Interaction patterns in disadvantaged families.
D001290:Attitude; D002675:Child, Preschool; D003467:Cultural Deprivation; D005260:Female; D006791:Hostility; D006801:Humans; D008149:Love; D009034:Mother-Child Relations; D012923:Social Class; D014481:United States; D014490:United States Office of Economic Opportunity; D014705:Verbal Behavior