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.
A quantitative observation is something that measures a quantity (number), such as the weight of length of an object. Quantitative observations have numbers, such as 3 pounds â¦or 5 meters. The opposite is a qualitative observation, such as something is round or that it is blue.