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 consists of observing and recording the behavior of organisms in their natural environment. Like the case study and survey methods, this research strategy describes behavior but does not explain it.