I'm Not Like the Others: Atypical Research Subjects in JEAB Publications

Comparative psychologists have been criticized for using a limited number of species in drawing general conclusions about broad behavioral processes. There are numerous examples, however, of the inclusion by behavior analysts of atypical subjects in their research. To examine the frequency and diversity in subject species used in the experimental analysis of behavior (EAB), JEAB publications between 1958 and 2023 were reviewed for their use of subjects other than pigeons, rats, humans, and nonhuman primates. Two hundred and twenty-one occurrences of these atypical subjects were found across 204 articles, with 65 distinct species across both vertebrate and invertebrate taxa. The highest spikes in the frequency of atypical subject use occurred in the earliest and latest JEAB issues. The results are discussed in terms of the reasons for using diverse species, trends in use over time, and how EAB might benefit from continued, or even increased, diversification in the species used in its research.