Control groups showed stable Holocaust beliefs over six weeks absent propaganda

Evidence

On November 17, 46 of these students serving as a control group reanswered these items at the end of a “test-retest reliability” booklet. Their October mean of 60.4 had shifted just a touch to 60.0 over the six weeks. So again we have a stable attitude, unaffected by events over the pre-post test interval. — Bob Altemeyer, The Authoritarian Specter, 3295

Categorization

• XREF: Establishes the baseline stability against which propaganda effects are measured, relevant to vault claims about attitude fluidity vs. rigidity.