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.
(May 2011). Naturalistic observation is, in contrast to analog observation, a research tool in which a subject is observed in its natural habitat without any manipulation by the observer.aturalistic observation as a research tool comes with both advantages and disadvantages that impact its application.