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.

You might also read

Related Articles

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

Sort by

Same author

The Construct Validity of the Life-Space Assessment in the Canadian Longitudinal Study on Aging (CLSA).

Journal of aging research·2026

Same author

Mapping women's health and well-being in Canada: A scoping review of findings from the Canadian longitudinal study on aging (CLSA).

Maturitas·2026

Same author

Patterns of social determinants of health and their associations with health indicators: a latent class analysis.

Journal of clinical epidemiology·2026

Same author

What factors influence ratings of Global Perceived Effect by individuals with low back pain and physiotherapists?

The journal of pain·2026

Same author

Determining the Impact of a Physiotherapist-Led Primary Care Model for Hip and Knee Pain: Protocol and Analysis Plan for a Cluster Randomized Controlled Trial With Process Evaluation.

JMIR research protocols·2026

Same author

Musculoskeletal Pain Among Community-Dwelling Older Adults During the COVID-19 Pandemic: A Longitudinal Telesurvey.

Physiotherapy Canada. Physiotherapie Canada·2026

Search research articles

Related Experiment Video

Updated: Jun 24, 2025

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Published on: November 7, 2014

Acceptability, Reliability, and Validity of Virtually Administered Gait Speed Tests.

Ava Mehdipour¹, Stephanie Saunders¹, Julie Reid¹

¹School of Rehabilitation Science, McMaster University, Hamilton, Ontario, Canada.

Journal of the American Medical Directors Association

|June 3, 2024

Summary

Virtual 3-meter gait speed tests are acceptable, reliable, and valid for older adults. These telehealth assessments accurately measure mobility and predict health outcomes, offering a trustworthy tool for clinicians.

Keywords:

Gait speed measurement properties mobility tests older adults virtual assessment

More Related Videos

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Published on: March 4, 2018

Home-Based Monitor for Gait and Activity Analysis

Home-Based Monitor for Gait and Activity Analysis

Published on: August 8, 2019

Related Experiment Videos

Last Updated: Jun 24, 2025

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Published on: November 7, 2014

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Published on: March 4, 2018

Home-Based Monitor for Gait and Activity Analysis

Home-Based Monitor for Gait and Activity Analysis

Published on: August 8, 2019

Area of Science:

Gerontology
Rehabilitation Medicine
Telehealth

Background:

Assessing mobility in community-dwelling older adults is crucial for health management.
Traditional gait speed tests require in-person administration, posing challenges in telehealth contexts.
Virtual assessments offer a potential solution for remote and accessible mobility evaluation.

Purpose of the Study:

To evaluate the acceptability, reliability, and validity of virtually administered 3-meter gait speed tests.
To determine if virtual gait speed tests can predict future health outcomes in older adults.

Main Methods:

A prospective cohort study involving community-dwelling older adults assessed via Zoom.
3-meter gait speed tests (usual and fast pace) administered twice for reliability.
Questionnaires assessed telehealth usability; self-report mobility measures and 1-year health outcomes evaluated validity.

Main Results:

High acceptability reported by participants.
Reliability (intraclass correlation coefficients) ranged from 0.79 to 0.90.
Virtual gait speed correlated with self-report mobility and predicted healthcare utilization (doctor visits, rehabilitation).

Conclusions:

Virtually administered 3-meter gait speed tests are acceptable, reliable, and valid for older adults.
These telehealth-based mobility assessments provide trustworthy data for clinical and research use.
Further validation in diverse populations is recommended for broader generalizability.