AP Psychology: Questions 734 - 736 of 1615
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Question number: 734
Question number: 735
Mathew, a psychology major, collected survey data about the number of hours that college students study for finals and their grades on those finals. His data indicates that students who spend more time studying for finals tend to do better than other students. What can Mathew now conclude?
A significant relationship exists between studying and grades.
Studying improves a student’s grade on a final exam.
Students who do not study for final exams will not do well on those exams.
A relationship exists between studying and exam grades.
Question number: 736
Joseph runs an experiment testing the effects of sugar consumption on aggression levels in children and randomly assigns 20 subjects either to a control group given sugar-free sweets or to the experimental group that was given the same sweets that did contain sugar. He then tests the subjects’ response to several different puzzles, each with increasing difficulty and hypothesizes that sugar levels play a major role in aggression in children. In order to know whether his hypothesis has been supported, Joseph will need to use: