Which of the following best describes performance of rats in the CON (contingent) food access group in the study of progressive-ratio (PR) schedules on wheel running in a closed economy? (Fonseca et al., 2014).
A) The rats met the PR requirement in each phase of the study and increased the amount eaten each day compared to baseline
B) The rats met the PR requirement in each phase of the study, but ate less each day compared to baseline
C) The rats failed to meet the PR requirement in the later phases of the study and continued to eat the same amount each day compared to baseline
D) The rats failed to meet the PR requirement in the later phases of the study, but ate less each day compared to baseline

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The Answer of Which of the following best describes performance of rats in the CON (contingent) food access group in the study of progressive-ratio (PR) schedules on wheel running in a closed economy? (Fonseca et al., 2014).
A) The rats met the PR requirement in each phase of the study and increased the amount eaten each day compared to baseline
B) The rats met the PR requirement in each phase of the study, but ate less each day compared to baseline
C) The rats failed to meet the PR requirement in the later phases of the study and continued to eat the same amount each day compared to baseline
D) The rats failed to meet the PR requirement in the later phases of the study, but ate less each day compared to baseline

Which of the Following Best Describes Performance of Rats in the CON