747170 SAP0010.1177/0081246317747170South African Journal of PsychologyShuttleworth-Edwards research-article2017 South African Journal of Psychology 2018, Vol. 48(2) 175 –178 © The Author(s) 2017 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav https://doi.org/10.1177/0081246317747170 DOI: 10.1177/0081246317747170 journals.sagepub.com/home/sap Response Response to Taylor and de Beer (2018) on population based norms and IQ testing Ann B Shuttleworth-Edwards Keywords Wechsler IQ test, Norms, Cross-cultural Taylor and de Beer (2018) have suggested that a recent publication (Shuttleworth-Edwards, 2017) involves “broad, unsubstantiated claims regarding the lack of utility of population norms for use in cognitive assessments,” with the further implication that the content of this publication may not be “empirical, objective and defensible” (p. 171). The purpose of the present response is to refute this and to show that Shuttleworth-Edwards’ position is (a) empirically based in clinically relevant South African data and (b) objective in the sense of being substantiated by a scientific chain of reasoning that underpins the development and application of normative data as a basis for conduct- ing valid intellectual assessments in multicultural settings. Shuttleworth-Edwards has argued that the use of population-based norms in culturally diverse contexts is clinically and scientifically indefensible, thereby calling into question the validity of the South African standardization of the Wechsler Adult Intelligence Scale,
South African Journal of Psychology – SAGE
Published: Jun 1, 2018
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