An experimental researcher is attempting to determine if a cognitive intervention technique increases social awareness among violent offenders. To mitigate the potential for pre-test bias a researcher used two different tests to measure social awareness. The researcher later learns that the two tests (one used for the pre-test and the other for the post-test) were developed to measure separate parts of this concept. What type of threat to the internal validity of this experiment's results is this p

Question

Quizplus · Accepted Answer

This is an issue of instrumentation because using two different tests to measure the same concept can lead to inconsistencies and errors in the results. It is important to use the same test at both pre-test and post-test to ensure internal validity.

An Experimental Researcher Is Attempting to Determine If a Cognitive