value & implication of g

value & implication of g

1. Functional tool theory

   • It is not just the amount of knowledge that individuals have accumulated or been exposed to. n  It reflects the ability to profit from instruction, think abstractly, reason, and solve problems. n  Higher g is useful in virtually all areas of life because virtually all require some learning and problem solving

2. evidence against social privilege theory

   • Post-World War II communist government of Warsaw, Poland, assigned families of all social classes to the same housing, schools, and health services, but this social leveling failed to narrow intelligence differences in the next generation.

3. twin studies

   • evidence suggests that degree of similarity in IQ follows similarity in genetic heritage, not socioeconomic condition

4. IQ appears more important in actual job performance than education, references, or interview performance

5. Other factors do play a role: n  Personality dimensions of conscientiousness and integrity add to IQ as predictors of employment success

6. IQ test scores predict performance in variety of measures of educational and occupational attainment n  In some cases, the relationship can be partially explained by other factors (e.g., family background)