what is the difference between psychometric …

(i) The psychometric approach of intelligence is also known as the structural approach.
(ii) It considers intelligence as an aggregate of abilities. It explains an individual's performance in term of a single index of cognitive abilities.
(iii) It focuses on the structure of intelligence, i.e., what is intelligence, e.g., the unifactor theory, the two factor theory, the theory of primary mental abilities, etc.
(iv) Information processing approach describes the processes people use in intellectual reasoning and problem solving.
(v) The major focus of this approach is on how an intelligent person acts. It emphasizes on studying cognitive functions underlying intelligent behaviour.
(vi) e.g., theory of multiple intelligences, PASS model and triarchic theory of intelligence.