â  First, variables are defined by conceptual definitions. (constructs) that explain the concept the variable is. attempting to capture. â  Second, variables are defined by operational. definitions; that is, definitions of how variables will be. measured.
PASSIONFLOWER Overview Information. Passionflower is a plant. The above ground parts are used to make medicine. Passionflower is used for sleep problems (insomnia), gastrointestinal (GI) upset related to anxiety or nervousness, generalized anxiety disorder (GAD), and relieving symptoms related to narcotic drug withdrawal.
To be on the safe side, it should not be combined with alcoholic beverages or prescription sedatives. Passionflower should not be used by pregnant or lactating women, or for children under 6 months old because there have not been any studies in these groups of people (5).