COMPARISON OF THE PSYCHOMETRIC CHARACTERISTICS OF THE ADOLESCENTS DEPRESSION SCALE BASED ON THE ITEM RESPONSE THEORY WITH THOSE BASED ON THE CLASSIC TEST THEORY

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KESHAVARZ GH.; AKBARI BALOOTBANGAN A.; BABAKHANI KH.

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Paper Information

Journal: JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH Year:2017 | Volume:15 | Issue:3 Page(s): 209-224

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Title

COMPARISON OF THE PSYCHOMETRIC CHARACTERISTICS OF THE ADOLESCENTS DEPRESSION SCALE BASED ON THE ITEM RESPONSE THEORY WITH THOSE BASED ON THE CLASSIC TEST THEORY

Author(s)

KESHAVARZ GH. | AKBARI BALOOTBANGAN A. | BABAKHANI KH. | Issue Writer Certificate

Keywords

ITEM-RESPONSE THEORYQ1

DEPRESSIONQ2

ADOLESCENCEQ1

CLASSIC TEST THEORYQ1

Abstract

Background and Aim: The objective of this study was to assess the psychometric properties of the Adolescent DEPRESSION Scale (ADS) based on the ITEM-RESPONSE THEORY and compare the results with those based on the CLASSIC TEST THEORY.Materials and Methods: A total of 750 students (364 males and 386 females) were selected through multistage random clustering (levels proportional to size) and completed a questionnaire comprising 46 questions developed by the investigators.Results: Results of factor analysis and questions structure showed that the important itemresponse theory presumptions, namely, unidimensionality and local independence, are contained in ADS. As regards the psychometric characteristics of the questions, results from the two theories were similar, except that the ITEM-RESPONSE THEORY provided more valid indices for assessing the questions. Further analysis of the data indicated that the two theories showed close values for internal consistency with regard to psychometric characteristics, such that values of 0.933 and 0.947 were obtained for Alpha Cronbach and marginal validity, respectively. Finally, thenormality scores were calculated based on the Item Response Theory with those based on the CLASSIC TEST THEORY.Ranking the individuals by the two theories showed considerable differences as regards the DEPRESSION construct continuum, such as a difference of 86, 92, or 93 individuals.Conclusions: Based on the findings, it can be concluded that the ITEM-RESPONSE THEORY models provides a higher number of more exact indices for judgment and making decisions about questions, tests and individual ranking. Therefore, application of the ITEM-RESPONSE THEORY for assessment of other educational and psychological constructs is recommended.

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References

CONSTRUCTION AND VALIDATION TO SELF-DISCOVERY SCALE (SDS) BASED ON DIFFERENT THEORIES OF PERSONALITY IN STUDENTS

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APA: Copy

KESHAVARZ, GH., AKBARI BALOOTBANGAN, A., & BABAKHANI, KH.. (2017). COMPARISON OF THE PSYCHOMETRIC CHARACTERISTICS OF THE ADOLESCENTS DEPRESSION SCALE BASED ON THE ITEM RESPONSE THEORY WITH THOSE BASED ON THE CLASSIC TEST THEORY. JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH, 15(3 ), 209-224. SID. https://sid.ir/paper/85025/en

Vancouver: Copy

KESHAVARZ GH., AKBARI BALOOTBANGAN A., BABAKHANI KH.. COMPARISON OF THE PSYCHOMETRIC CHARACTERISTICS OF THE ADOLESCENTS DEPRESSION SCALE BASED ON THE ITEM RESPONSE THEORY WITH THOSE BASED ON THE CLASSIC TEST THEORY. JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH[Internet]. 2017;15(3 ):209-224. Available from: https://sid.ir/paper/85025/en

IEEE: Copy

GH. KESHAVARZ, A. AKBARI BALOOTBANGAN, and KH. BABAKHANI, “COMPARISON OF THE PSYCHOMETRIC CHARACTERISTICS OF THE ADOLESCENTS DEPRESSION SCALE BASED ON THE ITEM RESPONSE THEORY WITH THOSE BASED ON THE CLASSIC TEST THEORY,” JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH, vol. 15, no. 3 , pp. 209–224, 2017, [Online]. Available: https://sid.ir/paper/85025/en

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