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Related Concept Videos

Reliability and Validity01:29

Reliability and Validity

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.
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Regression Toward the Mean01:52

Regression Toward the Mean

Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when researchers try to extrapolate results...

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Related Experiment Video

Updated: Jun 15, 2026

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
10:58

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)

Published on: August 28, 2021

Reliability, practice effects, and change indices for Rao's Brief Repeatable Battery.

Emilio Portaccio1, Benedetta Goretti, Valentina Zipoli

  • 1Department of Neurology, University of Florence, Florence, Italy. portilio@tin.it

Multiple Sclerosis (Houndmills, Basingstoke, England)
|March 9, 2010
PubMed
Summary
This summary is machine-generated.

Cognitive testing in multiple sclerosis shows adequate to good reliability. Most tests reveal moderate practice effects, offering data to adjust for cognitive changes in longitudinal studies.

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Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers
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Last Updated: Jun 15, 2026

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
10:58

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)

Published on: August 28, 2021

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Published on: March 14, 2018

Area of Science:

  • Neuropsychology
  • Neurology
  • Cognitive Science

Background:

  • Cognitive impairment is a significant issue in multiple sclerosis (MS).
  • Limited research exists on the reliability and practice effects of neuropsychological tests used in serial assessments for MS.
  • Accurate interpretation of cognitive changes in MS requires understanding test variability over time.

Observation:

  • This study evaluated the reliability and practice effects of Rao's Brief Repeatable Battery and the Stroop Test in 54 healthy controls over 18 months.
  • Neuropsychological tests were administered three times to assess test-retest reliability and practice effects.
  • Intraclass correlation coefficients and ANOVA with Bonferroni correction were used for statistical analysis.

Findings:

  • Adequate to good test-retest reliability was observed for the Symbol Digit Modalities Test, Stroop Test, and Paced Auditory Serial Addition Test.
  • A majority of the Brief Repeatable Battery tests demonstrated moderate practice effects.
  • The study provides essential data for calculating individual cognitive performance changes, crucial for serial assessments.

Implications:

  • The findings are vital for designing and interpreting longitudinal cognitive studies in multiple sclerosis.
  • This research aids in the accurate assessment of cognitive decline or improvement in MS patients.
  • The data supports the development of more precise cognitive rehabilitation strategies for individuals with MS.