Longitudinal study of 144 middle-class White families in the USA (Hetherington & Stanley-Hagan,1999) half sample divorced (average child age at divorce 4 years
1 year follow up: divorced children showed higher internalising and externalisingproblems
daughter showed similar adujustment comparing married and non marrying mothers whereas sons showed higher externalsing probllems compared to non divorced sons
mothers who married two years after the follow up kids showed hhigher externalsing problems
mothers who remarried prioer to 2 years before the follow up duaghter showed higher externalsing problmes and internalsing problems whereas sons show no differnce to non divorced familes
Highest externalising problems in step-families■ Highest internalising problems in lone parent families