After anika learned that her history teacher had suffered an anxiety disorder, she concluded that the teacher's tendency to talk loudly was simply a way of disguising feelings of personal insecurity. this best illustrates the

biased power of diagnostic labels

Explanation:

Diagnostic labels refers to the act of separating people based on a certain traits or characteristics for research or diagnostic purposes.

Initially, the purpose of creating diagnostic labels is to make it easier for us to identify a symptom that might resided. But , if we held those diagnostic labels harder that we suppose to be, we will form a bias that might make us falsely interpreted the traits/characteristics (just like when anika perceive her teacher of being insecure simply because her teacher talk loudly)

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