi and Mahmoodi, 2012:37). There is a significant relation between organizational commitment and work-family conflict and there is a reverse relation between the two variables and this is in line with the studies of Demerouti et al (2004) and Gaither et al.(2008). Organizational commitment in the branches of Tejarat bank of Kerman town showed the behaviors of the employees as their attempts of the employees in their duties, the maintenance of effective employees, effective presence at work place, more inclination to present citizenship behavior in the organization and presentation of high quality services. If work conflict of the family is low, the quality is better. By an exact definition of emotional commitment as one of the subsets of organizational commitment, it was shown that emotional commitment is considered as belonging of an organization that by accepting organizational values and tendency to stay are shown. The values showed that if the work-family conflict is 96 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. controlled, the belonging to the branch of the bank and tendency to stay are increased and it is in line with the studies of Rashidrahman and Vahid (2012) and Ibn Lijeri and Sonmez (2012). The behavioral and mental condition of the employees of the branches of Tejarat bank of Kerman showed that the families with the minimum work-family conflict were sensitive to their success in the bank in their services. Based on continuous commitment that is arising from the understanding of increasing of the costs on an organization, the lost costs are the costs of an activity or project that are not recovered. Thus, if a person has continuous commitment, he will be sensitive to the increase of such costs. A person continues his work in the organization because he needs the benefits of the organization. He stays for the fact in the organization that based on costs-benefit analysis, he needs to stay in the organization (Golipor, 2007). These employees are sensitive to the costs. According to the definition of normative commitment “as perceived duty for the support of the organization and its activities it shows the obligation to stay in the organization and people think they are obligated to continued their duties in the organization. The results of the sampling among the employees of the branches of Tejarat bank of Kerman showed that the work-family conflict didn‟t have significant relation with normative commitment among the employees. If the conflict level is at the lowest one, the obligation to stay is not created. Ibn Lijeri and Sonmez (2012) in international journal of human resources management published an article titled the study of organizational commitment and work-family conflict among doctors and nurses in Ankara. The results showed that there is a reverse relation between organizational commitment with work-family conflict. The results showed that the committed physicians and nurses experienced more work-family conflict. Based on the results in this study, it can be said that if the bank employees are supported to create more balance between work environment and family environment, their emotional commitment to their job is increased considerably. Employment and work is considered from the beginning. The gender variable can affect work-family conflict relation with organizational commitment. In this study, men were faced with work-family conflict more than women. Based on the hypotheses above, their commitment to their work was changed by increasing and decreasing conflict level. The similar study by Casper et al. (2002) in psychology school of Tulsay Oklahama in USA was done. It can be said that work place commitment due to the direct response necessity on family commitment that is not effective as its management, it is caused that employees take their work place issues to their home. The married employees of Tejarat Bank branches of Kerman were faced with conflict more than others. Because due to the lack of consistency between the processes and work place issues with the images of family members, the work issues are not discussed at home. So, they are not perceived from the family. Thus, conflict level is increased and the organizational commitments are changed. High education causes that the employee have high analysis perception to solve work place issues and consistency of organizational commitments and family issues. According to the results of sampling among the employees of the branches of Tejarat Bank of Kerman showed the reverse relation between family work conflict and organizational commitment among the employees with high and low education. It means that high education among the employees lower the work family conflict and the organizational commitments were increased and vice versa. Some researchers as Nazim Ali and Baluch (2012) mentioned this issue. The experience caused that the employee has better understanding of organizational commitments and their confronting. The family due to high familiarity with organizational commitment has high perception of confronting the commitments of spouse. The high experience caused that organizational relations with other co-workers had high flexibility and respect. The mentioned items were determined based on the results of sampling among the employees of Tejarat Bank branches of Kerman province. 6. The limitation of the study 1The attempts of the researcher attracted the attention of the employees of Tejarat bank branches to collaborate with the researcher regarding the answer to the questions of the questionnaire 2The shortage of information resources in the study 3The inherent limitation of the questionnaire, because the questionnaire can not reflect the comments of the employees well. 4The lack of response of most of the employees of the banks despite the frequent visit s 5The dispersion of the branches of Tejarat bank in Kerman. 97 Applied mathematics in Engineering, Management and Technology 2 (2) 2014 M. Mohammadi et al. 9. Research recommendation 1Applying time management in work and life domains can reduce the pressures of work and life and by more focus on work duties, it can have high efficiency and it increased commitment in work place and proceed the organization aims. 2Participation of the family in the affairs caused the common understanding among the family and the employee of work issue and it had positive effect on reduction of work-family conflict and increased a person commitment to his work. 3The study of scientific and applied solutions to reduce work-family conflict and effectiveness of workfamily conflict management methods among men with various jobs and the participation of the employees in decision making and improving social relations networks. 4The required condition for the participation of the staffs and using new ideas in solving work-family conflict and it leads into innovation and increase of commitment in the organization. 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