________ interventions include increasing contact between people with schizophrenia and supportive others, often through self-help support groups.

A) Cognitive-behavioral
B) Social
C) Cognitive
D) Behavioral

The intervention described in the question is a social intervention, as it involves increasing contact with supportive others through self-help groups. The other three choices (cognitive-behavioral, cognitive, and behavioral) do not specifically involve increasing social contact or support.