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Edgar C. J. Long, Jeffrey J. Angera, Sara Jacobs Carter, Mindy Nakamoto, Michelle Kalso, Understanding the One You Love: A Longitudinal Assessment of an Empathy Training Program for Couples in Romantic Relationships, Family Relations, Vol. 48, No. 3 (Jul., 1999), pp. 235-242
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Long et al. (1999) studied this question.
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