Question of the Day
October 8, 2026
The concept of social connection is a frequent topic in psychological studies. For example, in Robin Dunbar's 1992 research, there is a cognitive limit that ______ the number of people with whom one can maintain stable social relationships. As a theory, this concept, known as Dunbar's number, posits a limit of approximately 150 individuals.
Which choice completes the text so that it conforms to the conventions of Standard English?