Author Question: If internal validity in an experiment is low, there is probably something wrong with _____. a. ... (Read 119 times)

Marty · **on:** Jun 19, 2018

If internal validity in an experiment is low, there is probably something wrong with _____.

a. the participants or subjects c. the scoring of the task
b. the design of the experiment d. the scale of measurement used

Question 2

The internal validity of an experiment is _____.

a. is the ability to draw appropriate conclusions because the controls are adequate
b. not making a Type I error because alpha was set very high
c. the ability to generalize the results beyond the experimental situation
d. made stronger by the presence of a confounded variable

nmyers · **Reply #1 on:** Jun 19, 2018

Answer to Question 1

B
Design includes keeping all factors other than the independent and dependent variables constant for all conditions. Internal validity is reduced when the design does not accomplish this.

Answer to Question 2

A
This is the definition of internal validity.