ISSN IUGJEBS

5102 99 13 ISSN 2410-5198 IUGJEBS The Mediating Role of Perceived Organizational Support in the Relationship between Organizational Justice and Organizational Citizenship Behavior (Applied Study of the Interior Ministry - the Civil Part of the Gaza Strip) Abstract This study aimed to identify the organizational citizenship behavior level, to measure the level of organizational justice, to examine the relationship between organizational justice and organizational citizenship behavior. Moreover, it aimed to investigate the role of perceived organizational support as a mediating variable in the relationship between organizational justice and organizational citizenship behavior. To achieve these objectives, a measurement tool was developed based on previous studies. A sample of (240) employees working in Ministry of Interior in Gaza Strip were selected by using simple random sample. The number of received questionnaires was (210) which represents (32.8%) of the entire population of the study. The study found the level of organizational justice among the employees to be moderate and the level of organizational citizenship behavior was high. The study also revealed significant positive relationship between organizational justice and organizational citizenship behavior. Additionally, the study found that organizational support partially mediated the relationship between (distributive and Interactional Justice) and organizational citizenship behavior, and fully mediated the relationship between procedural justice and organizational citizenship behavior. Finally, the study recommended enhancing employees' perception of the Mahabnt@hotmail.com *

IUGJEBS 23(2) (2015) 13-95 organizational Justice especially interactional Justice and also including organizational citizenship behaviors in performance evaluations systems. Keywords: Organizational justice, Organizational Support, Organizational Citizenship Behavior. Singh & Singh, 2010 Tepper, Lockhart & Hoobler, 2001 Noruzy et al., 13

IUGJEBS 23(2) (2015) 31-59 Karriker & Williams, 2009 ;Young, 2010 Zoubi Mediator Variable Mediator 11

IUGJEBS 23(2) (2015) 13-95 H1 H1a H1b H1c H2 H2a H2b H2c Independent Dependent Mediator 13

IUGJEBS 23(2) (2015) 31-59 3 - - 1-19. 2012 25-20 45-26. 1977 19

IUGJEBS 23(2) (2015) 13-95 Organ, 1990 Farah et al., 2004 Katz, 1964 Lambert, 2006 Greenberg, 2011 2003 Podsakoff et. al., 2000 Polat, 2009 3 3 1 3 9 13

IUGJEBS 23(2) (2015) 31-59 Equity theory Ortiz, 1999) Newstrom & Davis, Byars & Rue, 1997 Saale 2006.(Till & Karren, 2011 1993 & Moore,1993 Neifoff & Moorman Procedural Rego & Cunha, 2006 Distributive Justice 1993 Justice Interactional Justice (Neifoff & Moorman 1993) Blakely et al., 2005 Interpersonal Justice Informational Justice 13

IUGJEBS 23(2) (2015) 13-95 Benefits) Social Exchange) Eisenberger Exchange Rhoades & Eisenberger, 2002. Eisenberger et al., 1990) Cropanzano & Mitchell, 2005.. Eisenberger, et al., 1997 Eisenberger et al., 1997 2012 73 13 (Netemeyer et al., 1997) Ahmadi et al, 2011

IUGJEBS 23(2) (2015) 31-59 Nadiri & Tanova, 2010 120 Messer & White, 2006 Chiaburu & lim, 2008 138 Blakely, et al., 2005 2012 Moormam, 1991 ; Chegini, 2009 Ambrose & chminke,2003 Moorman et al., 1998 2000 Chen & Chiu, 2008 Wayne et al., 1997 2013 Loi et al., 2006 Wayne et al., 2002 Moormen et al., 1998 15

IUGJEBS 23(2) (2015) 13-95 ; 2010 Nadiri & Tanova, 2010 ; ; 2012 Karriker & Williams, 2009;Young, 2010 Moormen et Noruzy et al., 2011 ; 2004 ; 2007 chiaburu & ; Lim, 2008 2012 al., 1998 Mediator Individual 240 Krejcie and Morgan, 1970 639 87.5% 8 210 37.5 Sekaran, 2003 34

IUGJEBS 23(2) (2015) 31-59 31.6% 202 (%) 81.7 165 18.3 37 48.0 97 29-18 33.1 67 39-30 12.9 26 49-40 06.0 12 60-50 17.8 36 67.8 137 14.4 29 17.8 36 6 28.8 58 15-7 53.4 108 15 26.7 54 73.3 148 1 18.3% %81.7 2012 6% 85.0% 2005 28.8% 15 17.8% 6 73.3% 26.7 33

IUGJEBS 23(2) (2015) 13-95 6 Niehof & Moorman, 1993 Eisenberger et al., 1986 Organ, 1990 19 20) 25 (0.7) p<0.05 Content Validity (Factor Analysis) Construct Validity (Principle Component Igbaria, Iivari & Factor Loading 0.50 Varimax Maragahh, 1995 33

IUGJEBS 23(2) (2015) 31-59 KMO Berlet 0.05 60% 2 KMO 3 0.908 65% 19 1 5-5 2 9 1 0.814 53% 6 4 0.859 68% 20 1 5 1 4-3 2 5-3 50% 0.50 50% KMO 50% 8 2 0.60 Berlet Tabachnick & Fidell, 2007 37 0.940 0.783 3 Hair et al., 2010 0.7 31

