Horn's contribution to Cattell's model of intelligence included ...

[fbq8i]

Horn's contribution to Cattell's model of intelligence included
 
  a. an additional 9-10 broad cognitive abilities.
  b. verbal and performance tasks
  c. a scale to measure an individual's ability to judge and reason
  d. the concept of fluid intelligence.

Question 2

Thurston particularly challenged the notion of
 
  a. multiple ability factors
  b. the general intelligence factor
  c. primary mental abilities
  d. intelligence as a product of the environment

[kescobar@64]

Answer to Question 1

a

Answer to Question 2

b