Chocolate - The Scientific Method
#1
Mr. Lehman wanted to know whether or not his students would do better on a quiz if he promised them candy.
#2
He went to the library and read several studies about the effect of giving food to lab animals. He found out that if animals were given food as a reward for doing something, they usually did better the more reward they were given.
#3
He guessed that the more candy that his students were promised, the better they would do on the quiz.
#4
He had all of his classes participate in the experiment. There were four groups in all. Each group had the same amount of boys and girls, they were all given the same quiz, they were all the same age, the same ability, and they were all from the same background.
The first group was not promised any candy if they did well on the quiz. The second group was promised 1 candy bar if they did well on the quiz. The third group was promised 2 candy bars if they did well on the quiz. The forth group was promised 3 candy bars if they did well on the quiz.
#5
Group #1 got an average of 70% on the quiz. Group #2 got an average of 80% on the quiz. Group #3 got an average of 90% on the quiz. Group #4 got an average of 95% on the quiz.
#6
Mr. Lehman then decided that the more candy a group was promised, the better they did on quizzes.
#7
He then repeated the experiment
with different students
Results of the Chocolate Experiment
DIRECTIONS: Fill in the data chart
and answer the questions in full sentences where it is appropriate.
Directions: Answer the following
questions in full sentences.
