When asked to describe an examination room at his doctor's office, John seemed to do an accurate job. However, he included a framed medical degree on the wall that in fact was not there. This is an illustration of

Two large studies of MZ twins suggest genetic factors strongly influence

a) IQ. b) favorite television show. c) choice of mate. d) hair style.

Our ________ is based on our perception that we belong to various social groups, such as our gender, nationality, religion, occupation, and so on.

Fill in the blank(s) with the appropriate word(s).