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Values of schedules and limited holds (LHs), and the mean response rates and interreinforcer intervals (ranges in parentheses) for each participant during the last four sessions of the multiple FR DRL training and FI baseline phases, the first and last four sessions of the multiple FI FI testing phase, and the single session of the multiple FR DRL testing phase of Experiment 1. FI, DRL and LH values are given in seconds.
