a.the similarity between the twins remains constant.
b.they become more different from one another as they experience different
environments.
c.they become more similar to one another.
d.they become less similar once they escape the direct influence of their parents.
15) a depth cue based on the relative movements of objects at various distances from
the observer is termed motion:
a.gradient
b.constancy
c.parallax
d.disparity
16) a limitation of eeg recording in brain research is that:
a.physiological recordings based on eeg are more useful for nonhuman animals than
humans
b.researchers cannot always identify the specific areas of the brain generating the
electrical activity seen in the eeg recordings
c.eeg recordings record only changes in mood and arousal, not how active the brain is
as a whole
d.eeg recordings require the use of radioactive glucose for taking measurements in
different areas of the brain
17) which of the following statements describes the current status of freuds
psychodynamic theory in psychological science?
a.it has been largely abandoned because most of freuds ideas cannot be tested
empirically.
b.it has been modified by the neo-freudians and is now viewed as a scientifically valid
theory of personality.
c.it is now more widely endorsed by personality psychologists than when it was first
proposed.
d.it has been abandoned by therapists but not research psychologists.