Balanced placebo design

Lotshaw, S., Bradley, R. and Brooks, L., Illustrating caffeine s pharmacological and expectancy effects utilizing a balanced placebo design. J Drug Educ 26(1), 13-24, 1996. 

Marlatt, G. Alan, and D. J. Rohsonow. 1 0. "Cognitive Processes in Alcohol Use Expectancy and the Balanced Placebo Design." In Advances in Substance Abuse, edited by Nancy K. Mello. Vol. 1. Greenwich JAI. 

Outline of the balanced placebo desi9n in studyin9 alcohol effects. The traditional design includes groups 1 and 2 only.)... 

Assessed the effect of oligofructose or inulin -h oligofructose vs placebo on Ca Abs in a balanced, randomized, crossover design using dual isotope... 

The better-designed studies included double blind, placebo-control conditions within a parallel research design. However, most studies did not provide any data on how they randomized or counter-balanced their experimental and placebo or control groups. No studies explicated how they were able to match the two groups in terms of the severity or duration of the subjects anxiety states. Future studies should use a more robust research methodology, such as a double blind, placebo-controlled, cross over design. 

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