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Related Concept Videos

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Confidence Coefficient

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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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An unbiased point estimate is often insufficient to predict a population estimate, such as population mean or population proportion. In this scenario, a confidence interval is used. A confidence interval is an estimate similar to a  sample proportion. However, unlike the point estimate which is a single value, the confidence interval  contains a range of values. These values have lower and upper limits, known as confidence limits, and can be designated as L1 and L2, respectively.
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Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
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Confidence carryover during interleaved memory and perception judgments.

Justin Kantner1, Lisa A Solinger2, David Grybinas2

  • 1California State University, Northridge, USA. justin.kantner@csun.edu.

Memory & Cognition
|September 20, 2018
PubMed
Summary
This summary is machine-generated.

Confidence in memory judgments isn't independent. This study found that confidence in current recognition memory and perceptual tasks is influenced by previous judgments, revealing both domain-general and domain-specific carryover effects.

Keywords:
ConfidenceRecognition memorySequential dependencies

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychology

Background:

  • Recognition memory tests involve classifying items as old or new, often with confidence ratings.
  • Decision theories predict confidence ratings should be sequentially independent in random test orders.
  • Prior analysis revealed serial correlations in recognition memory confidence (confidence carryover).

Purpose of the Study:

  • To investigate the domain specificity of confidence carryover effects in recognition memory.
  • To examine how confidence judgments in one domain influence subsequent judgments in another.
  • To explore the mechanisms underlying domain-general and domain-specific confidence carryover.

Main Methods:

  • A novel experiment serially interleaved recognition and perceptual classification judgments.
  • Analysis of confidence ratings from these interleaved tasks.
  • Modeling of confidence carryover effects based on response consistency and lag.

Main Results:

  • Reliable domain-general and domain-specific confidence carryover effects were observed.
  • Domain-general carryover at Lag 1 reflected preceding perceptual judgments.
  • Domain-specific carryover at Lag 2 reflected preceding recognition judgments, influenced by response consistency.

Conclusions:

  • Confidence carryover in recognition memory is not solely domain-specific.
  • Domain-general carryover may relate to metacognitive monitoring (e.g., alertness).
  • Domain-specific carryover suggests 'sticky' evidence within domains, influencing current judgments.