How Pavlov's experiments with dogs demonstrated that our behavior can be changed using conditioning. One of the most revealing studies in behavioral psychology was carried out by Russian physiologist Ivan Pavlov (1849-1936) in a series of experiments today referred to as 'Pavlov's Dogs'.
Difference between Generation X and Generation Y. Generation X and generation Y are two categories of people that are defined according to the idea that different generations can be separated from one another according to when they were born and to the cultural influences that have shaped them.
Sandwiched between 80 million baby boomers and 78 million millennials, Generation X  roughly defined as anyone born between 1965 and 1980  has just 46 million members, making it a dark-horse demographic condemned by numbers alone to nicheville, as Gordinier puts it in the book.