The nerve cells that respond to specific aspects of a visual stimulus,such as its shape or its movement,are

A) bipolar cells.
B) rods and cones.
C) ganglion cells.
D) feature detectors.

Small differences in the intensity of a sound received by each ear enable us to identify the ________ of the sound.

A) location
B) amplitude
C) pitch
D) absolute threshold

When parents allow boys to play with toys traditionally associated with girls, this confirms gender roles.

Developmental test scores obtained during infancy are

A) very reliable and should be administered to all infants when they visit their pediatrician.
B) strong predictors of adult IQ.
C) good predictors of childhood IQ.
D) useful to detect early sensory and neurological deficits.

How is catatonic stupor related to loss of volition?

A) Both appear to be behaviorally similar, but each has different underlying features.
B) Both are negative symptoms of schizophrenia.
C) Both rely on similar structures in the motor cortex.
D) Both of these appear at similar points during the time-course of schizophrenia.

Sometimes a man with a high need for Affiliation will engage in social interactions, but sometimes he will not. According to Murray, what determines the man's affiliation behavior?

A) Whether or not he has recently spent time with people
B) The strength of his need for Affiliation relative to other needs
C) The need for Affiliation levels of other people
D) His need for Power

A participant in a social psychology research study reacts negatively to the nonsense syllable " chakaka " during the experiment. This instinctive response is an example of a_____

A)  thought that is gradually evaluated in a delayed and conscious manner.
B)  thought that is eventually evaluated in an immediate and conscious manner.
C) thought that is initially evaluated in an immediate and unconscious manner.
D)  thought that is finally evaluated in a delayed and unconscious manner.

People with schizophrenia often have difficulties predicting how they will feel in the future leading to problems with ________ and ________.

A) aggression; violent behavior
B) anhedonia; aggression
C) motivation; decision making
D) love relationships; parenthood

Nontraditional students have strengths that may be lacking in traditional students such as ______.

A) having more social support
B) showing a readiness to learn
C) having financial stability
D) being more driven to graduate early

A psychologist conducts research using the twin-study method. He administers a need for Achievement scale to sets of monozygotic and dizygotic twins and finds a correlation of .50 between the scores for pairs of monozygotic twins. If this study is to demonstrate evidence for a genetic influence on need for Achievement, what would we expect the correlation to be between scores for pairs of dizygotic twins?

A) Higher than .50
B) Lower than .50
C) Very close to .50
D) There is no way to demonstrate a genetic influence with these data.