摘要：AbstractThe Present study investigates the construct validation of Affective Construct Questionnaire (ACQ) in the context of Iran. For this purpose, one hundred sixty seven EFL learners, who were studying English in Jahan Elm, Institute of Higher Education and Hafez English Language Institute, Mashhad, Iran, were asked to participated in the study and fill in the questionnaire and give it back to the researcher within a week. First internal consistency of the instrument was assessed using Cronbach's coefficient alpha reliability. Then, Confirmatory factor analyses (CFAs) were conducted using LISREL 8.80. The internal consistency analysis of the ACQ utilizing Cronbach's coefficient alpha reached acceptable alpha(s). The results of the CFA as assessed by the CFI/NNFI, RMSEA and chi-x2, reached acceptable fits. The factor structures were defined and the factors were clearly distinguishable from one another. Based on the findings, the researcher concluded thatAffective Construct Questionnairehas undoubtedly strong psychometric characteristics and good constructs validity that makes him conclude that it is useful for assessing learners’ affective constructs research in Iran.
