Sam conducted a naturalistic observation as a project for a psychology class. He observed the interactions of parents and children at a restaurant. He believes many parents spoil their children in today's society. He observed many parents allowing children to get away with bad behavior such as being rude to the wait staff. When Sam described his work to his teacher, she suggested he find out more about the .

observer effect                                                    

Explanation:

In psychology, the observer effect is described as a phenomenon in which there's a possibility that a specific act or behavior of observation might affect the different properties of the thing (what) is being observed. Therefore, it can reflect effects depending on an entirely different nature utilizing a specific mechanism and context.

In other words, it refers to the act of observation that can influence a particular phenomenon that is being observed.

The correct answer is observer effect.

answer; protectionism fosters competition and keeps price regulated;

answer; legislature;