In order to explain the ecological approach in the learning process, we. present its underlying principles and analyse them in relation to existing learning design frameworks. To formalize. our approach, we define the basic concepts and propose a general framework for constructing learning paths.
Most women need 20-25 units for the treatment of frown lines. However, men may need 35 units because the bulk of muscle to be weakened is larger. BotoxÂ® prices nationwide average between $10 and $15 per unit.
1 Which area needs treating: Prices will be higher for areas that require more units of Botox. 2  This will be discussed during your initial consultation. 3  The dose required: Clinics who charge on a per unit basis will charge more if the extent of the wrinkles / lines require more units of Botox.