Key points are not available for this paper at this time.
Benjamin R. Karney, Joanne Davila, Catherine L. Cohan, Kieran T. Sullivan, Matthew D. Johnson, Thomas N. Bradbury, An Empirical Investigation of Sampling Strategies in Marital Research, Journal of Marriage and Family, Vol. 57, No. 4 (Nov., 1995), pp. 909-920
Karney et al. (Wed,) studied this question.