raman October 29, 2011 1 Comment on When were Deodorants invented? The under arm deodorant was invented by Ziryab in the 9th century in Al-Andalus. A U.S. inventor in the year 1888 developed the first commercial deodorant, Mum in Philadelphia in Pennsylvania. On 28th January 1941, Jules Montenier patented the modern creation of antiperspirant.
The behavioural paradigm is based on a set of assumptions which are based on an understanding of the learning process in terms of the principles of behaviourism. The learning process is described in terms of the behavioural concepts of 'conditioning' and 'conditioned behaviour'.
A paradigm shift, a concept identified by the American physicist and philosopher Thomas Kuhn, is a fundamental change in the basic concepts and experimental practices of a scientific discipline. Kuhn contrasted these shifts, which characterize a scientific revolution, to the activity of normal science, which he described as scientific work done within a prevailing framework. In this context, the word paradigm is used in its original Greek meaning, as example. The nature of scientific revolut