Deterding, S., Dixon, D., Khaled, R. and Nacke, L. (2011a) âFrom Game Design Elements to Gamefulness: Defining âGamificationââ, Envisioning Future Media Environments - Conference proceedings, MindTrekâ11, Tampere, pp. 9â15.
The payback method is a simple way to evaluate the number of years or months it takes to return the initial investment. The payback period is usually expressed in years. Start by calculating net cash flow for each year: net cash flow year one = cash inflow year one - cash outflow year one.
Biofeedback is particularly effective at treating conditions brought on by severe stress. When a person is stressed, their internal processes such as blood pressure can become irregular. Biofeedback therapy teaches these patients certain relaxation and mental exercises which can alleviate their symptoms.iofeedback is typically used to treat chronic pain, urinary incontinence, high blood pressure, tension headache, and migraine headache. The three most common types of biofeedback therapy are: 1  Thermal biofeedback-which measures skin temperature.