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Reliability and Validity01:29

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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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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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Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
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Illness Perceptions Predict Cognitive Performance Validity.

George K Henry1, Robert L Heilbronner2, Julie Suhr3

  • 11David Geffen School of Medicine at UCLA,Los Angeles,California.

Journal of the International Neuropsychological Society : JINS
|April 30, 2018
PubMed
Summary
This summary is machine-generated.

Psychological factors like cogniphobia and symptom identity significantly predict cognitive performance validity. These factors are more prevalent in forensic samples, impacting test results.

Keywords:
CogniphobiaHealth beliefsIllness perceptionsPerformance validitySymptom identitySymptom validity

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Area of Science:

  • Neuropsychology
  • Forensic Psychology

Background:

  • Cognitive performance validity testing (PVT) is crucial in clinical and forensic evaluations.
  • Understanding psychological influences on PVT is essential for accurate assessment.

Purpose of the Study:

  • To examine the relationship between psychological variables and cognitive performance validity test (PVT) results.
  • To identify psychological predictors of cognitive validity in mixed clinical and forensic samples.

Main Methods:

  • 183 adults completed comprehensive neuropsychological examinations.
  • Participants were categorized into Credible or Noncredible groups based on PVT performance.
  • Multivariate logistic regression analyzed predictors of cognitive validity.

Main Results:

  • Cogniphobia and Symptom Identity emerged as significant psychological predictors of cognitive validity.
  • Forensic context was a significant contextual predictor.
  • Elevated scores for these factors were more common in the forensic sample.

Conclusions:

  • Illness perceptions, particularly at high levels, significantly predict cognitive performance validity.
  • The forensic environment may increase the likelihood of these psychological factors influencing test validity.
  • Findings highlight the importance of considering psychological constructs in interpreting PVT results.