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首页> 外文期刊>Drug and alcohol dependence >Effects of reinforcer magnitude and alternative reinforcer delay on preference for alcohol during a multiple-choice procedure.
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Effects of reinforcer magnitude and alternative reinforcer delay on preference for alcohol during a multiple-choice procedure.

机译：在多项选择程序中，补强剂强度和替代补强剂延迟对酒精偏好的影响。

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The Multiple-Choice Procedure [MCP; Griffiths, R.R., Troisi II, J.R., Silverman, K., Mumford, G.K., 1993. Multiple-choice procedure: an efficient approach for investigating drug reinforcement in humans. Behav. Pharmacol. 4, 3-13; Griffiths, R.R., Rush, C.R., Puhala, K.A., 1996. Validation of the multiple-choice procedure for investigating drug reinforcement in humans. Behav. Pharmacol. 4, 3-13] was developed to investigate the relationship between drug preferences and alternative reinforcers. The current study was designed to better characterize the relationships among reinforcer magnitude, delay associated with an alternative reinforcer, and preference for alcohol among a sample of undergraduate drinkers. Participants were 27 male undergraduates, over the age of 21, who reported engaging in at least three occasions of binge drinking over the previous month. All participants took part in a single laboratory session, during which six versions of the MCP questionnaire were administered. Across the versions, participants made a total of 180 discrete choices between three amounts of alcohol (12, 24, or 36 ounces of beer; deception was used to mask the fact that 36 ounces of beer would not actually be provided during the sessions) and escalating amounts of money (Dollars 0 to Dollars 20) delivered immediately or after a one-week delay. Response on the MCP varied as a function of the amount of alcohol available and the delay associated with the alternative monetary reinforcer, with the effect of the delay diminishing as the dose of alcohol increased. Results of the current study are consistent with previous laboratory studies of choice behavior and with behavioral economic theories of substance use.
机译：多项选择程序[MCP; Griffiths，R.R.，Troisi II，J.R.，Kilverman，K.，Mumford，G.K.，1993年。多项选择程序：一种研究人类药物强化的有效方法。行为。 Pharmacol。 4、3-13; Griffiths，R.R.，Rush，C.R.，Puhala，K.A.，1996年。《多项选择程序对人类药物强化研究的验证》。行为。 Pharmacol。 [4，3-13]用于研究药物偏好与替代补强药之间的关系。当前的研究旨在更好地表征增强剂强度，与替代增强剂相关的延迟以及大学生饮酒者对酒精的偏好之间的关系。参加者为27名年龄在21岁以上的男大学生，他们报告在过去的一个月中至少有3次狂饮。所有参与者都参加了一次实验室会议，在此期间，管理了六种MCP调查表。在所有版本中，参与者在三种酒精饮料（12盎司，24盎司或36盎司啤酒）中总共进行了180种不同的选择;使用欺骗手段掩盖了在会议期间实际上不会提供36盎司啤酒的事实。立即或在延迟一周后交付的不断增加的金额（0美元兑换20美元）。对MCP的响应随可用酒精量和与替代货币强化剂相关的延迟的变化而变化，延迟的影响随着酒精剂量的增加而减小。当前研究的结果与先前关于选择行为的实验室研究以及物质使用的行为经济学理论是一致的。

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