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The confidence coefficient is also known as the confidence level or degree of confidence. It is the percent expression for the probability, 1-α, that the confidence interval contains the true population parameter assuming that the confidence interval is obtained after sufficient unbiased sampling; for example, if the CL = 90%, then in 90 out of 100 samples the interval estimate will enclose the true population parameter. Here α is the area under the curve, distributed equally under...
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Hypercorrection of high-confidence errors in the classroom.

Shana K Carpenter1, Cynthia L Haynes2, Daniel Corral1

  • 1a Department of Psychology , Iowa State University , Ames , IA , USA.

Memory (Hove, England)
|May 22, 2018
PubMed
Summary
This summary is machine-generated.

High confidence errors are more effectively corrected with feedback, a phenomenon known as the hypercorrection effect. This study found this effect in a real classroom setting, showing prior knowledge influences confidence and error correction.

Keywords:
Hypercorrectionerror correctionlearningmemorymetacognition

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Area of Science:

  • Educational Psychology
  • Cognitive Science
  • Learning Sciences

Background:

  • Learners often retain incorrect information with high confidence.
  • The hypercorrection effect suggests high-confidence errors are more easily corrected by feedback.
  • Previous research primarily used laboratory settings and general knowledge questions.

Purpose of the Study:

  • To investigate the hypercorrection effect in an authentic classroom environment.
  • To examine how prior knowledge influences confidence and error correction in an academic context.
  • To determine if the hypercorrection effect extends to domain-specific learning.

Main Methods:

  • College students in an introductory horticulture course participated.
  • Students answered course-related questions and rated their confidence.
  • Feedback on correct answers was provided, followed by a later posttest.

Main Results:

  • A significant hypercorrection effect was observed in the classroom setting.
  • Students with higher prior knowledge showed greater confidence in their answers.
  • Higher prior knowledge correlated with more effective correction of errors.

Conclusions:

  • The hypercorrection effect is applicable to authentic academic learning environments.
  • Prior knowledge plays a crucial role in confidence judgments and subsequent error correction.
  • Educational interventions could leverage confidence-based feedback for improved learning outcomes.