‘Black Box’ effect theory is related to: 

(A) Advertising

(B) Public Relations

(C) Communication

(D) Printing Technology

Correct Ans: (C)

Explanation: –

The ‘Black Box’ effect theory relates to Communication because it focuses on how individuals process and respond to messages. This theory emphasizes the input-output model, where communicators send messages (input), but the internal process of interpretation (the “black box”) remains unknown or unseen. Researchers analyze the visible outcomes (output) to understand the impact of communication, highlighting the complexity and subjectivity of message interpretation.