"Barclay is getting ready for a date with someone new. Before he leaves his apartment, he decides to smoke some marijuana, which he believes helps him to be more charming and interesting. Which theoretical perspective best explains Barclay's actions"?

Cognitive Perspective

Explanation:

The Cognitive Perspective is the perspective that is related to mental functions such as 'memory, perception, problem solving, and thinking.'

The cognitive perspective comes under the psychological study of cognition. The approach of cognitive psychology was first studied by William Wundt in 1879.  

In the given case, Barclay's perception can be best explained by Cognitive perspective theory. His perception about smoking marijuana which makes him think that he will appear more charming and interesting can be studied under cognitive perspective because this field of study helps in learning about memory, thinking, perception, etc.

So, the correct answer is cognitive perspective.

world bank is the correct answer.