Interpersonal spacing in natural settings.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003431:Cross-Cultural Comparison; D004777:Environment; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D012929:Psychological Distance; D013037:Spatial Behavior; D013781:Texas