Multiple Choice
Loss of subjects is a serious threat to internal validity in an experimental study if:
A) the sample was too small to begin with
B) the loss is the same for all groups
C) more are lost from one group
D) losses are due to dislike of the researcher
Correct Answer:
Verified
Correct Answer:
Verified
Q26: In which of the following is a
Q27: In an experimental study, a subject characteristics
Q28: Matching<br>-Subject characteristics threats<br>A) Age, gender, and class<br>B)
Q29: Matching<br>-Instrumentation threat<br>A) Age, gender, and class<br>B) Unreturned
Q30: Referring to the study in item 2
Q32: Which is the least-effective means of controlling
Q33: With which of the following findings would
Q34: Instrument decay refers to the possibility that:<br>A)
Q35: Loss of subjects in a study can
Q36: Data collector characteristics may be a threat