Multiple Choice
Instrument decay refers to the possibility that:
A) test content becomes "dated" during the course of a study
B) data collectors are lost during a study
C) records of data are lost during a study
D) the instrument is systematically altered during the course of a study
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
Q32: Which is the least-effective means of controlling
Q33: With which of the following findings would
Q35: Loss of subjects in a study can
Q36: Data collector characteristics may be a threat