Psychology Experiment

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Psychology Today

Volume 3, Episode 5

Submitted: January 18th, 2003

First Revision: January 28th, 2003

Second Revision: February 3rd, 2003

Accepted: February 20th, 2004

Publication Date: February 23rd, 2003

Does Eating Chocolate Cause Acne?

Victor Seo

Toronto University



It is often said that eating chocolate will give you acne. To further this idea, 400 students from high schools are divided into 4 groups and each group is given different amounts of chocolate daily (1 bar, 3 bars, 6 bars, or 10 bars). They are treated for a month until the observation is finished. After testing them, data shows that there is a weak positive correlation between eating chocolate and having acnes. In brief, chocolate is not a cause of acne.


When it comes to acne teenagers will do anything for the sake of having hopes that the acne will disappear. Many teenagers do not know the causes of pimples and one of their beliefs is by eating chocolates. To confirm this assumption, the experimenter, Victor Seo has developed an experiment to prove the hypothesis: “people who consume lots of chocolate will produce more acne than people eat less chocolate. 400 students of teenagers with grades ranging from 9 to 11 will be examined divided into four groups each consuming 1 bar, 3 bars, 6 bars, or 10 bars daily. This experiment will remain over a time period of a month. Meals will be served in equal amounts and the amounts of acne will be recorded every week.

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In secondary schools in Toronto, random 400 students ranging from grade 9 to 11 will be chosen. The students who have serious acne will be not allowed to participate in the experiment. The people who are chosen will be around the average weight, have healthy body, sleep about 8 hours daily, and not be taking or abusing drugs. These 400 students will be divided into 4 groups, and in each group of students will be taking different amounts of chocolate every day. Each group will be taking 1 bar, 3 bars, 6 bars, and 10 ...

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