Question

_____ is based on the idea that people classify things in terms of similarities and differences.

Answer 1

The answer is taxonomy 
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Answer 2

Answer:

​generalization/specialization

Explanation:

Generalization is a general way of defining a class through similarity between members. In other words, the term generalization refers to placing members of the same state and behavior that all objects that conform to that specification must have, no matter if it is of a more specific type. That is, there are the essential characteristics of a group of classes that have something in common.

On the other hand, specialization is by definition a class derived from a set of differences. It has characteristics that only pertain to that class and is based on the difference shown by its members. There are members who are special to that class.

For this reason, we can say that generalization/specialization is based on the idea that people classify things in terms of similarities and differences.