1. Bates , D. M. , Maechler , M. & Dai , B. 2008 . lme4: Linear mixed-effects models using S4 classes [R package Version 0.999375-24] . Retrieved fromhttp://cran.r-project.org/web/packages/lme4/index.html
2. Cue probabilism and inference behavior.
3. “First, we assume a spherical cow ... ”
4. Brandone , A. , Cimpian , A. , Leslie , S. J. & Gelman , S. A. in press . Do lions have manes? For children, generics are about kinds rather than quantities . Child Development .
5. Carlson , G. 1997 . Reference to kinds in English . University of Massachusetts Amherst, MA, USA . Doctoral dissertation