Guided Reading Questions for chapter nine Name_________________________________Psy 201 Andrew GummowKey Concepts in Psychological Testing1. Your definition of intelligence tests states that these tests measure general mental ability, and that they’re intended to assess potential rather than accumulated knowledge. What does this mean?2. What is the difference between an aptitude test and an achievement test?3. In your own words, why is standardization important?4. If you scored in the 60th percentile on the math portion of the SAT, how many people scored higher than you and how many scored lower than you?5. Let’s say a group of participants take the same intelligence test at two different times. What would each participants test scores look like if the test had high test-retest reliability? What if the test had low test-retest reliability?6. What is the “numerical index” we use to determining reliability?7. Think of the last test you took in this class. Would you say that test was valid? Why or Why not?8. In your opinion, was Galton correct when he wrote that intelligence is governed by heredity? Defend your answer:9. How did Binet’s intelligence test use test norms?10. Average IQ is 100. This is because IQ = (mental age divided by chronological age) X 100. Look at table 9.1 and create a quotient for an eight-year-old child with average intelligence, a 10 year oldwith below average intelligence, and a 12 year old with above average intelligence:11. How did Wechsler’s intelligence tests for adults differ from the Stanford Binet IQ test for children?12. Draw a normal distribution that has a mean of 100 (there’s a picture on page 366). What would you say about the number of scores above the mean and below the