Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

1.8K
In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
1.8K
Reliability and Validity01:29

Reliability and Validity

14.4K
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.
14.4K
Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

575
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
575
Statistical Methods to Analyze Parametric Data: Student t-Test and Goodness-of-Fit Test01:09

Statistical Methods to Analyze Parametric Data: Student t-Test and Goodness-of-Fit Test

7.1K
In parametric statistics, two fundamental tests stand out for their utility and wide application: the Student's t-test and goodness-of-fit tests. These tests provide researchers with a robust method for drawing insights from data, testing hypotheses, and making informed decisions based on their findings.
The Student's t-test is a statistical test that examines if there is a statistically significant difference between the means of two groups. This test is instrumental when dealing with...
7.1K
Spearman's Rank Correlation Test01:20

Spearman's Rank Correlation Test

1.6K
Spearman's rank correlation test, also known as Spearman's rho, is a nonparametric method for assessing the strength and direction of association between two variables. This test is particularly valuable when the data distribution is unknown or when the assumption of normality does not hold. Named after the English psychologist and statistician Dr. Charles Edward Spearman, it serves as the nonparametric counterpart to Pearson's correlation coefficient.
Spearman's test calculates correlation by...
1.6K
Measures of Intelligence01:29

Measures of Intelligence

8.9K
Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
8.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Focused Ultrasound Neuromodulation for Substance Use Disorder.

Biological psychiatry·2026
Same author

Neurocognitive Function and Quality of Life After Multifraction Radiosurgery for Large Resected and Intact Brain Metastases: Results of a Prospective Clinical Trial.

Advances in radiation oncology·2026
Same author

Morbidity, mortality, and health outcomes following emergency department visits for fentanyl-related overdoses: A retrospective cohort study.

Drug and alcohol dependence reports·2026
Same author

A case report of focused ultrasound neuromodulation of the bilateral nucleus accumbens for methamphetamine use disorder.

Experimental and clinical psychopharmacology·2025
Same author

Impact of Demographic and Deployment Related Factors on Structured Inventory of Malingered Symptomatology Performance in Veterans and Service Members.

Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists·2025
Same author

Echoes of the Battlefield: Five-Year Longitudinal Cognitive Trajectories Show Trend of Recovery for Deployment-Related Mild TBI in the LIMBIC-CENC Cohort.

Archives of physical medicine and rehabilitation·2025

Related Experiment Video

Updated: Mar 30, 2026

The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
11:35

The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool

Published on: June 30, 2014

58.9K

Relative Utility of Performance and Symptom Validity Tests.

Christopher T Copeland1, James J Mahoney2, Cady K Block2

  • 1Department of Psychiatry and Behavioral Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA christopher-copeland@ouhsc.edu.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|November 6, 2015
PubMed
Summary

This study differentiates between performance validity tests (PVTs) and symptom validity tests (SVTs). Passing PVTs, even with failing SVTs, correlates with better cognitive performance and fewer reported symptoms.

Keywords:
AssessmentHead injury, Traumatic brain injuryMalingering/symptom validity testing

More Related Videos

Development of a Virtual Reality Assessment of Everyday Living Skills
10:32

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

19.4K
Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
02:28

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients

Published on: March 1, 2024

1.0K

Related Experiment Videos

Last Updated: Mar 30, 2026

The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
11:35

The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool

Published on: June 30, 2014

58.9K
Development of a Virtual Reality Assessment of Everyday Living Skills
10:32

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

19.4K
Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
02:28

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients

Published on: March 1, 2024

1.0K

Area of Science:

  • Neuropsychology
  • Psychometrics
  • Clinical Psychology

Background:

  • Distinguishing between genuine cognitive impairment and other factors is crucial in neuropsychological evaluations.
  • Performance validity tests (PVTs) and symptom validity tests (SVTs) are used to assess response bias.
  • Limited research exists on individuals failing only one type of validity test.

Purpose of the Study:

  • To examine the differential relationships between performance validity tests (PVTs) and symptom validity tests (SVTs) with cognitive performance and symptom self-report.
  • To investigate the unique clinical utility of PVTs and SVTs in neuropsychological assessments.

Main Methods:

  • A standardized neuropsychological battery including PVTs, SVTs, cognitive tests, and symptom self-report measures was administered.
  • Participants were recruited from four Veterans Affairs medical centers.
  • Analysis compared cognitive performance and symptom reporting across groups based on PVT and SVT outcomes.

Main Results:

  • Participants who passed both PVTs and SVTs showed better cognitive performance and fewer reported symptoms.
  • Participants who passed the PVT but failed the SVT also demonstrated better cognitive performance compared to those failing both.
  • These findings suggest distinct patterns of cognitive performance and symptom reporting based on validity test outcomes.

Conclusions:

  • Performance validity tests (PVTs) and symptom validity tests (SVTs) have differential clinical utility.
  • Results support the use of both PVTs and SVTs to accurately interpret cognitive performance and self-reported symptoms.
  • Understanding the nuances of validity testing is essential for reliable neuropsychological assessment.