Simultaneous discriminations: two separate types of control.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004193:Discrimination Learning; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D005556:Form Perception; D006801:Humans; D008297:Male; D008960:Models, Psychological; D012858:Size Perception; D014163:Transfer, Psychology; D014796:Visual Perception