evidence EV-COG-2026-27F1

Instructional support can reverse from helpful to harmful with expertise

Identifier: EV-COG-2026-27F1
Research Area: cognitive-psychology
Status: draft
Version: 0.1
Confidence: 0.9
Priority: medium
Tags: cognitive-load, expertise-reversal
Updated: 2026-07-22
Source: research/evidence/EV-COG-2026-27F1--expertise-reversal.md

Evidence Record

A randomized experiment supports expertise reversal: guidance and redundancy effects depend on prior knowledge. A fixed handoff template can add extraneous load for experts while undersupporting novices.