Robin Hornik, Nancy Risenhoover, Megan Gunnar, The Effects of Maternal Positive, Neutral, and Negative Affective Communications on Infant Responses to New Toys, Child Development, Vol. 58, No. 4 (Aug., 1987), pp. 937-944
No takes yet. Share an insight, caveat, or question.
Hornik et al. (1987) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: