Multiple Choice
An implementer threat to internal validity in a study comparing two methods is best controlled by:
A) allowing teachers to select the method they will use
B) insisting that each teacher use the assigned method
C) making sure that all teachers are equal in ability
D) using many teachers with each method
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Which of the following illustrates an attitudinal
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
Q8: Loss of subjects is a threat to
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