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

Typical error versus limits of agreement.

G Atkinson, A Nevill

    Sports Medicine (Auckland, N.Z.)
    |December 5, 2000
    PubMed
    Summary
    This summary is machine-generated.

    The Standard Error of Measurement (SEM) and Limits of Agreement (LOA) are similar but differ in error type and coverage. Understanding measurement error statistics is crucial for accurate interpretation in research.

    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 long haul travel on the sleep of elite athletes.

    Neurobiology of sleep and circadian rhythms·2023
    Same author

    Glucagon-like peptide-1 secretion in people with versus without type 2 diabetes: a systematic review and meta-analysis of cross-sectional studies.

    Metabolism: clinical and experimental·2022
    Same author

    Test-retest reliability of the two-point discrimination test on the sole of the foot in people with multiple sclerosis.

    Physiological measurement·2020
    Same author

    Ehlers-Danlos syndrome.

    British dental journal·2020
    Same author

    Sedation during the pandemic.

    British dental journal·2020
    Same author

    Ethical Standards in Sport and Exercise Science Research: 2020 Update.

    International journal of sports medicine·2019

    Area of Science:

    • Measurement in health sciences
    • Statistical analysis in research

    Background:

    • The Standard Error of Measurement (SEM) and Limits of Agreement (LOA) are statistical measures used to quantify measurement error.
    • While often similar, SEM and LOA differ in the types of error they describe (true score vs. test-retest) and their coverage probabilities (0.6 vs. 0.95).

    Discussion:

    • The calculation of SEM and LOA is independent of sample size, but sample size impacts the precision of population parameter estimates.
    • Researchers like Bland and Altman advocate for using SEM or LOA to discuss the impact of measurement error in practical applications.
    • A deep understanding of the underlying theory, error definitions, and coverage probabilities of chosen statistics is vital for correct interpretation.

    Key Insights:

    • SEM and LOA are comparable when defined at the same abstraction level, yet distinct in error type and coverage.

    Related Experiment Videos

  • Sample size affects the precision of SEM and LOA estimates for population parameters, with the t-statistic relevant only for precision estimation.
  • Effective use of measurement error statistics necessitates clear definitions and researcher comprehension of their theoretical underpinnings.

    • Outlook:

    • Promoting a single, well-understood measurement error statistic could establish a baseline for comparison.
    • Continued emphasis on defining and understanding measurement error statistics is essential for robust scientific interpretation.
    • Future research should focus on enhancing the clarity and accessibility of the theoretical basis for common measurement error statistics.