Which experimental design has the following symbols: 
Definitions:
Individual Counseling
A form of therapy where one receives guidance and support from a counselor on a one-on-one basis to address personal issues.
Mortality Risk
The probability or likelihood of death from all causes or a specific cause within a given time frame, often used in health and insurance contexts.
Light Smoker
An individual who smokes fewer cigarettes compared to the average smoker, often defined as smoking less than 10 cigarettes per day.
Quit Smoking
The process of stopping the habit of inhaling smoke from burning tobacco products.
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