In this paper, we study the impact of leadership style among middle level managers of Iran Khodro, the biggest Iranian automaker, to promote innovation among regular workers. The proposed study designed a questionnaire and distributed it among middle level managers of this auto-maker. The study uses t-student test to examine the relationship between leadership behavior components and innovation and Freedman test is employed to rank the effects. The results of t-student values indicate that all leadership behavior of middle level have positive influence on innovation and Freedman test implied that stimulating knowledge diffusion was number one priority followed by intellectual stimulation and innovative role-modeling. We have also performed multi-regression analysis and the results have indicated that there were some positive relationship between leadership components and innovation.
This paper presents an empirical survey on understanding the content validity and reliability of technology acceptance measurement (TAM) among 278 university professors who worked for university of Shahid Beheshti located in city of Tehran Iran. We use a questionnaire consists of 37 different questions in five categories including perceived usefulness, perceived ease of use, attitude towards the use of technology and operating plan in Likert scale. The proposed study uses first-order confirmatory factor analysis for validity of the questionnaire and Cronbach alpha is employed for measuring the reliability of the questionnaire. The results have confirmed that TAM questionnaire maintains sufficient content validity and reliability. In other words, The measures were refined and stream-lined, resulting in two six-item scales with reliabilities of 0.89 for usefulness and 0.87 for ease of use.