To compute an interaction contrast in a two-factor, mixed design we can first compute ______, for individuals then a apply a contrast to these across ______.
a. contrast weights; levels of the within-subjects variable
b. contrast scores; levels of the between-subjects variable
c. contrast weights for the between subject variable; levels of the contrast scores
d. contrast scores for the between subject variable; levels of the contrast weights
Ans: B
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What is the standard error of the mean for a distribution of scores where s = 24 and n = 144?
a. 20 b. 0.167 c. 2.0 d. unable to determine
According to humanistic theorists, barriers to personal growth include which of the following?
a. unhealthy traits b. conditions of worth c. maladaptive habits d. unconscious conflicts
Briana has just agreed to take a job that will have her work overnight three days a week and day shifts two days a week. She should expect rather significant disruptions in her ________ rhythms that may lead to sleep disruptions over time.
A. nocturnal B. circadian C. diurnal D. hypocretin
Why are control groups included in experiments?
A. to rule out the idea that something other than experimental manipulation produced the observed results in an experiment B. to show that when two variables in an experiment are strongly correlated, they have a cause-and-effect relationship C. to determine whether two variables being investigated in an experiment are correlated D. to ensure that participants are properly assigned to the groups in an experiment