Psychometric properties of scores from an embedded and independently-administered short form of the Raven's Advanced Progressive Matrices

Document Type : Original Article

Authors

1 Sultan Qaboos University, Oman

2 Email: alimi@squ.edu.om1,amkazem@squ.edu.om

10.18576/ijlms/010203

Abstract

The purpose of this study was to compare the psychometric properties of scores obtained from the Arthur and Day's short form of the Advanced Progressive Matrices (APM) when the items of the short form are administered within the full test (i.e., embedded short form), and when they are administered independently as a stand-alone test. The full test was administered to 433 students from two universities in the Sultanate of Oman, and the short form was completed by another sample of 179 students from one of the two universities from which the first sample was drawn. Results of the embedded short form were generally comparable to those reported by Arthur and Day (1994). But, the scores from the independently-administered short form had inadequate psychometric properties compared to those of the embedded short form and the full test. Hence, it was concluded that the short form under consideration is not suitable for predictive purposes due to the relatively low level of reliability of scores obtained from it when administered as a stand-alone test which results in a large standard error of measurement as compared to the full test.

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