Related Experiment Video
Updated: Jan 21, 2026
03:10
Pilot In Vitro Study to Assess Cleaning Ability and Effects of Different Decontamination Methods on Implant Surfaces
Published on: November 21, 2025
195
Effects of Distraction on Performance Validity: A Pilot Study with Veterans
Robert D Shura1,2,3, Katherine H Taber1,4,5, Patrick Armistead-Jehle6
1VA Mid-Atlantic Mental Illness, Research, Education, and Clinical Center (MA-MIRECC), Salisbury, NC, USA.
Summary
Cognitive distraction significantly impacts performance validity testing, specifically the Medical Symptom Validity Test (MSVT), while physical distraction does not. This finding is crucial for accurate assessments in veterans.
Area of Science:
- Neuroscience
- Psychology
- Military Medicine
Background:
- Performance validity testing (PVT) is essential for identifying non-organic memory impairments.
- Distraction paradigms are increasingly explored to understand cognitive load effects on PVT.
Purpose of the Study:
- To investigate the impact of cognitive and physical distractions on performance validity testing.
- To determine if different types of distraction affect results of the Medical Symptom Validity Test (MSVT).
Main Methods:
- Thirty-three US military veterans (mean age 38.60 years) completed the Test of Memory Malingering (TOMM), Trail Making Test, and MSVT.
- Participants were randomly assigned to complete the MSVT under standard, cognitive distraction (serial 2s), or physical distraction (hand in ice water) conditions.
Main Results:
- All participants passed the TOMM, indicating a valid baseline performance.
- Physical distraction did not significantly alter MSVT performance.
- Cognitive distraction led to a significant negative impact on MSVT performance.
Conclusions:
- Cognitive distraction can substantially impair MSVT performance in a subset of individuals.
- Physical distraction appears to have a negligible effect on MSVT performance.
- These findings highlight the vulnerability of PVT to cognitive load.
Related Concept Videos
01:21Pilot and Numeric Relaying
483
Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
483
01:29Reliability and Validity
13.8K
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.
13.8K
01:03Data Validation
6.3K
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
Nursing assessment guides are generally based on holistic models rather than medical...
6.3K
01:15Data Validation
583
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
Key parameters for method validation include:
583
02:19Buffer Effectiveness
54.9K
Buffer solutions do not have an unlimited capacity to keep the pH relatively constant . Instead, the ability of a buffer solution to resist changes in pH relies on the presence of appreciable amounts of its conjugate weak acid-base pair. When enough strong acid or base is added to substantially lower the concentration of either member of the buffer pair, the buffering action within the solution is compromised.
The buffer capacity is the amount of acid or base that can be added to a given volume...
The buffer capacity is the amount of acid or base that can be added to a given volume...
54.9K
03:26Framing Effects
7.9K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.9K