Claims

Anchoring-and-adjustment explains the underconfidence-with-practice effect, with JOLs anchored between 30 and 50% correct recall

Claim · All claims
Evidence · 1 study · theoretical r3 · q2
Currency · newest study 2012 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? Scheck and Nelson (2005) hypothesized JOLs form a psychological anchor between 30 and 50% of correct recall, explaining why overconfidence with practice shifts to underconfidence. → Bol L and Hacker DJ 2012

Evidence

Bol L and Hacker DJ 2012

Bol L and Hacker DJ (2012) Calibration research: where do we go from here? Front. Psychology 3:229. https://doi.org/10.3389/fpsyg.2012.00229

q2 · i? · theoretical · r3

Narrative review attributing to Scheck and Nelson (2005) the hypothesis that "people form a psychological anchor for their JOLs somewhere between 30 and 50% of correct recall," used to explain the underconfidence-with-practice effect. No effect sizes are printed.

"Scheck and Nelson (2005) hypothesized that people form a psychological anchor for their JOLs somewhere between 30 and 50% of correct recall and adjust their JOLs either upwards or downwards based on whether performance is above or below this band."

Discussion

Page metadata
Field Value
type claim
id anchoring-explains-underconfidence-with-practice
title Anchoring-and-adjustment explains the underconfidence-with-practice effect, with JOLs anchored between 30 and 50% correct recall
description Anchoring-and-adjustment explains the underconfidence-with-practice effect, with JOLs anchored between 30 and 50% correct recall
status review
evidence_strength weak
newest_evidence 2012
generated by process:wiki-ingest on 2026-10-16
trust unverified — no one has confirmed this page's content
sources 1 — bol-l-and-hacker-dj-2012

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