Contingency Management is an effective treatment for drug addiction. The current explanation for its success is rooted in alternative reinforcement theory. We suggest that alternative reinforcement theory is inadequate to explain the success of Contingency Management and produce a model based on demand curves that show how little the monetary rewards offered in this treatment would af... https://www.markbroyard.com/quick-sale-savannah-tropic-pure-argan-oil-hair-serum-125ml-oos-on-sale-mega-super/