Simultaneous and sequential choice as a function of reward delay and magnitude: normative, descriptive and process-based models tested in the European starling (Sturnus vulgaris). by Shapiro, MS, Siller, S, Kacelnik, A

Risk sensitivity for amounts of and delay to rewards: adaptation for uncertainty or by-product of reward rate maximising? by Shapiro, MS, Schuck-Paim, C, Kacelnik, A

Risk sensitivity for amounts of and delay to rewards: Adaptation for uncertainty or by-product of reward rate maximising? by Shapiro, MS, Schuck-Paim, C, Kacelnik, A