An experimenter conducts a study in which 16 people are asked to pedal a bicycle for 40 minutes and then perform a free recall memory task.They all then lie down for two hours and then perform a recognition memory task.Which of the following statements is false?
A)Memory performance is the dependent measure.
B)Type of task (free recall vs.recognition)is manipulated within-subjects.
C)Amount of expended energy (high vs.low)is manipulated between-subjects.
D)A within-subjects t-test could be used to compare participants' performance on the two tasks.
E)Type of task and amount of expended energy are confounded in this design.

Question

Quizplus · Accepted Answer

The amount of expended energy is not manipulated between-subjects, it is manipulated within-subjects since each participant pedals the bicycle for the same amount of time. Therefore, there are no differences between participants in terms of the amount of expended energy.

An Experimenter Conducts a Study in Which 16 People Are