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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.
In the Cognitive Atlas, we define a contrast as any function over experimental conditions. The simplest contrast is the indicator value for a specific condition; more complex contrasts include linear or nonlinear functions of the indicator across different experimental conditions.
An indicator is a specific quantitative or qualitative variable that is recorded for analysis. These may include behavioral variables (such as response time, accuracy, or other measures of performance) or physiological variables (including genetics, psychophysiology, or brain imaging data).
"Initial definition from Heishman etal. cited above"
NPicchetti (about seven years ago)
Definition contributed by NPicchetti about seven years ago:a multidimensional questionnaire to assess tobacco craving. It consists of a 47-item TCQ and other forms assessing demographics, tobacco and other drug use history, quit attempts, and current mood. It represents four specific constructs that characterize craving for tobacco: (a) Emotionality, or smoking in anticipation of relief from withdrawal symptoms or negative mood, (b) expectancy, or anticipation of positive outcomes from smoking, (c) compulsivity, or an inability to control tobacco use, and (d) purposefulness, or intention and planning to smoke for positive outcomes. It is an instrument for assessing tobacco craving in individuals not attempting to reduce or quit smoking. (PMID: 14577981)REVISION 1
Definition contributed by SAdministrator about nine years ago:No definition submitted yetView Term Event Log