Professor Todd decides to test her hypothesis that eating ch…
Professor Todd decides to test her hypothesis that eating chocolate prior to exams increases students’ test scores. She randomly assigns students to two groups at the beginning of the semester. One group receives a bar of chocolate before each test, while the other group receives another type of candy. She compares their scores at the end of the year, and finds that the students who ate the chocolate scored an average of ten points higher on their exams. What is the dependent variable in this experiment?
Read DetailsRecently, the local radio station has played ads for some na…
Recently, the local radio station has played ads for some natural herbs that will calm you, increase your sense of well-being, and make you happier within days of taking your first dose. In fact, one ad even says, “users who feel that their happiness is increasing too much are advised to cut down to a half dose each day!” You are sure this is a pseudoscientific claim because it is __________.
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