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 Experiment Videos

Measurement validity in physical therapy research

J Sim1, P Arnell

  • 1School of Health and Social Sciences, Coventry University, United Kingdom.

Physical Therapy
|February 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

The impact of employment stability on all-cause mortality among young workers.

Occupational medicine (Oxford, England)·2025
Same author

The scope of practice for diagnostic radiographers in Singapore: A preliminary survey.

Radiography (London, England : 1995)·2024
Same author

Can radiographer regulatory compliance contribute to patient safety in the emergency department fast-track pathway? A retrospective pilot study.

Radiography (London, England : 1995)·2024
Same author

Regulation of the sonography profession and patient safety: A comparative study between Australia and New Zealand with implications for statutory regulation.

Radiography (London, England : 1995)·2024
Same author

Australian radiographer roles in the emergency department; evidence of regulatory compliance to improve patient safety - A narrative review.

Radiography (London, England : 1995)·2023
Same author

Real-time x-ray abnormality alerts for emergency departments using a radiographer comment model - a multisite pilot study.

Radiography (London, England : 1995)·2023

Measurement validity is crucial in physical therapy research, distinct from reliability. This article clarifies validity types and urges a greater focus on ensuring accurate measurements in studies.

Area of Science:

  • Physical Therapy Research
  • Measurement Science
  • Rehabilitation Studies

Background:

  • Measurement validity is a key component of internal validity in research.
  • Validity is distinct from reliability, addressing systematic error versus random error.
  • Understanding these concepts is vital for accurate physical therapy research.

Purpose of the Study:

  • To define and differentiate measurement validity and reliability in physical therapy.
  • To review the main types of validity: face, criterion-related, content, and construct.
  • To highlight challenges and advocate for increased attention to measurement validity.

Main Methods:

  • Literature review and critical discussion of selected examples.
  • Analysis of validity concepts in both quantitative and qualitative research.

Related Experiment Videos

  • Examination of methodological difficulties in demonstrating validity.

    • Main Results:

    • Validity is often confused with reliability, with claims of validity sometimes only showing reliability.
    • Reliability is frequently prioritized over validity, particularly in areas like gait analysis.
    • Methodological challenges exist in adequately demonstrating measurement validity.

    Conclusions:

    • There is a need to better distinguish validity from reliability in physical therapy research.
    • Validity is often neglected, despite its importance for accurate research findings.
    • A stronger focus on measurement validity is essential for advancing physical therapy research.