Intelligence And Aptitude — Psychology STD 12 Humanities — Question

PASS model of intelligence: J P Dass, Naglieri & Kirby (1994) Intellectual activities involve interdependent functioning of three neurological systems called the functional units of brain. These units are:

1. Arousal/attention.
2. Coding or processing.
3. Planning.

Now explain.
P – Planning.
A – Attention and Arousal.
S – Simultaneous processing.
S – Successive processing.