One reason why proactive interference affects memory performance is that interfering movements similar to the criterion-to-be-recalled movement create confusion so that the distinctiveness of the criterion movement is reduced.

true

Explanation:

Based on the information provided within the question it can be said that the statement being mentioned is completely true. This is because the term Proactive Interference refers to the interference effect that memories or materials that have already been learned have on the individuals ability to retrieve newer information, causing them to become confused.

answer; community based corrections;