In problem solving research, it is often necessary to use a between-subjects design in order to
a. avoid ceiling effects.
b. reduce the number of participants in the experiment.
c. reduce the variability of observations.
d. avoid carryover effects.
Question 2
During a study using the behavioral research strategy, it is common to prepare a list of behaviors called behavioral categories before the actual observation begins. The least likely purpose for this procedure is to ____.
a. ensure the objectivity of the measurements
b. evaluate the reliability of the measurements
c. provide an operational definition for the variables being measured
d. simplify the recording task for the observer(s)
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