What is Spearman’s concept of g? Based upon this concept, how would one best
encapsulate general ability or intelligence (e.g., one score, multiple)?
empirical support for general mental ability factor underlying all intelligent behavior
•general factor = “g”
•large # of more specific factors
•all tests, no matter how diverse, are influenced by g
Developed statistical technique “factor analysis” to provide support for g.
•any common variance noted among factors represents the g factor.
•evidence = positive correlations