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. 2009 Jan;91(1):89–103. doi: 10.1901/jeab.2009.91-89

Table 1.

Sequence of conditions for Experiment 1.

Phase Probability of reinforcer availability at 30 s into RI terminal link (p)  =  Pr[minRI] Probability of reinforcer availability every 1 s after 30 s into RI terminal link (q)
1 .50 .0167 (1/60)
2 .03 .03 (1/30)
3 .50 .0167 (1/60)
4 .25 .025 (1/40)
5 .75 .0083 (1/120)