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A better method is needed to evaluate the effectiveness of precision agricultural practices on research farm fields. We present a novel methodology for formulating the design of an experiment to evaluate the effectiveness of precision agricultural practices. The method combines a georeferenced treatment structure and a georeferenced design structure to build a mixed model that describes and analyzes...
The relationship between smoking expectancies and readiness to quit as well as gender differences in expectancies and readiness to quit was examined among 484 urban African American smokers. Univariate analyses revealed that higher positive expectancies were generally associated with less readiness to quit and higher negative expectancies were associated with greater readiness to quit. A multivariable...
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