Mediating Effect of Organizational structure on the Relationship between Managers' Leadership Style and Employees' Creativity (Case study: Metal Industries of Kaveh Industrial City)

Abstract

This research was conducted with the aim of studying the impact of managers' leadership style on employees' creativity with considering the mediating role of organizational structure in Metal Industries of Kaveh Industrial City at 2012. The populution of the research was including 4700 employee involved in metal industries of Iranian Kaveh Industrial City and among whom, 355 people was considered as sample by using Cochran formula and sampling method of rational random classification. Data collection was carried out through questionnaires. Technical characteristic of questionnaire including reliability and validity studied by using of various criterion, for example Alpha Chronbach method used as one of the methods of reliability assessment for this research, that reliability coefficient obtained for standard questionnaires MLQ leadership style 0.81, Torrance creativity 0.84 and Robbins organizational structure 0.78. Also to test the validity of questionnaires we used content validity and construct validity. Data analysis was carried out through SPSS, Smart PLS and Lisrel software in two aspects of descriptive (frequency, frequency percentage, mean, Standard deviation) and inferential (Structural Equation Modeling, Shapiro-Wilk Test, Pearson correlation coefficient, Exploratory factor analysis, Confirmatory Factor Analysis, Simple and multi-variable linear regression). The results showed that there is a significant relationship between manager's leadership style and its dimensions with employees' creativity; there is a significant relationship between manager's leadership style and its dimensions with organizational structure; besides, there is a significant relationship between organizational structure and its dimensions with employees' creativity. Also in relationship between managers' leadership style and creativity, organizational structure variable play the role of mediator.

Keywords: Leadership Style, Creativity, Organizational Structure, Metal Industrial