1 Early constraints on the imagination: The realism of young children Paul L. Harris Harvard University In press: Child Development Acknowledgements: I thank Stephanie Carlson, Greg Currie, Susan Engel, Patricia Ganea, Ageliki Nicolopoulou, Andrew Shtulman and Marjorie Taylor for helpful comments on earlier versions of this paper Send correspondence to: Paul L. Harris, 503A Larsen Hall, Appian Way, Cambridge, MA, 02138; email: paul_harris@gse.harvard.edu