Which theory of human behaviour is the most widely accepted theory in the study of human behaviour and the main underpinning model we use in this course?Group of answer choicesPsychoanalytical theoryReinforcement theoryBehaviourism theorySocial cognitive theory

Without knowing the specific course you're referring to, it's difficult to definitively answer this question. However, in general, all four theories you mentioned - Psychoanalytical theory, Reinforcement theory, Behaviourism theory, and Social cognitive theory - are widely accepted and used in the study of human behaviour.

1. Psychoanalytical theory, proposed by Sigmund Freud, suggests that human behaviour is driven by unconscious desires and conflicts.

2. Reinforcement theory, part of Behaviourism, proposed by B.F. Skinner, suggests that behaviour which is reinforced tends to be repeated (i.e., strengthened); behaviour which is not reinforced tends to die out-or be extinguished (i.e., weakened).

3. Behaviourism theory, proposed by John B. Watson, suggests that human behaviour can be explained in terms of conditioning, without appeal to thoughts or feelings.

4. Social cognitive theory, proposed by Albert Bandura, suggests that learning occurs in a social context with a dynamic and reciprocal interaction of the person, environment, and behaviour.

Each of these theories has its own strengths and weaknesses, and they are often used in combination to explain human behaviour. The main underpinning model used in a course would depend on the specific focus of that course.