Young, M.E., Wasserman, E.A., & Ellefson, M.R. (in press). A theory of variability discrimination. Psychonomic Bulletin & Review.
Young, M.E. , & Nikonova, O. (in press). Color change as a causal agent: Revisited. American Journal of Psychology.
Castro, L., Young, M.E., & Wasserman, E.A. (in press). Effects of number of items and visual display variability on same-different discrimination behavior. Memory and Cognition.
Beckmann, J.S., & Young, M.E. (2007). The feature positive effect in the face of variability: Novelty as a feature. Journal of Experimental Psychology: Animal Behavior Processes.
Peissig, J.J., Kirkpatrick, K., Young, M.E., Wasserman, E.A., & Biederman, I. (2006). The effects of varying stimulus size on object recognition in pigeons. Journal of Experimental Psychology: Animal Behavior Processes, 32, 419-430.