If you were a professor, what advice would you give a student who proposes the following research project in order to increase the efficiency of the experiment
Study 1 will investigate the effect of an instructor's gender on student evaluations of the course and Study 2 will investigate the effect of upper level versus lower level courses on student evaluations of the course.
a) Conduct a 2 X 2 factorial design instead of two individual experiments
b) Conduct a power analysis after data collection.
c) Collect small sample sizes for each condition.
d) Collect large sample sizes for each condition.
A
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An air-traffic controller must sustain her concentration for hours at a time in order to monitor arrivals and departures to prevent accidents. The activity of which neurotransmitter is underlying her vigilance?
A) GABA B) endorphins C) dopamine D) norepinephrine
The statistical procedure called ____ is used to identify the separate abilities assessed by a test
a. trend analysis b. multiple correlation c. partial correlation d. factor analysis
What is the primary difficulty with applying the criterion of "social nonconformity" to define abnormal behavior?
a) Norms are entirely subjective from person to person. b) Societies generally accept and view all behaviors as normal. c) The acceptability of a behavior might be different from one setting to another. d) Norms do not guide behavior except in rare instances.
The need to use arms to carry the young may explain the evolution of
a. bipedalism. b. sociality. c. tool use. d. division of labor. e. language