IUGJEBS 23(2) (2015) 13-95 1 0.820 0.783 0.831 0.804 0.940 0.937 0.898 0.884 0.826 0.862 0.813 r Cohen,1992 0.30-0.49 r Pearson 1 4 1 0.1-0.29 0.50 r 4 5 4 3 2 1 1 1 0.700** 1 0.629** 0.584** 1 0.411** 0.446** 0.533** 1 0.551** 0.326* 0.352** 0.430** Note: **P<0.01, and *P<0.05 SPSS.14 33

IUGJEBS 23(2) (2015) 31-59 Skewness & 0.05 5 Hair et al., 2010 (±1.96, ± 2.58 Kurtosis scatter plot 10 VIF Multicollinearity Durbin-Watson 1.5 and 2.5 1.801 2.176 1.492 (Coakes et al., 2006) 2 0.66 1.53-0.23-0.68 0.76 1.68-0.27-0.49 0.83 1.27-0.89-0.28-0.66-0.02-0.27-0.66 4.12 6 Hair et al., 4.17 4.02 4.07 1 4.20 0.35 4.14 2010 39

IUGJEBS 23(2) (2015) 13-95 6 0.83 3.86 0.79 3.78 0.88 3.21 0.65 3.61 0.35 4.12 0.62 3.79 3.86 3.21 6 3.78 3.61 1 1.96 0.430 H1a 9.335 R (7).(0.01) r=0.30 Cohen,1992 0.01 (18.5%) 87.44 R² F to 0.49 H1a 33

IUGJEBS 23(2) (2015) 31-59 Durbin Watson F- value Sig.F t Sig R Adj. R² 1.801 87.44 ** 9.335 ** 0.430 0.181 0.185 2.176 45.11 ** 6.376 ** 0.352 0.122 0.124 1.492 62.51 * 8.116 * 0.326 0.103 0.106 **p<0.01, *p<0.05 (7) H1b R² 7 0.01 1.96 6.376 adj.r² 0.124 0.352 R² R 12%) 0.01 45.11 F 0.352 H1b (7) H1c.(0.05) 1.96 8.116 0.106 0.326 R² (10.6%) adj.r² 0.326 F 0.05 62.51 H1c H1 Baron & Kenny, 1986 33

IUGJEBS 23(2) (2015) 13-95 Perfect Mediation Partial Mediation) 8 Sig. F- F value Sig t β R² ** 120.53 ** 11.35 0.533 0.284 ** 160.41 ** 10.49 0.551 0.303 ** 87.44 ** 9.335 0.430 0.185 ** 98.12 ** 3.882 0.190 0.329 ** 8.809 0.438 **p<0.01, *p<0.05 H2a 8 Beta = 0.533, (28% 0.284 t=11.35, sig=0.01 R² Beta = 0.551, t=10.49, sig=0.01) (30.3% 0.01 0.185 Beta = 0.430, t= 9.335, sig=0.01) 0.329 14.4% 0.185 Beta = 0.190) (F 0.01 33

IUGJEBS 23(2) (2015) 31-59 Partial Mediation H2a 9 Sig. F- F value Sig t β R² ** 113.60 ** 9.866 0.446 0.199 ** 160.41 ** 10.49 0.551 0.303 ** 54. 11 ** 6.376 0.352 0.124 **p<0.01, *p<0.05 89.224 17.83 0.133 0.317 ** 8.441 0.495 H2b 9 Beta = 20%) 0.199 0.446, t=9.866, sig=0.01 Beta = 0.551, t=10.49, sig=0.01) 30.3% 0.01) 0.124 Beta = 0.352, t= 6.376, sig=0.01) 0.317 0.124 Full Mediation Beta = 0.133) H2b 19.3% F 35

IUGJEBS 23(2) (2015) 13-95 31 Sig. F- F value Sig t β R² * 88.177 * 3.210 0.411 0.169 ** 160.41 ** 10.49 0.551 0.303 ** 62.51 * 8.116 0.326 0.106 ** 68.70 ** 4.094 0.123 0.293 ** 13.99 0.418 **p<0.01, *p<0.05 10 H2c 10 0.169 Beta = 0.411, t=3.210, sig=0.05 (17%) Beta = 0.551, t=10.49, sig=0.01) (30.3% Beta = 0.326, 0.106 t= 8.116, sig=0.05) 0.293 0.106 R² Beta = 0.123, t=4.094, sig=0.01) 18.7% F 0.01 H2c H2 4.12 94

IUGJEBS 23(2) (2015) 31-59 ; 2012 (Yilmaz & Tasdan, 2009 ; 2007 ; 2010 2008 ; 2003 1997 3.21 2007 ; 2010 3.61 Blakely et al., 2005 ; Young, 2010; ; 2009 2010 Ishak 2012 yilmaz & Tasdan, 2009; ; 2004 & Alam, 2009 18.5% 93

IUGJEBS 23(2) (2015) 13-95 Nadiri &Tanova, 2010 10.6% Fassina, Jones & Uggerstev (Rhoades & Eisenberger, 2002) Wayne et al., 2002; Liu, 2009 Moorman et al., 1998; Henry, 2007 ;Noruzy et al., 2011 93

IUGJEBS 23(2) (2015) 31-59 3.61-3.21 - - - 3.79-91

IUGJEBS 23(2) (2015) 13-95 12.2% 18.1% Mediator 10.3% 93

IUGJEBS 23(2) (2015) 31-59.. 99

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