Investigating the role of expectancy in caffeine withdrawal using the balanced placebo design
Abstract
Objective This study investigated psychological influences on drug withdrawal symptomatology using a caffeine‐based model. Methods Using the 2 × 2 balanced placebo design caffeine dose (given caffeinated vs decaffeinated coffee) was crossed with dose expectancy (told caffeine vs. decaf) among 87 (16‐hr abstinent) regular coffee consumers in a 2‐day study. Results There were effects of expectancy and pharmacology that differed depending on the...
Paper Details
Title
Investigating the role of expectancy in caffeine withdrawal using the balanced placebo design
Published Date
Mar 1, 2019
Volume
34
Issue
2
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