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Molar Effects Of Increasing Amounts And Immediacy To External Food Sources In 4-Hr Sessions, Abdulrazaq A. Imam, Steven R. Hursh

Abdulrazaq A. Imam

Rats worked under a fixed-ratio 45 schedule of reinforcementduring 4-hr long sessions either in sixteen 1S-min work periods (2rats in Experiments 1 and 3) or in a single work period (3 rats inExperiments 2 and 4) while receiving varying amounts of externalfood. In Experiments 1 and 2, a fixed amount of external food wasprovided in different conditions., whereas in Experiments 3 and 4,both earned and total food intake were fixed to a dally maximum.Consumption and responding decreased with availability comparedto nonavailability of external food and systematically declined withincreasing amounts of external food in progressively openeconomies. The independence-quotient statistic was differentiallysensitive …