One CANNOT reduce problems of ceiling and floor effects by a. ...

[Arii_bell]

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.

Question 2

In a correlational study, commonly, ____.
 
  a. one variable is measured
 b. two variables are measured
 c. one individual is described in great detail
  d. one individual is treated

[itsakadoozi]

Answer to Question 1

D

Answer to Question 2

b

[Arii_bell]

TYSM

[okolip]

Gracias!