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ERIC Number: ED356260
Record Type: Non-Journal
Publication Date: 1992
Pages: 84
Abstractor: N/A
Reference Count: N/A
ISBN: ISBN-0-7969-1254-8
ISSN: N/A
Test Bias in the Intermediate Mental Alertness, Mechanical Comprehension, Blox and High Level Figure Classification Tests. An NTB/HSRC Report.
Holburn, P. T.
Research is reported on four tests commonly used in South Africa to select apprentices, the Intermediate Mental Alertness Test, the High Level Figure Classification Test, the Blox Test, and the Mechanical Comprehension Test. Samples were as follows: (1) 206 Asian, 208 Black, 102 Coloured, and 99 White mostly male applicants for sugar industry positions; (2) Black, mostly male applicants for a development company; and (3) 14 Asian, 128 Black, 199 Coloured, and 74 White applicants for a motor company. The Mechanical Comprehension Test was found to have low internal consistency reliability figures for Asian, Black, and Coloured applicants, and it was not recommended for multicultural apprentice selection. Item bias detection procedures were applied to the other tests. Overall, it appears that the Intermediate Mental Alertness Test had the most bias, followed by the Blox Test. Very little bias emerged for the High Level Figure Classification Test. Despite the presence of bias, these tests are recommended for use in batteries for apprentices. Suggestions are given for dealing with test bias. Ten tables present study findings and one figure illustrates predictive bias. Three appendixes list item difficulty values, item-total correlations, and percentages not completing an item for the three tests. (SLD)
Publication Type: Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: Human Sciences Research Council, Pretoria (South Africa).
Identifiers - Location: South Africa