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.
6 things to expect with BOTOX Â® Cosmetic treatment. 1  Real, noticeable resultsâyou may begin to notice results within 24 to 48 hours for treatment of moderate to severe frown lines. 2  Some patients report that being injected with BOTOXÂ® Cosmetic feels like a pinch. 3  The actual injection time takes â 10 minutes.hotos taken at maximum frown and/or full smile before and after treatment with BOTOX Â® Cosmetic at day 7. In two clinical studies for moderate to severe crowâs feet, 26.1% and 20.3% of people had â¥ 2-grade improvement at day 30.