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.
Observation (noun) the act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything. Observation (noun) the result of an act, or of acts, of observing; view; reflection; conclusion; judgment. Observation (noun) hence: An expression of an opinion or judgment upon what one has observed; a remark. Observation (noun) performance of what is prescribed; adherence in practice; observance. Observation (noun) the act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal. Observation (noun)