Researchers darley and gross (1983) showed different groups of people identical videotape footage of "hannah," a girl who was said to come either from an impoverished background or from a wealthy background. they found that people stereotyped the girl as intellectually inferior when they were led to believe that she came from an impoverished background. however, this stereotype emerged only when participants saw footage of hannah performing ambiguously on an oral exam. this finding is best explained by the concept of

The answer is b) The confirmation bias.

Explanation:

Cognitive biases are the distortions or illogical interpretations that people may have about the information obtained, which can distort the cognitive process. There are different types of cognitive biases, including confirmation bias.

Confirmation bias occurs when people rely on information that they easily remember and interpret situations according to their beliefs, adapting information obtained previously, avoiding more complex processing of the information.

Confirmation bias can occur very frequently and in different areas. For example, in the research conducted on stereotypes with Hannah's case, it can be seen that participants were influenced by confirmation bias by quickly recalling previous stereotypes to confirm the information they are receiving about Hannah.

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explanation: