In an experiment, the experimenter presented a pretest that ...

[leilurhhh]

In an experiment, the experimenter presented a pretest that consisted of two scenarios that the participants had to respond to. If the posttest was presented ten minutes later and the same two scenarios were presented, the participants might remember their responses to the pretest and simply indicate the same responses on the posttest. If this occurred, a _____ effect would be present in the experiment.
 
  a. maturation c. treatment
  b. testing d. history

Question 2

In a pretest posttest experiment, the participants take the pretest while the experimenter is out of sight. When the treatment is presented, the experimenter is present, though this is not part of the treatment. This creates a confound called a _____ effect.
 
  a. testing c. history
  b. maturation d. treatment

[carlsona147]

Answer to Question 1

B
Testing effects occur when taking the pretest influences performance on the posttest.

Answer to Question 2

C
History is anything that occurs between the pretest and posttest that is not part of the treatment.