Psychologist Edwin Twitmyer at the University of Pennsylvania in the U.S. discovered classical conditioning at approximately the same time as Pavlov was conducting his research . 1 However, the two were unaware of each other's research in this case of simultaneous discovery, and Pavlov received credit for the findings.
Definition of generation for English Language Learners. : 1  a group of people born and living during the same time. : 2  the people in a family born and living during the same time. : 3  the average length of time between the birth of parents and the birth of their children.
a. belonging to a generation specified as having been born in or as having parents, grandparents, etc, born in a given country: a third-generation American. b. belonging to a specified stage of development in manufacture, usually implying improvement: a second-generation computer. (ËdÊÉn ÉËreÉª ÊÉn).