Research article summary:

Comparison between two measures of delay discounting in smokers.

Abstract Extract:
Agreement between computer and questionnaire measures of delay discounting in smokers was compared. Correlations between measures for small, medium, or large rewards were significant. Log k values decreased as the reward delay increased, with values ... (Full abstract text below)

Published 2003May in Journal: Exp Clin Psychopharmacol (Language : eng)

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1. Exp Clin Psychopharmacol. 2003 May;11(2):131-8

Comparison between two measures of delay discounting in smokers.

Epstein LH, Richards JB, Saad FG, Paluch RA, Roemmich JN, Lerman C

Department of Pediatrics, University at Buffalo School of Medicine and Biomedical Sciences, New York 14214-3000, USA. lhenet@acsu.buffalo.edu

Agreement between computer and questionnaire measures of delay discounting in smokers was compared. Correlations between measures for small, medium, or large rewards were significant. Log k values decreased as the reward delay increased, with values lower for the computer task than the questionnaire, with significant differences for small rewards. The 2 measures were related to smoking rate but not to age, gender, or obesity. The Bland-Altman test of agreement indicated large within-subject differences in k values between the 2 measures. The size of the difference between the log k values and magnitude of the log k values were positively related. Results suggest k values from the 2 measures are related but may not be used interchangeably.

PMID : 12755457 [PubMed - Indexed for MEDLINE]

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Full Author Information

First Name	LastName	Initials
Leonard H	Epstein	LH
Jerry B	Richards	JB
Frances G	Saad	FG
Rocco A	Paluch	RA
James N	Roemmich	JN
Caryn	Lerman	C

Affiliation: Department of Pediatrics, University at Buffalo School of Medicine and Biomedical Sciences, New York 14214-3000, USA. lhenet@acsu.buffalo.edu

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Keywords in this article:

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