Light therapy is usually started in the fall and continued through spring. When you begin light therapy, your first response will show you whether you need to adjust the intensity or duration. Many people respond to light therapy within 3 to 5 days.
Psychographics is a marketing demographic method used to analyze market segmentation. (The population demography of a specific market) It relates to the lifestyles, attitudes, beliefs, buying motivation, product usage requirements, and product perceptions.
From Wikipedia, the free encyclopedia. Market segmentation is a marketing strategy which involves dividing a broad target market into subsets of consumers, businesses, or countries who have, or are perceived to have, common needs, interests, and priorities, and then designing and implementing strategies to target them.emographic segmentation divides markets into different life stage groups and allows for messages to be tailored accordingly. A variant of this approach known as firmographic or feature based segmentation is commonly used in business-to-business markets (itâs estimated that 81% of B2B marketers use this technique).