Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Reliability and Validity

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.

Data Validation

Data Validation

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:

Data Validation

Data Validation

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...

Guidelines For Measuring Vital Signs

Guidelines For Measuring Vital Signs

Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.

Bioavailability Study Design: Healthy Subjects Versus Patients

Bioavailability Study Design: Healthy Subjects Versus Patients

Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...

Testing a Claim about Standard Deviation

Testing a Claim about Standard Deviation

A complete procedure to test a claim about population standard deviation or population variance is explained here.
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...

You might also read

Related Articles

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

Sort by

Same author

Association between days for concussion recovery and initial specialty clinic evaluation within 48 hours.

BMC sports science, medicine & rehabilitation·2024

Same author

Concussion-Related Disruptions to Hub Connectivity in the Default Mode Network Are Related to Symptoms and Cognition.

Journal of neurotrauma·2023

Same author

Psychometric Properties of Computerized Cognitive Tools and Standard Neuropsychological Tests Used to Assess Sport Concussion: A Systematic Review.

Neuropsychology review·2022

Same author

Sleep and stress in the acute phase of concussion in youth.

Sports medicine and health science·2022

Same author

Head Impact Exposure in Youth and Collegiate American Football.

Annals of biomedical engineering·2022

Same author

Evaluation of the vestibular and ocular motor screening (VOMS) as a prognostic tool for protracted recovery following paediatric sports-related concussion.

BMJ open sport & exercise medicine·2021

Search research articles

Related Experiment Video

Updated: Feb 22, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Validity and Reliability of Baseline Testing in a Standardized Environment.

Kathryn L Higgins¹, Todd Caze¹, Arthur Maerlender¹

¹Center for Brain, Biology & Behavior, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists

|September 30, 2017

Summary

Many athletes may not achieve optimal cognitive function during baseline ImPACT testing. Standardized testing environments did not significantly impact performance validity or reliability in this study.

More Related Videos

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development

Published on: February 11, 2019

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Related Experiment Videos

Last Updated: Feb 22, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development

Published on: February 11, 2019

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Area of Science:

Neuroscience
Sports Medicine
Psychology

Background:

The Immediate Postconcussion Assessment and Cognitive Testing (ImPACT) is widely used for concussion recovery assessment.
Its validity relies on baseline scores accurately reflecting optimal cognitive function.
Concerns exist regarding the impact of testing environment and protocol on baseline ImPACT scores.

Purpose of the Study:

To investigate the effect of standardized environments and administration protocols on the reliability and validity of baseline ImPACT scores.
To compare ImPACT scores obtained in two different group-testing settings.

Main Methods:

Assessed baseline data from 361 Division 1 collegiate athletes.
Utilized indicators of potential performance invalidity and internal reliability.
Compared scores from different group-testing settings.

Main Results:

31-39% of baseline cases showed indicators of low performance validity.
No significant differences in validity indicators were found based on the testing environment.
Internal consistency reliability was acceptable to good, with no significant differences between conditions.

Conclusions:

Athletes may consistently perform below their maximum cognitive capacity during baseline testing.
The testing environment did not significantly influence performance validity or reliability in this cohort.