Intra-rater reliability

About: Intra-rater reliability is a research topic. Over the lifetime, 2073 publications have been published within this topic receiving 140968 citations.

Reliability of Quadriceps Femoris Muscle Strength Assessment Using a Portable Dynamometer and Protocol Tolerance in Patients With Chronic Obstructive Pulmonary Disease

Abstract: OBJECTIVE This study aimed to evaluate the intrarater and interrater reliability of isometric quadriceps strength (IQS) using a portable dynamometer in individuals with chronic obstructive pulmonary disease (COPD) and to verify their tolerance to the protocol. METHODS A cross-sectional reliability study was conducted with 50 individuals with stable COPD (34 men and 16 women; mean age = 70 years [SD = 8]). The main outcome measure was obtained using a portable dynamometer (Microfet 2) to assess IQS. Two masked raters performed 2 assessments in the dominant lower limb on 2 nonconsecutive days. The intraclass correlation coefficient (ICC) was used to verify the intrarater and interrater reliability and was considered excellent when >0.90, with a 5% significance level. RESULTS Rater 1 and 2 intrarater reliability was as follows: ICC = 0.96 (95% CI = 0.94 to 0.98) and ICC = 0.97 (95% CI = 0.95 to 0.98), respectively. The interrater reliability was as follows: ICC = 0.96 (95% CI = 0.93 to 0.98). The minimum detectable difference was 4 to 5 peak isometric strength, in mean, for intrarater and interrater reliability. Not all patients presented relevant changes in physiological responses, dyspnea, and lower limb fatigue. CONCLUSION There was an excellent intrarater and interrater reliability for IQS, and the participants tolerated the protocol. IMPACT This tool can be used to assess quadriceps strength in clinical practice in patients with COPD.

The ProFitMap-neck - a questionnaire for measuring symptoms and functional limitations in neck pain: reliability, validity and cross-cultural adaptation of the Turkish version

Abstract: Background/aim The Profile Fitness Mapping neck questionnaire (ProFitMap-neck) is a reliable and valid assessment instrument for measuring neck-related symptoms and functional limitations in people with neck pain, but a Turkish version of it had not been published. The purpose of this study was to investigate the adaptation, validity, and intrarater reliability of the Turkish version of the ProFitMap-neck. Materials and methods Two hundred and thirty-five individuals with chronic neck pain were enrolled in the study. Intrarater reliability was assessed by intraclass correlation coefficient (ICC) and Cronbach’s alpha was calculated for internal consistency. For concurrent validity, ProFitMap-neck scores were compared with neck disability index (NDI) and visual analoguepain scale (VAS) scores using Pearson’s correlation coefficient analysis. The ProFitMap-neck, NDI, VAS, and short form health survey (SF-36) were administered to all participants. Results For intrarater analysis, ICC ranged between 0.72 and 0.84. The total score was 0.83, indicating excellent reliability. The correlation of the ProFitMap-neck with NDI and VAS was 0.71 and 0.68, respectively, indicating good concurrent validity. Conclusion The ProFitMap-neck is an evaluation instrument with sufficient validity and reliability to be used for evaluating Turkish patients with neck pain. Use of this scale can reveal how, how often, and how much these patients’ pain affects their symptoms and functional activities.

Evaluation of the Reliability of the Results of Measurements in Thermal Power Engineering

Abstract: An approach to solving the problem of evaluating the reliability of the results of measurements in thermal power engineering based on processing retrospective information by regression analysis methods is considered.

The Theory of Measurement Reliability.

Abstract: (1969) The Theory of Measurement Reliability The Journal of General Psychology: Vol 80, No 2, pp 267-278

Reliability and Failure Analysis

Abstract: This chapter contains sections titled: Introduction Failure Times and Acceleration Factors Distribution Functions Reliability Concerns Failure Analysis Characterization Techniques Strengths and Weaknesses Appendix 12.1 Gate Currents References Problems Review Questions