Matching Pairs Matching Intelligence TheoriesOnline version Match the historical figure in the history of Intelligence testing to their contributions by Laura Brandt 1 David Weschler 2 L.L. Thurstone 3 Raymond Cattell 4 William Stern 5 Alfred Binet 6 Sir Francis Galton 7 Lewis Terman 8 Charles Spearman I modified the original Binet test for use with an American population and conducted longitudinal research on individuals with IQ scores over 135 who became known as the "Termites". I believed sensitivity to high-pitched sounds and skull size would be good predictors of I.Q. I also coined the term Nature versus Nurture. I shifted attention away from the g-factor to focus on the 7 primary mental abilities such as spatial ability, perceptual speed and verbal comprehension. I created the concepts of fluid intelligence which deals with capacity and speed of information processing and learning novel tasks and crystallized intelligence which relates to hard factual information. I created the formula to compute ratio I.Q. be dividing mental age over chronological age and multiplying by 100. Added a performance scale to IQ tests including tasks like block construction and sequencing of a story. I am frequently cited as creating the first modern day I.Q. test to determine if French children were prepared to start school. I created the concept of g-factor to underlie general intelligence and the statistical method of factor analysis.
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