Programmed theories see aging as a result of genetic instructions.

Unlike the concept of gender,the definition of people's sex is based only on

A) cultural expectations.
B) biological traits.
C) behavioral preferences.
D) social relationships.

Put the following statement into symbolic notation, using appropriate letters to abbreviate atomic components.
Either it rained or the Wilsons' barbecue went as planned.

William is interested in helping his client change his maladaptive behavior. He is most likely to be a(n) ____________.

A) action therapist
B) insight therapist
C) biomedical therapist
D) relationship therapist

The presence of schizophrenia was measured in both monozygotic (MZ) and dizygotic (DZ) twins. The correlation between the MZ twins was .50 and the correlation between the DZ twins was .30. What is the heritability coefficient for schizophrenia?

A) .80
B) .20
C) .40
D) .65

After Teresa was verbally threatened by someone in a passing car,she was asked whether she recognized the man who was driving the car. Several hours later,Teresa mistakenly recalled that the driver was a male rather than a female. Teresa's experience best illustrates

A) sensory memory.
B) proactive interference.
C) the misinformation effect.
D) the spacing effect.