Multiple Choice
The threat to internal validity called "instrumentation" refers to
A) failures in the electronic equipment sometimes used to collect data.
B) problems that are beyond the evaluator's control.
C) changes in the meaning of the scores of the measures used.
D) that which cannot be a threat to pretest/posttest designs.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: When initially extreme scores are followed by
Q5: Develop two hypothetical situations in which threats
Q6: The question of how much improvement in
Q7: The threat to internal validity called "history"
Q8: The threat to internal validity called "testing"<br>A)
Q10: Explain which threats to internal validity need
Q11: Repeatedly dividing the sample on the basis
Q12: Pretest-posttest designs permit the evaluator to learn
Q13: The fact that people who choose to,
Q14: Internal validity refers to whether<br>A) a statistically