Determine what descriptive statistic or inferential test is appropriate for each problem in this set. An experimenter is interested in the


Determine what descriptive statistic or inferential test is appropriate for each problem in this set.
An experimenter is interested in the effect of expectations and drugs on alertness. Each participant is given an amphetamine (stimulant) or a placebo (an inert substance). In addition, half in each group are told that the drug taken was a stimulant and half that the drug was a depressant. An alertness score for each participant is obtained from a composite of measures that included a questionnaire and observation.


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