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Statistical methodology in general psychiatric journals.

Jouko Miettunen1, Pentti Nieminen, Matti Isohanni

  • 1Department of Psychiatry, University of Oulu, PO Box 5000, FIN-90014, Finland.

Nordic Journal of Psychiatry
|June 25, 2002
PubMed
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This study reviewed statistical methods in psychiatric research journals from 1996. While significance testing remained common, multivariate techniques became more frequent, with journal-specific reporting differences noted.

Area of Science:

  • Psychiatry
  • Research Methodology
  • Statistical Analysis

Background:

  • Systematic reviews are crucial for advancing psychiatric research methods.
  • Understanding current statistical practices is essential for method development.

Purpose of the Study:

  • To analyze the frequency of statistical research designs and methods reported in leading psychiatric journals in 1996.
  • To compare the utilization and reporting of statistical procedures across different journals.

Main Methods:

  • A systematic review of 448 original research articles published in 1996 across four major psychiatric journals (AJP, AGP, BJP, NJP).
  • Evaluation focused on research design, statistical methodology, procedural descriptions, and results presentation.
  • Percentage frequencies of reported statistical procedures were calculated and compared between journals.

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Main Results:

  • The policy of determining statistical significance was the most prevalent research method.
  • A notable increase in the use of computer-dependent multivariate techniques was observed compared to earlier reviews.
  • Significant differences were found in the application and reporting of statistical procedures among the reviewed journals.

Conclusions:

  • Psychiatric researchers can use these findings to improve the clarity and quality of their statistical analyses.
  • Adopting best practices in statistical reporting aligns with the standards of leading psychiatric publications.
  • Awareness of journal-specific reporting trends can enhance the intelligibility and impact of psychiatric research.