Test Your Knowledge of Improving Validity and Reliability!

1. How might you improve internal validity?

a. Verify that the survey remains the same between the pretest and posttest
b. Confirm that respondents participating in the study don’t drop out
c. If including a comparison group, select respondents from a population with the same/similar characteristics as the program participants
d. All of the above

 

Correct!

 

 

Incorrect

 



2. How might you improve external validity?

a. Replicate your study in a variety of places with a variety of people
b. Conduct your evaluation in normal conditions
c. Select participants at random to be included in the study
d. All of the above

 

Correct!

 

 

Incorrect

 



3. What might be some ways to assure reliability?

a. Include multiple measures of the same concept in your survey
b. Use multiple raters in subjective surveys (such as observations)
c. Testing and retesting participants on the same survey
d. All of the above

 

Correct!

 

 

Incorrect