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Obsolescence of literature in the field of psychology


Bibliometric technique of citation analysis was applied to the data of five psychological periodical literature. The distribution of citations frequencies was statistically tested and the obsolescence factors were determined. The relation between the growth and obsolescence has been studied, and it has been observed that “higher the growth of literature, higher the obsolescence as well as higher the half life.”

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Sangam, S.L. Obsolescence of literature in the field of psychology. Scientometrics 44, 33–46 (1999).

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  • Lognormal Distribution
  • Negative Binomial Distribution
  • Psychology Literature
  • Psychological Study
  • Source Paper