Second Language Acquisition through Duolingo from a Behaviourism Perspective

Write a critical paper analysing how 2nd language acqusition can be achieved through the use of duolingo app from a behaviourist perspective the essay should focus on reviewing the app through behaviourism.

The essay should start with explaining duolingo and provide background. Then describe behaviorism as a theoritical framework and then analyze duolingo thru the lenses of behaviorism.