Multiple Choice
What is the name of the threat that warns researchers to be careful in generalizing the results to a population when an experiment is conducted on a nonrandom sample?
A) reactive effect of experimental setting
B) reactive effect of testing
C) Multiple-treatment interference
D) selection bias
Correct Answer:
Verified
Correct Answer:
Verified
Q4: What is the "John Henry" effect?<br>A) improvement
Q5: What is the placebo effect?<br>A) improvement based
Q6: Suppose an experimental classroom has research observers
Q7: If observers are more tired and less
Q8: What can researchers use to overcome all
Q10: In a diagram for an experimental design,
Q11: What is the name of the threat
Q12: What is the name of the type
Q13: What is a major threat created by
Q14: Suppose an experimental group is being taught