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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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Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
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A confidence interval is a better estimate of the population than a point estimate, as it uses a range of values from a sample instead of a single value.
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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Justifying Responses Affects the Relationship Between Confidence and Accuracy.

Daniel B Wright1, Sarah M Wolff1

  • 1Department of Educational Psychology, Leadership, and Higher Education, University of Nevada at Las Vegas, NV, USA.

Experimental Psychology
|July 2, 2024
PubMed
Summary
This summary is machine-generated.

Students often overestimate their test performance. Requiring students to justify their answers, whether correct or incorrect, reduces this overconfidence, impacting metacognitive judgments in educational assessments.

Keywords:
assessmenteducational psychologymetacognition

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Area of Science:

  • Cognitive Psychology
  • Educational Psychology
  • Metacognition

Background:

  • Student confidence in answers is crucial for educational outcomes.
  • Metacognitive judgments, like confidence, are key to learning.
  • Overconfidence in academic assessments is a common phenomenon.

Purpose of the Study:

  • To investigate the effect of justification on students' metacognitive confidence.
  • To determine if explaining answer accuracy influences self-assessment.
  • To examine how metacognitive judgments are affected during assessments.

Main Methods:

  • Participants answered mathematics questions and estimated their accuracy.
  • A subset of participants justified their answers before confidence ratings.
  • Confidence judgments and actual accuracy were compared between groups.

Main Results:

  • Students exhibited overconfidence in their metacognitive judgments.
  • Justifying answers significantly lowered confidence ratings compared to a control group.
  • The association between confidence and accuracy was altered by the justification instruction.

Conclusions:

  • Encouraging students to reflect on answer accuracy can reduce overconfidence.
  • Metacognitive awareness and confidence calibration are malleable.
  • Educational strategies can be developed to improve student self-assessment during tests.