1.47.A researcher wants to discover whether a particular behavior is caused by genetic background or by environmental factors.This can be complicated by the ________,the fact that environmental experience is itself affected by genetic background.
D)genetic behavioral concordance
1.48.What is one of the limitations in the use of a heritability ratio?
A)It cannot be generalized to the whole population.
B)It reflects only theoretically diverse environments.
C)Its calculation ignores environmental variance in a sample.
D)It can only be used to describe biological characteristics.
1.49.John Gottman,a researcher on marital interaction,has described one pattern of problematic communication called stonewalling.How would he describe this pattern?
A)One spouse is consistently isolated and withdrawn.
B)One spouse is consistently insulting to the other spouse.
C)One spouse attacks the other's personality rather than actions.
D)One spouse denies responsibility for marital difficulties.
1.50.Based on observations of marital interactions,John Gottman classified four problematic communication styles.How would he describe the problem labeled as contempt?
A)A spouse shows disinterest in the marriage.
B)A spouse is consistently isolated and withdrawn.
C)A spouse hurls angry insults at the other spouse.
D)A spouse denies responsibility for the marital problem.