Answers are grounded in this paper and cite their sources.
Claire B. Kopp, Brian E. Vaughn, Sustained Attention during Exploratory Manipulation as a Predictor of Cognitive Competence in Preterm Infants, Child Development, Vol. 53, No. 1 (Feb., 1982), pp. 174-182
No takes yet. Share an insight, caveat, or question.
Kopp et al. (1982) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: