Anchor test
Also called: anchor test
When conducting market research and customer surveys, an "anchor test" is often conducted to help make sense of the results and determine the quality and reliability of the tests.
The same subject is tested in different ways, then the results are compared. Analyzing and eliminating variation can provide additional insight and ensure that the results are consistent with the research objective.
The term comes from psychometrics, the field that deals with determining the knowledge, skills, attitudes, and personality traits of groups and individuals.