The control group was measured using a different measuring tape than the treatment group. This is an example of which potential bias?
A) bias due to testing
B) instrumentation bias
C) bias due to history
D) biased selection

Question

Quizplus · Accepted Answer

This is an example of instrumentation bias, where the measurement tool used for the control group is different from the one used for the treatment group, potentially leading to inaccurate results.

The Control Group Was Measured Using a Different Measuring Tape