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.
What is qualitative observation in science? A: Qualitative observation in science is when a researcher subjectively gathers information that focuses more on the differences in quality than the differences in quantity, which usually involves fewer participants.