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Journal ArticleDOI

Sample size and optimal designs for reliability studies

TLDR
A functional approximation to earlier exact results is shown to have excellent agreement with the exact results and one can use it easily without intensive numerical computation.
Abstract
A method is developed to calculate the required number of subjects k in a reliability study, where reliability is measured using the intraclass correlation rho. The method is based on a functional approximation to earlier exact results. The approximation is shown to have excellent agreement with the exact results and one can use it easily without intensive numerical computation. Optimal design configurations are also discussed; for reliability values of about 40 per cent or higher, use of two or three observations per subject will minimize the total number of observations required.

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Journal ArticleDOI

Influence of magnification and superimposition of structures on cephalometric diagnosis

TL;DR: Superimposition of structures seemed to influence the results more than magnification, and neither one of them significantly influenced the measurements.
Journal ArticleDOI

Impact of Course Configuration on 6-Minute Walk Test Performance of People with Lower Extremity Amputations.

TL;DR: The two 6MWT configurations had excellent relative and absolute test-retest reliability, but the results from each configuration do not agree sufficiently to make them interchangeable or directly comparable.
Journal Article

Reliability and validity study of a Thai version of the Neck Disability Index in patients with neck pain.

TL;DR: The Thai version of NDI is a valid and reliable measurement method for evaluating neck pain disability and the mental health component was highest correlated with NDI.
Dissertation

Evaluation of Interviewer Characteristics and Analysis on Interviewer Effect in TDHS-2013

Melike Saraç
TL;DR: In this paper, the authors discuss the 2013 TNSA Saha Personeli Veri Seti (PHV Seti) issue and propose a method to solve the problem of personel veri seti.
Journal ArticleDOI

Test-Retest Reliability of the Short-Form Survivor Unmet Needs Survey.

TL;DR: The results indicate the new 30-item short-form version of the Survivor Unmet Needs Survey is responsive to the changing needs of lymphoma cancer survivors and mixed test–retest reliability of the SF-SUNS was established.
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What is the optimal sample size for DA?

The optimal sample size for DA is not mentioned in the provided information.