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Nocturnal emissions: a failure to replicate.

Keith F Widaman1, Jonathan L Helm

  • 1Department of Psychology, University of California, Davis, CA 95616, USA. kfwidaman@ucdavis.edu

The American Journal of Psychology
|March 21, 2012
PubMed
Summary
This summary is machine-generated.

A 1904 study suggested seasonal patterns in nocturnal emissions. Modern statistical analysis of this historical data found no evidence to support this claim of seasonal variation.

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Area of Science:

  • Psychology
  • Statistics

Background:

  • A 1904 study in The American Journal of Psychology presented a time series of nocturnal emissions.
  • The anonymous author claimed a seasonal pattern, with heightened emissions in spring/summer and dampened emissions later.
  • This claim was based on an 8-year time series graph of average monthly emissions.

Purpose of the Study:

  • To reanalyze the 1904 data using contemporary statistical methods.
  • To validate or refute the original author's conclusion regarding seasonal patterns in nocturnal emissions.

Main Methods:

  • Reanalysis of historical time series data on nocturnal emissions.
  • Application of statistical procedures developed in the 21st century.

Main Results:

  • Statistical analyses did not yield support for a seasonal pattern in nocturnal emissions.
  • Contemporary methods failed to validate the original author's hypothesis.

Conclusions:

  • The historical claim of a seasonal pattern in nocturnal emissions is not statistically supported by modern analysis.
  • Further research may be needed to explore potential influences on nocturnal emission patterns.