Concept: Attitude consists of three components: cognitive, affective, and behavioural, along with social influence factors.
Step 1: Mapping components
Cognitive relates to thoughts and beliefs.
Affective relates to emotions and feelings.
Behavioural relates to actions and tendencies.
Social influence reflects external impact on attitude formation.
Step 2: Matching logic
Each component directly corresponds to its psychological definition.
Step 3: Final answer
Thus, correct matching is a-I, b-II, c-III, d-IV.