Ordering of price ratio regimens per rat and number of included sessions.

X:Y: price in nosepokes for chocolate/vanilla. C: compensated budget conditions. Stricken rat identifiers signify rats that were excluded from the final analyses. Sessions were included when >85% of the budget was spent. Numbers in each second line signify included sessions per block (max = 8); in first column: total included sessions (max = 56) Ordering of price ratio regimens per rat and number of included sessions.