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The Raven's Coloured Progressive Matrices (CPM) test is internationally recognised as a culture-fair test of non-verbal intelligence, designed for use with children between the ages of 51/4 and 111/2 years. The Raven's CPM is used extensively across a wide variety of settings in South Africa. However, more appropriate local normative data has yet to be established. This pilot study seeks to establish normative data for this instrument for a population of isiXhosa-speaking primary school children in a peri-urban area of the Eastern Cape, South Africa. The booklet version of the test was used in group format and according to an alternative method of test administration (using isiXhosa instructions) developed by Vass (1992). The final normative sample consisted of 197 male and 182 female isiXhosa-speaking children in Grades 2 to 7 (n = 379). This study presents a set of local norms for the age group, 6 to 11 years. In addition, it was found that older children (>11 years of age) who have not yet reached certain educational levels, have also not reached the plateau, as anticipated, in their performance on this test. In addition, therefore, is a set of 'older norms' also presented and the issues related to grade versus age norms are debated. The tendency for this normative sample to perform lower than their Western counterparts on this test was also noted and debated. The tendency for males to outperform females was also recorded and it was found that this is in line with previous research on similar populations. The study concludes that there is an urgent need for more appropriate South African normative data for this test; and that, when assessing African children from disadvantaged backgrounds, further research into the effects of cultural and socio-economic factors and gender on non-verbal analogical reasoning tasks (and performance on this test in particular) is required.
Knoetze et al. (Wed,) studied this question.