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while-using-a-rating-scale-as-a-tool-of-research-which-of-the-following-is-to-be-avoided

While using a rating scale as a tool of research, which of the following is to be avoided?

[A] Clarity of directions

[B] Mutually exclusive characteristics

[C] Criteria of ratings

[D] Halo effect

Answer & Explanation
Answer: Halo effect