In general, psychologists agree that the inability to remember experiences during the first years of life is due to the defense mechanism of repression

People who are willing to take part in surveys usually have opinions and views that are different from those who decline to take part. This phenomenon is called:

a. volunteer bias. b. experimenter's bias. c. confirmation bias. d. systematic bias.

Which is NOT true of categories?

a. Mental categories involve fuzzy boundaries. b. Typical members resemble the prototype of the category. c. Diffusion reduces the priming effects for central categorical membership. d. Evidence supports the notion that multiple types of categorization are used.