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1 how many conditions are there in the simplest possible experiment2 describe how participants are assigned to
1 what is a factorial design why are factorial designs used more frequently than one-way designs2 how many independent
1 describe a 2 x 2 x 3 factorial design how many independent variables are involved and how many levels are there of
1 describe a mixed or split-plot factorial design this design is a hybrid of what two other designs2 what is a main
1 what is an interaction2 how many interactions can be tested in a 2 x 2 design in a 3 x 3 design in a 2 x 2 x 3
1 what can researchers do to minimize error variance2 discuss the trade-off between internal and external validity
1 should demand characteristics be eliminated or strengthened in an experiment explain2 how do researchers detect and
once researchers calculate a value for t they compare that calculated value to a critical value of t what two pieces of
1 explain the rationale behind the t-test2 write the formula for at-test3 distinguish between one-tailed and two-tailed
1 which type of error do researchers usually regard as more serious why2 explain what it means if a researcher sets the
you have been asked to evaluate the effects of a new educational video that was developed to reduce racial prejudice
what main effects and interaction could you test with the design you developed for question 3 are you predicting that
1 explain the rationale behind time series designs2 describe the simple interrupted time series design3 why is
1 discuss how the interrupted time series design with a reversal and the interrupted time series design with multiple
1 what is program evaluation why do program evaluators rely heavily on quasiexperimental designs in their work2 what
1 when an author submits a manuscript to a journal what is the general process by which the decision whether or not to
a small firm makes three similar products which all follow the same three-step process consist- ing of milling
1 what is experimental contamination2 does a nonequivalent groups pretest-posttest design eliminate local history as a
1 when a longitudinal design reveals a change in behavior over time why can we not conclude that the change is due to
what three criteria must be met to establish that one variable causes changes in behavior which of these criteria are
imagine that your town or city has increased its nighttime police patrols to reduce crime design two quasi-experiments
the centers for disease control and prevention released a report in 1998 that attributed part of the increase in youth
1 what are four primary reasons that behavioral researchers use case studies2 what is a psychobiography3 why are
1 researchers who use group designs replicate their findings by repeating the same or a similar experiment on other
1 why do researchers use deception2 why do some people object to the use of deception in research3 what four goals