Module 32-37 (but only 33. 4 in module 33) Unlike in the book, we are going to look at motivation alongside emotion and you will be tested on it. We have a survival or a drive to live but at the same time a drive for aggression and destruction that we need to manage. We are motivated to pass on our genes. Biological needs or deficiencies increase our level of drive (arousal) All of our behavior is geared towards satisfying this biological need thus reducing this drive to a 0 level. He actually developed a formula to conceptualize this theory - however it is not intended to be mathematical. Where e is the chance of a given response occurring. And h - habit strength - how familiar or practiced a certain behavior is. This theory implies all of our behavior is geared towards satisfying biological needs and deficiencies.