Which of the following involves changes in the measuring instrument from the beginning or first period of evaluation to the second,later,or final evaluation?
A)Testing
B)Maturation
C)Instrumentation
D)Analysis

Question

Quizplus · Accepted Answer

Instrumentation refers to changes in the measuring instrument or changes in observers or scorers which may lead to differences in measurements over time.

Which of the Following Involves Changes in the Measuring Instrument