Sometimes it is difficult to generalize the results of a study to the population because of the problem.

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley

What made it increasingly difficult for president roosevelt to stay neutral during world war ii?

How does danae feel about petraeus