California is known for its movie industry, and in comparison New York is rather the capital of finance and fashion and Washington is the administrative capital. .Also it can't be London, since it's not even in America
hypothesis: Students will do better on their next test if motivated by candy.
experiment: Giving candy to one group of students but not giving the candy to another group of students so that they can act as the control group. Analyzing which group did better on the test
