Analysis of Psychometrics Properties of Internet Attitude Scale (IAS_40)

The purpose of present research is to investigate psychometrics properties of internet Assessment Scale (IAS-40),as a comprehensive instrument which includes four subscales: Internet Anxiety, Internet Usefulness, Enjoyment and Self efficacy This is a survey research. For this purpose,359 Esfahan, Najafabad and Khorasgan university students who have been engaged in education and study in 2006-2007 education year were selected as study sample. The results of final analysis showed that all four subscales have high (internal consistency) and (test-retest) reliability. Concurrent validity of internal Anxiety (r=.53) and Self efficacy(r=.55) were significant.(p=.05).Results of Confirmatory Factor Analysis(CFA)showed that the four factors have completed harmony with main structure of questionnaire and all factors were significant. This scale is a valid, reliable and useful instrument.