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.
Lesson Summary. Naturalistic observation is the research practice of studying things in their environment. Some things are best observed outside of a controlled laboratory facility. This method is used in both qualitative and quantitative research. Some methodological issues can arise in this type of research.