Key points are not available for this paper at this time.
Marian Radke Yarrow, Carolyn Zahn Waxler, David Barrett, Jean Darby, Robert King, Marilyn Pickett, Judith Smith, Dimensionen und Korrelate prosocialen Verhaltens bei kleinen Kindern, Child Development, Bd. 47, Nr. 1 (März 1976), S. 118-125
Yarrow et al. (Mon,) untersuchten diese Frage.
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