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Related Concept Videos

Effects of feedback01:24

Effects of feedback

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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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Feedback control systems01:26

Feedback control systems

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Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
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Open and closed-loop control systems01:17

Open and closed-loop control systems

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Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
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Control Systems01:10

Control Systems

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Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
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Techniques of Therapeutic Communication II: Focusing, Paraphrasing, and Summarizing01:23

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Role of Shaping in Operant Conditioning01:19

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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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Movement Retraining using Real-time Feedback of Performance
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A Targeted Feedback Framework to Move the Needle on Operative Feedback.

Christine Wu1, Douglas S Smink1, Gurjit Sandhu2

  • 1Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts.

Journal of Surgical Education
|January 18, 2025
PubMed
Summary
This summary is machine-generated.

A new feedback framework improved surgical resident education by increasing the quantity and quality of perioperative feedback. Despite improvements, a gap persists between faculty and resident perceptions of feedback effectiveness.

Keywords:
feedback frameworklearning environmentoperative feedbacksurgical education

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Area of Science:

  • Medical Education
  • Surgical Training
  • Feedback Mechanisms

Background:

  • Providing actionable feedback is a persistent challenge in medical education.
  • Efforts to improve feedback processes have yielded limited success.
  • A validated feedback model was adapted and tailored for a general surgery residency program.

Purpose of the Study:

  • To evaluate the impact of a new feedback framework on the quantity and quality of perioperative feedback.
  • To assess changes in faculty and resident perceptions of feedback.

Main Methods:

  • A nonrandomized interventional study was conducted over 6 months in a general surgery residency program.
  • The 'Brainstorm', 'Focus', and 'Recap' (BFR) framework was implemented with faculty and residents.
  • Pre and postintervention surveys were used to collect data on feedback perceptions.

Main Results:

  • Faculty reported giving more frequent and higher quality feedback post-intervention.
  • Both faculty and residents reported increased satisfaction with technical feedback (p<0.05).
  • Improved overall feedback breadth was reported by both faculty and residents (p<0.05).

Conclusions:

  • A tailored feedback framework improved faculty and resident practices and perceptions of perioperative feedback.
  • The structured, shared mental model approach promoted goal-oriented feedback.
  • A persistent disparity in feedback perception between faculty and residents necessitates further investigation.