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An Overview of Interrater Agreement on Likert Scales for Researchers and Practitioners

Overview of attention for article published in Frontiers in Psychology, May 2017
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Title
An Overview of Interrater Agreement on Likert Scales for Researchers and Practitioners
Published in
Frontiers in Psychology, May 2017
DOI 10.3389/fpsyg.2017.00777
Pubmed ID
Authors

Thomas A. O'Neill

Abstract

Applications of interrater agreement (IRA) statistics for Likert scales are plentiful in research and practice. IRA may be implicated in job analysis, performance appraisal, panel interviews, and any other approach to gathering systematic observations. Any rating system involving subject-matter experts can also benefit from IRA as a measure of consensus. Further, IRA is fundamental to aggregation in multilevel research, which is becoming increasingly common in order to address nesting. Although, several technical descriptions of a few specific IRA statistics exist, this paper aims to provide a tractable orientation to common IRA indices to support application. The introductory overview is written with the intent of facilitating contrasts among IRA statistics by critically reviewing equations, interpretations, strengths, and weaknesses. Statistics considered include rwg, [Formula: see text], r'wg, rwg(p), average deviation (AD), awg, standard deviation (Swg), and the coefficient of variation (CVwg). Equations support quick calculation and contrasting of different agreement indices. The article also includes a "quick reference" table and three figures in order to help readers identify how IRA statistics differ and how interpretations of IRA will depend strongly on the statistic employed. A brief consideration of recommended practices involving statistical and practical cutoff standards is presented, and conclusions are offered in light of the current literature.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 157 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 157 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 34 22%
Student > Master 16 10%
Researcher 12 8%
Student > Bachelor 11 7%
Student > Doctoral Student 10 6%
Other 27 17%
Unknown 47 30%
Readers by discipline Count As %
Psychology 21 13%
Social Sciences 17 11%
Business, Management and Accounting 13 8%
Medicine and Dentistry 13 8%
Engineering 9 6%
Other 29 18%
Unknown 55 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 May 2021.
All research outputs
#14,935,459
of 22,971,207 outputs
Outputs from Frontiers in Psychology
#16,218
of 30,130 outputs
Outputs of similar age
#184,768
of 310,140 outputs
Outputs of similar age from Frontiers in Psychology
#417
of 597 outputs
Altmetric has tracked 22,971,207 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 30,130 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 12.5. This one is in the 38th percentile – i.e., 38% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 310,140 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 597 others from the same source and published within six weeks on either side of this one. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.