Describe the advantages and disadvantages of a within-subjects experiment.
What will be an ideal response?
Ans: Advantages: need fewer subjects, subjects serve as their own control so no group differences.
Disadvantages: must consider order effects, subject commitment is longer.
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Miller (2010) indicated that children's difficulty with the three-mountain task may be due more to ____ than to ____
a. the demands of the task? egocentrism b. egocentrism? the demands of the task c. irreversibility? egocentrism d. being in a laboratory environment? egocentrism
Mapping out the relationship between shared bone structures across different species suggests that there is a(n) ____ explanation
a. ontogenetic b. evolutionary c. behavioral d. physiological
Chantelle's doctors think she may have a brain tumor, and they would like to use a brain-imaging technique that will provide them with accurate images of her brain structures. The technique that they are most likely to use would be:
a. an electroencephalogram (EEG) b. positron emission tomography (PET) c. a computerized tomography scan (CT scan) d. brain lesioning
Which of the following sequences describes the typical order in which motor units are recruited?
a. Type IIb, Type IIa, Type I b. Type II b, Type I, Type IIa c. Type I, Type IIa, Type IIb d. Type I, Type IIb, Type IIa