One CANNOT Reduce Problems of Ceiling and Floor Effects by

Multiple Choice

One CANNOT reduce problems of ceiling and floor effects by

A) avoiding the use of tasks that are too easy.
B) avoiding the use of tasks that are too difficult.
C) testing pilot participants to make sure that performance on a task will not be near the extremes of the scale.
D) making sure that pilot participants get nearly perfect scores when they are not being subjected to the experimental manipulation.