Factorial designs involve
a. factor analysis
b. all combinations of at least two levels of at least two independent variables
c. three or more independent variables
d. three or more dependent variables
b
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Based on existing research, which of the following is probably the safest sleep aid?
a. melatonin b. alcohol c. benzodiazepines d. caffeine
According to your textbook, Anderson's ACT-R theory
a. is broader in scope than the prototype approach or the exemplar approach. b. points out that higher mental processes require insight and the reorganization of large bodies of information. c. emphasizes that procedural knowledge is roughly comparable to semantic memory. d. argues that semantic memory is basically organized into a series of hierarchies.
Distinguish between the processes of replication and meta-analysis. Explain how these processes contribute to the progress of psychological science.
What will be an ideal response?
How might a psychoneuroimmunologist explain the increased risk of catching the common cold during periods of prolonged stress?
a. Stress increases the number of natural killer cells, which attack the immune system. b. Stress increases the number of white blood cells, making the body more susceptible to infection. c. Telomeres are lengthened by stress, leaving cells more vulnerable to infection. d. Stress disrupts normal chemical communication between the brain and the immune system.