Ethics review committees are typically composed of
a. laypersons only.
b. professionals only.
c. samples of research participants from the population under study. d. both professionals and samples of research participants.
e. both professionals and laypersons.
e
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If other factors are held constant, how does sample size influence the likelihood of rejecting the null hypothesis and measures of effect size such as r2 and Cohen's d?
a. A larger sample increases both the likelihood and measures of effect size. b. A larger sample increases the likelihood but has little influence on measures of effect size. c. A larger sample decreases the likelihood but has little influence on measures of effect size. d. A larger sample decreases both the likelihood and measures of effect size.
To find out if intelligence was a single general ability, Charles Spearman measured how well school-age children could discriminate small differences in colour, auditory pitch, and weight; subsequently, he correlated these scores with the children's:
A) ratio IQ. B) deviation IQ. C) academic performance. D) musical performance.
Stimulation in Hillary’s brain resulted in a massive overabundance of synapses, many of which served identical functions. Neurons that were seldom stimulated lost their synapses in a process called __________
A) myelination B) synaptic pruning C) neuroimaging D) neurotransmission
The overjustification effect suggests that when __________ are increased __________ will be decreased.
a. extrinsic motivations; behavior b. intrinsic rewards; extrinsic motivation c. behaviors; extrinsic motivation d. extrinsic rewards; intrinsic motivation e. intrinsic motivations; laziness