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Hattrup, K. (2003). Review of the Differential Aptitude Test. Mental Measurements Yearbook, 15, 302-304.

Laher, S., & Mokone, M. (2008). Exploring the reliability and validity of the DAT-K in

Grade 11 learners in a previously disadvantaged school in Johannesburg. Journal of

Psychology in Africa, 18, 249-254.

Marais, A.C. Using the Dat test to estimate intelligence and scholastic achievement

Macfarlane, M. OPredictors of academic achievement in multilingual learners

Owen, K. (1991). Test Bias: The Validity of the Junior Aptitude Tests (JAT) for Various Population Groups in South Africa Regarding Constructs Measured. South African Journal of Psychology, 21, 112-118.

Patel, A. B. (2004). The Influence of Mode Testing (Computer Based vs. Paper & pencil) on Anxiety and Test Performance. Unpublished Master’s Dissertation, Wits University, Johannesburg, South Africa.

Trochim, W. M. K. (2006). Research methods and Knowledge Base. Retrieved 03/10/06 from http://www.socialresearchmethods.net/kb/reliable.php

Wheeler, J.J. (1999). Norms for the DAT-K (Draft Report). In M.A. Coetzee & H. N. Vosloo, Manual for the Differential Aptitude Test Form K. Pretoria: HSRC