Making the world better, one answer at a time. Deodorant was around in ancient times but modern day deodorant was invented in 1888 by an inventor in Philadelphia, Pennsylvania.
Behavioral observations are a key component of cognitive psychology. Behavioral observations give cognitive psychologists a means of testing and evaluating theories about behaviors and a means of testing any predictions about those behaviors.
Naturalistic observation. Edit 1 29 â¦. Definition: a method of observation, commonly used by psychologists, behavioral scientists and social scientists, that involves observing the behavior of subjects in their natural habitats in many different situations and circumstances.