الرقم الموحد920033515

 التقارير الفنية المتخصصة

The impact of teacher background characteristics on achievement in the general section of the Teachers test in Saudi Arabia

 Khurrem Jehangir

The aim of this study is to investigate the relationship between teacher background characteristics and achievement on the general section of the Teachers test. The background variables that are ... المزيد  

Test length and precision: How precise the GAT will be if the test is shortened

 Dr.Abdullah al-Qataee ,Dr.Abdulrahman Al-shamrani

All the evidence gathered showed a promising investment in short form tests. Reliability evidence, standard error of measurement, and correlations with other forms are all supportive of the use ... المزيد  

Assessing Professional Knowledge of Teachers in Saudi Arabia: The Moderating Effects of Gender, Age, Year of Graduation, and Experience Using Multilevel Modeling

 Georgios D. Sideridis

The purpose of the present study was to test the proposition that gender, age, and experience exert differential effects over teacher’s professional knowledge, promotion of learning, support of l ... المزيد  

Standardized test of Arabic proflciency in speakers of other Languages (STAPSOL): evidence of its reliability and validity

 Dr. Amjed al-owidha & Dr.Abdulrahman Al-shamrani

In response to requests from some academic institutions, the National Center for Assessment in Higher Education has developed a Standardized Test of Arabic Proficiency in Speakers of other Langua ... المزيد  

Factorial invariance and latent mean differences of scores on GAT across Gender

 Ioannis Tsaousis

This study examined the factorial structure of data on the General Aptitude Test administered by the National Center for Assessment in Higher Education (NCA) at Riyadh, Saudi Arabia. A total of 8 ... المزيد  

Using Rasch model to Examine the psychometric properties of the General Aptitude Test for postgraduate students( GAT-Post)

 Ioannis Tsaousis

The aim of this study was to evaluate the psychometric characteristics of the General Aptitude Test for Postgraduate students (GAT-Post). For this purpose, we applied the Rasch model to examine t ... المزيد  

Comparisons between the 5 similar Test Forms of the Computer Based GAT Verbal test and the Paper& Pencil GAT Verbal test: Dimensionality & Reliability

 Khurrem Jehangir

TR137-2016 Abstract This study investigates and compares the dimensionality and factor structure of test data on the two modes of assessment being administered in the NCA for the Verbal section ... المزيد  

Examining the Effect of Response Latency on Item Parameterization Using an IRT-MIMIC model

 Ioannis Tsaousis

The analysis of response time has received increasing attention during the last decades, since evidence from several studies support the argument that there is a direct relationship between item ... المزيد  

Latent Class Analysis of GAT-Verbal Data

 Dimiter M. Dimitrov​

This study deals with latent class analysis (LCA) of data on the General Aptitude Test-Verbal Part (GAT-Verbal) administered by the National Center for Assessment in Higher Education (NCA)at Riya ... المزيد  

Assessing the Academic Performance at Pre-College, College, and Post-College Levels for Universities in Saudi Arabia

 Dimiter Dimitrov Khaleel Al-Harbi,

Purpose: The goal is to illustrate an approach to assessing the academic performance of college students in Saudi Arabia on (a) prior-to-college admission tests, (b) college GPA and coursework gr ... المزيد  


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