Proponents of the neutral theory of molecular evolution believe that most substitutions are fixed by _______.

If the size of a population increases drastically,

Colinearity of Hox genes means the order of the on the is the same as the order of the expression of the genes in the body.

Where does our self-concept (our “self-schema”) come from?

Which statement is true regarding motivation?

A mental shortcut in which people begin with a rough estimation as a starting point and then revise this estimate to take into account unique characteristics of the present situation is __________.

Imagine that you are listening to a speech and you need to evaluate the speaker’s “true” attitudes toward some issues. In which of the following cases would you be less likely to take into account the circumstances under which the speaker is giving the speech, such as whether he had a choice on which side to take?

Describe the mood management hypothesis, and provide an example of a helping situation that illustrates it.

Which statement describes how the phenomenon of diffusion of responsibility is related to the social responsibility norm for helping victims?

An examination of an English-language newspaper’s account and a Chinese-language newspaper’s account of Dr. Gang Lu’s shooting rampage found that __________.