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.
Social Anxiety Disorder. Passion flower (passiflora incarnata) is an herbal supplement used historically in treating anxiety, insomnia, seizures and hysteria. A perennial climbing vine native to southeastern North America, passion flower is now grown throughout Europe. The herbal supplement is composed of the flowers, leaves and stems of the plant. Although the safety and effectiveness of passion flower have not been adequately studied, evidence from limited animal and human research suggest that the supplement may be useful in treating anxiety, insomnia, and nervous disorders.