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
Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play
Pavlov’s Salivary Conditioning Experiment (1 of 2)
Example of pre- and posttest Interpretation in an Experiment
Davis’s U-tube experiment