30 years of "International Journal of Behavioral Development": Thematic orientation, internationality and impact of publications since its inception - A bibliometric study

Inspired by the 1990 analysis by Schoepflin and Müller-Brettel, the scientific Output of the International Journal of Behavioral Development is bibliometrically traced for the past 30 years. Bibliometric data was collected using the PsyclNFO and Social Science Citation Index (SSCI) databases. The fields APA-thesarus descriptors, classification code, age group (all PsyclNFO), country, and number of citations (all SSCI) were used. Information on author affiliations was obtained online from the original articles. For 1978-2007, PsyclNFO lists 1185 articles and SSCI lists 1174 articles for the IJBD, due to differing document type classifications.