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IOP3701 Assignment 2 Semester 2 2024
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QUESTIONS AND ANSWERS IOP3701 Assignment 2 Semester 2 2024
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IOP3701 Assignment 2Semester 2 2024
QUESTIONS WITH ANSWERS
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, IOP3701 Assignment 2 Semester 2 2024
The concept of unfair labour practice has been introduced into South Africa through the Labour
Relations Act and it is argued that certain psychometric testing practices can be interpreted as
falling under the definition of an unfair labour practice. Empirical results are presented indicating
that different ethnic groups obtain significantly different mean ability test scores. A case study is
cited to show that this would result in an underprediction of performance on a criterion for the
lower scoring of two groups if test scores are regarded as comparable. It is argued that any
interpretation of psychometric data in South Africa that does not take into account of possible
differences between ethnic groups is likely to ignore a significant moderator variable, given the
history of ethnically based discriminatory practices in this country. Arguments based on meta-
analytical research in the USA, to the effect that psychometric ability tests do not discriminate
unfairly against disadvantaged groups if the same tests and norms are used, should not be
assumed to hold in South Africa. Various conceptions of what constitutes fairness in selection are
considered, and it is concluded that there is a need for employers to make explicit in their
selection policies the trade-off between economic and social costs of employment practices.
Finally, some implications for users of psychometric tests in industry are considered, to forewarn
of likely developments in this field.
1. Do you agree with the statement that “certain psychometric testing practices can be interpreted
as falling under the definition of an unfair labour practice”, and why? (3)
2. What is the meaning of the statement “different ethnic groups obtain significantly different
mean ability test scores”? (3)
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