Multiple Choice
Which is the least-effective means of controlling data collector bias?
A) Extensive training of the data collectors
B) Using norm-referenced instruments
C) Preventing data collectors from knowing the purpose or hypothesis of the study
D) Using a large sample
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
Q31: Loss of subjects is a serious threat
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