The power of analysis: Statistical perspectives. Part 2

John J. Bartko, Ann E. Pulver, William T. Carpenter

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

A discussion of the importance of statistical power in research is presented accompanied by nomograms for determining sample size and statistical power for the Student's paired and unpaired t tests with a Type I error of 5%. A brief review of statistical inference is presented. Some findings from Part 1 are reviewed.

Original languageEnglish (US)
Pages (from-to)301-309
Number of pages9
JournalPsychiatry research
Volume23
Issue number3
DOIs
StatePublished - Mar 1988
Externally publishedYes

Keywords

  • Statistics
  • inference
  • nomogram
  • power
  • sample size

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

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