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.
4. notice: to escape observation. 5. an act or instance of watching or noting something for a scientific or other special purpose. 6. the information or record secured by such an act. 7. something learned in the course of observing things. 8. a remark or statement based on what one has observed; pronouncement.