What theory suggests that we end up choosing someone who is close to our own level of attractiveness?

matching hypothesis

Explanation:

Matching hypothesis -

It is a psychological social psychology theory , which was given in 1966 by Walster.

According to this theory , people are always in search of similarity , i.e. , people get along with the people with same nature , physical appearance , similar likes and dislikes , as they think they are more comfortable with people of similar type .

Hence, while choosing relationship partner or life partner , the person tries to find the one with similar characteristics .

Hence, the correct term for the given statement is matching hypothesis.  

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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answer; overt behavior;