T Insert Table Chart Text Shape Media Comment A sports psychologist wants to know the ideal amount of time an athlete should eat before competition. They recruit 50 runners and ask them to eat a full meal ten hours before a race. Race time is recorded. Then the same group of 50 runners are asked to eat a full meal 5 hours before a race. Race time is again recorded. Times for the two races are compared. 8. This is an experiment. WHY? 9. What is the independent variable? 10. Is the independent variable nominal, ordinal, interval, or ratio? 11. What is the dependent variable? 12. Is the dependent variable nominal, ordinal, interval, or ratio? 13. Is this a within-subjects or between-subjects study? 325 wordsInsert Table Chart Text Shape Media Comment Practice Problem Activity - Chapter 1 A psychology professor wants to know if students who learn about psychological myths are better able to detect faulty statements on a test. She randomly assigns 200 students to either attend a lecture about psychology myths or a lecture by a speaker talking about on-campus clubs. After the lectures, all students take a test to see how well they can decide between true and false statements about psychological topics. The average scores on the test for each group are then compared. Answer the following questions based off of the study description. 1. This is an experiment. WHY? 2. What is the independent variable? 3. Is the independent variable nominal, ordinal, interval, or ratio? 4. What is the dependent variable? 5. Is the dependent variable nominal, ordinal, interval, or ratio? 6. Is this a within-subjects or between-subjects study? 7. Match the correct level of measurement to the variables below. You can use options more than once, but you should only give one answer for each blank. Nominal Ordinal Interval d. Ratio How long a person can balance on one foot (in seconds) Place in a local 5k fun run (1st, 2nd, 3rd, etc.) A person's favorite color A person's body temperature in degrees Fahrenheit A person's score on an self-esteem test (scored 50-500) 325 words MacBook Air