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.
For anxiety: Capsules containing 400 mg of passion flower extract twice daily for 2-8 weeks has been used. Also, 45 drops of a liquid extract of passion flower has been used daily for 4 weeks. For reducing anxiety before surgery: 20 drops of a specific passion flower extract (Pasipay by Iran Darouk Pharmaceutical Company) taken the evening before surgery and 90 minutes before the start of surgery has been used.