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Walter R. Schumm, Lois A. Paff-Bergen, Ruth C. Hatch, Felix C. Obiorah, Janette M. Copeland, Lori D. Meens, Margaret A. Bugaighis, Concurrent and Discriminant Validity of the Kansas Marital Satisfaction Scale, Journal of Marriage and Family, Vol. 48, No. 2 (May, 1986), pp. 381-387
Schumm et al. (Thu,) studied this question.
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