Authors: Foster, TA Hackenberg, TD Vaidya, M

Citation: Ta. Foster et al., Second-order schedules of token reinforcement with pigeons: Effects of fixed- and variable-ratio exchange schedules, J EXP AN BE, 76(2), 2001, pp. 159-178

Authors: Pietras, CJ Hackenberg, TD

Citation: Cj. Pietras et Td. Hackenberg, Risk-sensitive choice in humans as a function of an earnings budget, J EXP AN BE, 76(1), 2001, pp. 1-19

Authors: Vollmer, TR Hackenberg, TD

Citation: Tr. Vollmer et Td. Hackenberg, Reinforcement contingencies and social reinforcement some reciprocal relations between basic and applied research, J APPL BE A, 34(2), 2001, pp. 241-253

Authors: Pietras, CJ Hackenberg, TD

Citation: Cj. Pietras et Td. Hackenberg, Timeout postponement without increased reinforcement frequency, J EXP AN BE, 74(2), 2000, pp. 147-164

Authors: Jacobs, EA Hackenberg, TD

Citation: Ea. Jacobs et Td. Hackenberg, Human performance on negative slope schedules of points exchangeable for money: A failure of molar maximization, J EXP AN BE, 73(3), 2000, pp. 241-260