Abstract：
:Adult participants played computerised games of "Paper Scissors Rock". Participants in one group were told that they were playing against the computer, and those in the other group were told that they were playing against another participant in the adjacent room. The participant who won the most games would receive a $50 prize. For both groups however, the opponent's responses (paper, scissors, or rock) were generated by the computer, and the distribution of these responses was varied across four blocks of 126 trials. Results were analysed using the generalised matching law for the three possible pairs of alternatives (paper vs. scissors, paper vs. rock, and scissors vs. rock) across all participants in each group. Overall, significantly higher estimates of sensitivity to the distribution of opponent's responses were obtained from participants who were told their opponent was a computer compared to participants who were told their opponent was another participant. While adding to the existing literature showing that the generalised matching law is an adequate descriptor of human three-alternative choice behaviour, these findings show that external factors such as perceived opponent type can affect the efficacy of reinforcer contingencies on human behaviour. This suggests that generalising the results from tasks performed against a computer to real-life human-to-human interactions warrants some caution.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Lie C,Baxter J,Alsop Bdoi
10.1016/j.beproc.2013.07.005subject
Has Abstractpub_date
2013-10-01 00:00:00pages
87-94eissn
0376-6357issn
1872-8308pii
S0376-6357(13)00138-1journal_volume
99pub_type
杂志文章abstract：:Discounting occurs when the subjective value of an outcome decreases because its delivery is either delayed or uncertain. Discounting has been widely studied because of its ubiquitous nature. Research from our laboratory has demonstrated that rates of discounting are systematically altered by several different factors...
journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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