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.
Observational Technique Definition. Observational marketing research is a qualitative method of collecting and analyzing information obtained through directly or indirectly watching and observing others in natural or planned environments. It is often the first, and sometimes only, step in developing a marketing plan or project.