“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Psychology10Social Sciences9Medicine8Nursing6Medicine: Other systems of medicine: Mental healing1Social Sciences: Communities. Classes. Races1Social Sciences: Social pathology. Social and public welfare. Criminology1Technology: Environmental technology. Sanitary engineering: Hazardous substances and their disposal1