The use of the changing criterion design in achieving controlled smoking in a heavy smoker: a controlled case study.


This study describes the use of the changing criterion design for decreasing smoking rate. Evidence is provided which demonstrates that boundaries exist within which a well-established, high frequency baseline smoking rate (82 cigarettes per day) can be successfully modified and maintained at the rate of 5 cigarettes per day over a 20-month follow-up period… (More)


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