That would be archaeologists, although I could be wrong.
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Answer:
The answer is C. the out-group homogeneity effect.
Explanation:
This refers to the perception that an <em>out-group</em> share a common set of characteristics, while the <em>in-group</em> are more diverse. In this example, Catherine's parents assume that all engineers are similar.
This perception has been found in different types of social groups, from political to age and gender. Professional choices are not an exception. It has also been related to stereotyping.
It helps reproduce animals that are cloned