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The P Value and Statistical Significance: Misunderstandings, Explanations, Challenges, and Alternatives

Indian journal of psychological medicine, 2019-05, Vol.41 (3), p.210-215 [Peer Reviewed Journal]

2019 Indian Psychiatric Society - South Zonal Branch ;COPYRIGHT 2019 Medknow Publications and Media Pvt. Ltd. ;2019. This work is published under https://creativecommons.org/licenses/by-nc-sa/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Copyright: © 2019 Indian Psychiatric Society - South Zonal Branch 2019 ;ISSN: 0253-7176 ;EISSN: 0975-1564 ;DOI: 10.4103/IJPSYM.IJPSYM_193_19 ;PMID: 31142921

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  • Title:
    The P Value and Statistical Significance: Misunderstandings, Explanations, Challenges, and Alternatives
  • Author: Andrade, Chittaranjan
  • Subjects: Compatibility interval ; confidence interval ; Decision theory ; Economic models ; Hypotheses ; P value ; Review ; statistical significance
  • Is Part Of: Indian journal of psychological medicine, 2019-05, Vol.41 (3), p.210-215
  • Description: The calculation of a P value in research and especially the use of a threshold to declare the statistical significance of the P value have both been challenged in recent years. There are at least two important reasons for this challenge: research data contain much more meaning than is summarized in a P value and its statistical significance, and these two concepts are frequently misunderstood and consequently inappropriately interpreted. This article considers why 5% may be set as a reasonable cut-off for statistical significance, explains the correct interpretation of P < 0.05 and other values of P, examines arguments for and against the concept of statistical significance, and suggests other and better ways for analyzing data and for presenting, interpreting, and discussing the results.
  • Publisher: New Delhi, India: SAGE Publications
  • Language: English
  • Identifier: ISSN: 0253-7176
    EISSN: 0975-1564
    DOI: 10.4103/IJPSYM.IJPSYM_193_19
    PMID: 31142921
  • Source: ProQuest One Psychology
    Sage Journals Open Access Journals
    GFMER Free Medical Journals
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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