They affect a country's production possibility by boosting the production rate because the more we have of the raw material the more we can make. Technology can help us produce faster
It is called a positive psychology as it is responsible for having or making an individual strengthen his or herself in a way of his or her well being or a representative as an individual. It is a way of having positive characteristic and attitudes which is seen above.
A magnifying glass to be able to easily start fires. That would keep you warm, able to cook food, boil water, keep wild animals away from camp, and make you a very valuable teammate.
I believe the answer is: Biopsychology
Byopsychology studies the correlation between our physical condition to the behaviour that we displays in our interraction. The chemistry that released by our brain under certain situation would affect the emotion that we felt at that time, which would most likely influence how we behave in response to that emotion.