The number of subjects to be used in an experiment should depend mainly on
a. the size of the effect
b. the anticipated variability of the data
c. the number available
d. both a and b
d
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What will be an ideal response?
The visual system needed to properly "track" an object is the
A. ocular-motor system B. peripheral vision system C. crossed lateral system D. unilateral system
According to the requirements of "informed consent," research participants in a blind, placebo-controlled study will be told
A. that they may or may not receive an active treatment. B. that they will not receive active treatment until the research study is over. C. if they are in the placebo group or the treatment group. D. only that they are participants in a research study and that they can quit at any time.
Which is NOT one of the three most frequently cited reasons for friendships breaking up?
a. life transitions b. physical separation c. discovering very different views on important matters d. trust being broken