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.
Herbs should be used according to individual needs; consult with a licensed practitioner for a customized formulation. 1  Evening primrose oil, horsetail, and chamomile are good Western herbs used to treat sciatica.[7] 2  White willow bark, valerian, and passionflower work as relaxants and are natural pain relievers.