Latisha believes that sociologists need to look at not only how our institutions were intended to work but also the unintentional effects of those institutions. According to the textbook, this is a major part of which theoretical perspective?

According to the textbook, this is a major part of functionalism.

Explanation:

Sociologists are person who involved in study of sociology. The sociologists focuses on general social patterns in the behavior of particular people.

Auguste Comte and Émile Durkheim worked on the "theory of functionalism". They compared societies to the workings of a human body. This theory states that the mental state of a person is related by their functional role.

In the above statement, Latisha wishes that the sociologists should also concentrate on the unintentional effects of the institutions.