Multiple Choice
Loss of subjects is a threat to internal validity because:
A) it reduces the size of the sample
B) those "lost" may differ on the dependent variable from the remainder
C) it reduces the power of statistical tests of significance
D) it means that results of the study are less generalizable
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Studies in special education are particularly vulnerable
Q4: The threat of "subject characteristics refers to
Q5: In qualitative research, internal validity:<br>A) is irrelevant<br>B)
Q6: Matching<br>-Location threat<br>A) Age, gender, and class<br>B) Unreturned
Q7: An implementer threat to internal validity in
Q9: Subjects performing well merely because they are
Q10: Which of the following is a question
Q11: When the same questionnaire is scored for
Q12: A history threat to internal validity refers
Q13: Which threat would not apply to a