Differential validity of the GAT Admission test in Saudi Arabia

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Differential validity of the GAT Admission test in Saudi Arabia

Several admission criteria have been used to predict university GPA in Saudi Arabian Universities. The General Aptitude Test (GAT) was introduced eleven years ago by the National Center for Assessment in Higher Education. The test has two parts, verbal and quantitative. All items are in the multiple choice format. ,High school students may register for the test in either the 11th grade or the 12th grade. Many studies of its validity have been conducted, especially its predictive validity. All these studies have concluded that the test has predictive validity comparable to other internationally known tests such as the SAT. Other validity evidences are continually gathered. This study is intended to investigate GAT’,s construct validity and assess its differential validity. It aimed to answer the following question: When partialling out the effect of the high school GPA, does the GAT score differentiate high scorers from low scorers in university GPA? The findings indicate that regardless of the HSGPA magnitude the GAT score changes gauge the changes in FYGPA.  ,

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