Dijkstra, J.K.

cannabis use status cannabi adolescent depressive problems behavior problem depressive study popularity association cannabis-using peers af filiation effect model group peer status temperament gender trail peer nominations journal norm-breaking research nomination cannabis-using school adolescence proportion substance-using peers signi difference substance trails participants participant control filiation variable fi ndings child norm-breaking behaviors development feature psychology attractiveness prosociality university aggression children psychol ability health substance use parent gender differences addiction dimension pleasure depression sport friend relation substance-using class sample norm-breaking behavior level netherland addiction addiction cannabisusing peers factor ficant score nding .04 shynes table peer-status variables classmate number