What, When, and How about Why: A Longitudinal Study of Early Expressions of Causality

Abstract

Lois Hood, Lois Bloom, Charles J. Brainerd, What, When, and How about Why: A Longitudinal Study of Early Expressions of Causality, Monographs of the Society for Research in Child Development, Vol. 44, No. 6, What, When, and How about Why: A Longitudinal Study of Early Expressions of Causality (1979), pp. 1-47