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 Method. With the observational method (sometimes referred to as field observation) animal and human behavior is closely observed. There are two main categories of the observational method â naturalistic observation and laboratory observation.bservational Method. With the observational method (sometimes referred to as field observation) animal and human behavior is closely observed. There are two main categories of the observational method â naturalistic observation and laboratory observation.