If you are interested in determining the effectiveness of a new medication in treating depression, it is most critical that you use ____.?
a. ?naturalistic observational methods
b. ?correlational research
c. ?a double-blind design
d. ?a stratified sample
ANSWER:
c
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A Likert scale is a(n)
a. open ended rating scale b. rating scale, often with seven or nine categories c. rating scale with verbal categories rather than numerical d. questionnaire that uses branching of items
Another aspect of sleep's contribution to memory relates to:
A. delta waves B. sleep spindles C. alpha waves D. PKO spikes
In terms of memory for written material, having the title of a passage, essay, or book
a. can aid encoding if it is available before processing the material. b. usually interferes with encoding. c. can aid encoding if it is available soon after processing the material. d. assures that the encoding will be automatic. e. is a form of maintenance rehearsal.
Four-month-old Robert is described as having a difficult temperament. His father is insensitive, coercive, and also difficult in temperament. What can we predict Robert's developmental outcome will be?
A. Robert will most likely have behavioral problems and adjustment difficulties that worsen with age, even into early adolescence. B. Robert will become less extreme in his behavioral tendencies because babies with difficult temperaments become less extreme with age. C. Babies with difficult temperaments tend to be unpredictable, so we cannot accurately predict what Robert will be like as he ages. D. Robert will be more likely to get ill as he gets older because difficult temperaments wear down a person's immune system.