Multiple Choice
The question of how much improvement in a treatment group is enough
A) cannot be settled empirically.
B) should be determined after examining the results.
C) is based on internal validity considerations.
D) is an irrelevant issue.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: A posttest-only evaluation design is often useful
Q2: The use of small samples can lead
Q3: Another name for the threat to internal
Q4: When initially extreme scores are followed by
Q5: Develop two hypothetical situations in which threats
Q7: The threat to internal validity called "history"
Q8: The threat to internal validity called "testing"<br>A)
Q9: The threat to internal validity called "instrumentation"
Q10: Explain which threats to internal validity need
Q11: Repeatedly dividing the sample on the basis