Topic
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.
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01 May 1991
TL;DR: A combined statistical/analytical approach to use measurements from one environment to model the system failure behavior in a new environment is proposed and a comparison of the predicted results with the actual data from the new environment shows a close correspondence.
Abstract: In the past, analytical and measurement based models were developed to characterize computer system behavior. An open issue is how these models can be used, if at all, for system design improvement. The issue is addressed here. A combined statistical/analytical approach to use measurements from one environment to model the system failure behavior in a new environment is proposed. A comparison of the predicted results with the actual data from the new environment shows a close correspondence.
TL;DR: The reliability test of the overload relay is an important way to find out weak parts and improve the reliability of products as mentioned in this paper, so reliability test technology is of great significance. But the reliability test method of overload relay was studied on.
Abstract: The reliability test of the overload relay is an important way to find out weak parts and improve the reliability of products. So reliability test technology is of great significance. The reliability test method of overload relay is studied on. By use of reliability tester, the reliability test for the typical productsJRS1D-25 is carried out. According to the test result, the reliability analysis is developed from two aspects of product structure and material characteristics. The failure reasons of the overload relay are found out and the improvement measures are put forward.
01 Jan 2015
TL;DR: In this paper, reliability analysis is included with probability and statistics to provide better understanding of reliability, stress and risk analysis of electrical components, and some conventional methods have been used to frame proper estimation of practical performance analysis of replaceable and repairable electronics components.
Abstract: This paper mainly concentrates on reliability analysis of electrical components. The scope of reliability is not limited to any one ofthe engineering discipline as it is a multi-disciplinary subject. In this paper reliability analysis is included with probability and statistics to provide better understanding of reliability, stress and risk analysis. Also some conventional methods have been used to frame proper estimation of practical performance analysis of replaceable and repairable electronics components. Reliability is the key feature of achieving high performance of any system. This paper is useful to calculate overall performance of a reliable system in both was i.e. quantitatively and qualitatively.
TL;DR: In this article, the authors present empirical results that cast doubt on traditional methods for validating psychological measurement instruments and motivate the second stage of their paper, which contains two stages: the first stage is the analysis of the empirical results and the second one is the evaluation of the results.
Abstract: Maul’s paper contains two stages. First he presents empirical results that cast doubt on traditional methods for validating psychological measurement instruments. These results motivate the second ...
TL;DR: In this paper , the authors evaluated the reliability of home-based remote and self-assessment of transfer quality using the Transfer Assessment Instrument (TAI) among wheelchair users with spinal cord injury (SCI).
Abstract: Cross-sectional study.To evaluate the reliability of home-based remote and self-assessment of transfer quality using the Transfer Assessment Instrument (TAI) among wheelchair users with spinal cord injury (SCI).Participant's home environment.Eighteen wheelchair users with SCI transferred from their wheelchair to a surface of their choice (bed, sofa, or bench) in their homes. During a live video conference, the transfer was recorded and evaluated live using the TAI (rater 1). Participants completed a self-assessment of their transfer using the TAI- questionnaire (TAI-Q). Two additional raters (raters 2 & 3) completed asynchronous assessments by watching recorded videos. Interrater reliability was assessed using Intraclass Coefficient Correlations (ICC) to compare rater 1 with the average of raters 2 & 3 and TAI-Q. Intrarater reliability was assessed by rater 1 completing another TAI by watching the recorded videos after a 4-week delay. Assessments were compared using paired sample t-tests and level of agreement between TAI scores was evaluated using Bland-Altman plots.Moderate to good interrater and good intrarater reliability were found for the total TAI score with ICCs: 0.57-0.90 and 0.90, respectively. Moderate to good intrarater and interrater reliability were found for all TAI subscores (ICC: 0.60-0.94) except for interrater reliability of flight/landing which was poor (ICC: 0.20). Bland-Altman plots indicate no systematic bias related to the measurement of error.The TAI is a reliable outcome measure for assessing the wheelchair and body setup phases of home-based transfers remotely and through self-assessment among individuals with SCI.