Background: There is a growing interest in evaluating the contents of scientific Psychology journals and therefore, to mark the twenty-fifth anniversary of Psicothema, we aim to provide an insight into its historical evolution. The objective of this study was to carry out a bibliometric analysis of the articles published from 1989 to 2012, in order to provide information regarding different parameters related to production and quality.
Method: The data analysed were the evolution of the articles throughout the analysed period, languages of publication, index of authorship, countries according to author affiliation, subject matter, the ten most cited articles, Top Ten journals in which Psicothema is most cited, and the evolution of the Impact Factor, amongst others.
Results: A total of 2,163 articles were analysed, of which the majority (96.16%) are original articles, published in Spanish (80.07%) and with predominantly two authors (28.34%). The journal has published work by authors from 32 different countries according to their affiliation.
Conclusions: The results support the multidisciplinary character of the journal and a positive and constant evolution towards the advance in Psychology.