The Flynn effect in South Africa

摘要: Abstract This is a study of secular score gains in South Africa. The findings are based on representative samples from datasets utilized norm studies popular mainstream intelligence batteries such as the WAIS well widely used test which were locally developed and normed Flynn effects computed three ways. First, where two different groups take same test, with several years between, using or comparable used. Second, group takes at specific time Third, differences between English- Afrikaans-speaking Whites Africa 20th century compared. effect White somewhat smaller than Western, industrialized countries (total N  = 6534), Indian substantially  = 682). Non-verbal IQ scores surpassed increases verbal scores. evidence leveling out over  = 79,310). A meta-regression analysis showed no clear support for moderators a) method computing gain, b) type battery, c) span, d) quality sample, e) average age sample.