Analyzing the psychometric properties of the classroom perception scale

Abstract

Introduction: The purpose of study was to evaluate the psychometric   characteristics ofperceived scale of the class in Iranian society.

Method: The study is correlation type (factor analysis). The study used exploratory and confirmatory factor analysis which is a technique to study the structure of a set of data that has several pre-conception about the discovery of a questionnaire items. The study sample was 300 male and female students of high school in the city of Mashhad in 2015 that were randomly stratified and completed the perceived scale of the class. Data were analyzed by using exploratory and confirmatory factor analysis.

Findings: The results of the factor analysis method tend to have Direct Oblimin  rotation showed four factors of perceived the class and were fitted by confirmatory factor analysis. Internal consistency reliability coefficients like Alpha Cronbach for 31 items and four factors including interest, challenge, selecting and enjoying, respectively has the amount of 0.77, 0.66, 0.80, 0.91 and total scale of the perception of class was 0.90 which is satisfactory.

Discussion: The results of the factor analysis are consistent with previous research and considering the validity and reliability of the perception of the gentry’ class therefore this questionnaire can be a useful tool for evaluating the perception of students from the classroom.

Keywords: Perception of class; factorial validity; reliability; psychometric.