Who was the inventor of statistical technique called factor analysis, a method that compares results of different correlational measures to identify patterns, or "factors," among them?
A) Alfred Binet
B) Henri Simon
C) Sir Francis Galton
D) Charles Spearman
Answer: D
Rationale: Charles Spearman developed techniques to calculate correlations among multiple measures of mental abilities. One of these techniques, known as factor analysis, is a statistical technique that reveals similarities among a wide variety of items.
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