Psychology 101 - test 1
A biological explanation for why a depressed mother killed her children would focus on:
Select one:
a.a deficiency in the activity of certain chemicals in the brain.
b.uncovering her earlier episodes of postpartum depression.
c.examining her belief that her life was miserable.
d.investigating the lack of social support she received to deal with her stressful life. - ANS a. a
deficiency in the activity of certain chemicals in the brain.
A case study is an example of _____ research.
Select one:
a.correlational
b.experimental
c.survey
d.descriptive - ANS d. descriptive
A cognitive psychologist would explain how memory works by studying various:
Select one:
a.mental processes.
b.cultural experiences.
c.environmental circumstances.
d.brain structures. - ANS a.mental processes.
A psychologist with a biological perspective is interested in studying how human behavior is
influenced by:
Select one:
a.brain mechanisms.
b.unconscious drives.
c.cultural experiences.
d.environmental circumstances. - ANS a.brain mechanisms.
,A study examining how other people affect one's behavior is MOST likely guided by which major
research perspective?
Select one:
a.behavioral
b.biological
c.cognitive
d.sociocultural - ANS d.sociocultural
About _____ percent of the scores in a normal distribution are between -1 standard deviation and
+1 standard deviation of the mean.
Select one:
a.95
b.34
c.99
d.68 - ANS d.68
According to regression toward the mean, if two measures are correlated and the first measure is an
extreme high value, the second measure will tend to be _____ than the first, and if the first measure
is an extreme low value, the second measure will tend to be _____ than the first.
Select one:
a.lower; higher
b.higher; higher
c.lower; lower
d.higher; lower - ANS a.lower; higher
Descriptive statistics _____, while inferential statistics _____.
Select one:
a.describe the likelihood that the results of a study are due to chance; provide a concise summary of
a distribution of scores
b.summarize skewed distributions; summarize normal distributions
c.summarize normal distributions; summarize skewed distributions
, d.provide a concise summary of a distribution of scores; describe the likelihood that the results of a
study are due to chance - ANS provide a concise summary of a distribution of scores; describe the
likelihood that the results of a study are due to chance
Dr. Klein studies genetic factors that influence behavior. Dr. Klein's research illustrates the _____
perspective.
Select one:
a.cognitive
b.sociocultural
c.biological
d.behavioral - ANS c.biological
Dr. Simon studies how the activity of neural chemicals influences our moods. Dr. Simon's work MOST
directly illustrates psychology's _____ perspective.
Select one:
a.sociocultural
b.behavioral
c.biological
d.cognitive - ANS c.biological
In a distribution of test scores, there are a few scores that are much lower than the others. This is an
example of a _____-skewed distribution in which the mean is _____ than the median.
Select one:
a.right; less
b.right; greater
c.left; greater
d.left; less - ANS d.left; less
In a left-skewed distribution, the mean is _____ than the median; in a right-skewed distribution, the
mean is _____ than the median.
Select one:
a.greater; less
b.less; less
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