Testing threats involve , whereas instrumentation threats involve .
A)researchers; participants
B)participants; measurements
C)independent variables; dependent variables
D)within-groups; between groups

Question

Quizplus · Accepted Answer

Testing threats refer to the potential impact of prior testing on subsequent measures, which involves the behavior of participants. Instrumentation threats refer to changes in measurement that may not be related to the construct being measured, which involves the tools or methods used to collect data, i.e. measurements. Therefore, the best choice is B with participants and measurements.

Testing Threats Involve , Whereas Instrumentation Threats Involve