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Related Concept Videos

Effects of feedback01:24

Effects of feedback

Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
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Shaping is a technique used in operant conditioning to train complex behaviors by rewarding successive approximations toward the target behavior. This method is necessary because organisms are unlikely to perform complex behaviors spontaneously. Instead, shaping breaks down the desired behavior into small, manageable steps.
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Feedback Loops

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
Types of Errors: Detection and Minimization01:12

Types of Errors: Detection and Minimization

Error is the deviation of the obtained result from the true, expected value or the estimated central value. Errors are expressed in absolute or relative terms.
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Related Experiment Video

Updated: Jun 8, 2026

Movement Retraining using Real-time Feedback of Performance
08:16

Movement Retraining using Real-time Feedback of Performance

Published on: January 17, 2013

Scaffolding feedback to maximize long-term error correction.

Bridgid Finn1, Janet Metcalfe

  • 1Department of Psychology, Washington University, St. Louis, MO 63130, USA. bridgid.finn@wustl.edu

Memory & Cognition
|October 6, 2010
PubMed
Summary
This summary is machine-generated.

Scaffolded feedback, which provides incremental hints for self-generation of correct answers, best improves long-term error correction compared to other feedback methods. This retrieval practice approach enhances memory retention over extended periods.

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Area of Science:

  • Cognitive Psychology
  • Educational Psychology
  • Learning Sciences

Background:

  • Effective feedback is crucial for learning and error correction.
  • Retrieval practice enhances long-term memory retention.
  • Different feedback methods may yield varying effects on learning outcomes.

Purpose of the Study:

  • To compare scaffolded feedback with standard corrective, minimal, and answer-until-correct feedback.
  • To assess the impact of these feedback methods on immediate and long-term error correction.
  • To determine which feedback strategy promotes the most robust memory gains for correct answers.

Main Methods:

  • Scaffolded feedback was developed to leverage retrieval practice through incremental hints.
  • Participants received one of four feedback types: scaffolded, standard corrective, minimal, or answer-until-correct.
  • Error correction and memory for correct answers were tested at immediate, 30-min, and 1-day intervals.

Main Results:

  • Immediate testing showed similar high performance for scaffolded and standard feedback, with moderate results for answer-until-correct and lowest for minimal feedback.
  • Long-term retention tests (30 min and 1 day) revealed superior memory for correct answers with scaffolded feedback.
  • Scaffolded feedback demonstrated the most robust gains in error correction over time.

Conclusions:

  • Scaffolded feedback significantly enhances long-term retention of correct answers compared to other methods.
  • Utilizing retrieval practice principles within feedback design can optimize learning and error correction.
  • This method offers a promising approach for educational interventions aimed at durable knowledge acquisition.