Answers to 20 questions about interrater reliability and interrater agreement

James M. LeBreton, Jenell L. Senter

Research output: Contribution to journalArticlepeer-review

2421 Scopus citations


The use of interrater reliability (IRR) and interrater agreement (IRA) indices has increased dramatically during the past 20 years. This popularity is, at least in part, because of the increased role of multilevel modeling techniques (e.g., hierarchical linear modeling and multilevel structural equation modeling) in organizational research. IRR and IRA indices are often used to justify aggregating lower-level data used in composition models. The purpose of the current article is to expose researchers to the various issues surrounding the use of IRR and IRA indices often used in conjunction with multilevel models. To achieve this goal, the authors adopt a question-and-answer format and provide a tutorial in the appendices illustrating how these indices may be computed using the SPSS software.

Original languageEnglish (US)
Pages (from-to)815-852
Number of pages38
JournalOrganizational Research Methods
Issue number4
StatePublished - Oct 2008

All Science Journal Classification (ASJC) codes

  • Decision Sciences(all)
  • Strategy and Management
  • Management of Technology and Innovation


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