Publications
Scoville, Richard P. and Alice M. Gordon. 1980. Children's understanding of factive presuppositions: An experiment and a review. Journal of Child Language 7 (1) : 381–399.
Hopmann, Marita R. and Michael P. Maratsos. 1978. A developmental study of factivity and negation in complex syntax. Journal of Child Language 5 (2) : 295–309.