Information Author(s): R. Norton Original Language: English Target population: Couple and families Respondent: Self Couple and Families Measures / Outcomes: Co-parenting; couple relationships Reference: Norton, R., 1983. Measuring marital quality: A critical look at the dependent variable. Journal of Marriage and the Family, pp.141-151. Programmes that use this instrument: Group Lifestyle Triple P/Triplo P Lifestyle em Grupo