Researchers are interested in the relationship between coffee and happiness. They assign participants to either drink 16 ounces of coffee or O ounces of coffee each day. After 1-week, participants complete a self-esteem scale. Results showed that participants who drank coffee were significantly happier than participants who did not drink coffee (t(99) = 5.32, p<.05). Due to this information, researchers decided to reject the null hypothesis. If they are in error, which error have they made? О уреl Both Type I and Type II Туре |I O Type III

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