Question

a specialty shoe manufacturer developed a new insole for running shoes. a study was produced in which some participants were given the insoles of a competitors product without the participants knowledge. which element of experiment design is known to be a part of this study? (1 point) replication randomization blinding

Explanation:

Blinding occurs when participants do not know which treatment they are receiving. Here, participants are given a competitor's insole without their knowledge, so they are unaware of which type of insole they have, which is blinding.

Answer:

blinding