Psychology / Unit 7 Psych 0791 short lesson, about 20 seconds
Spearman's General Intelligence
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The idea
Spearman proposed a general intelligence factor, g, because performance across different mental tasks tends to correlate.
In practice
People who score well on vocabulary tests also tend to score well on spatial reasoning tests.
Where people slip
A correlation across tasks establishes a statistical factor. What that factor is remains disputed.
Your place on the trail
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Builds on
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