SparkNotes: Intelligence: Sample Quiz Questions

1. Bob achieved a score of 100 on the current version of the Wechsler Adult Intelligence Scale. What does his score mean?

(A) He answered 100 questions correctly

(B) He completed 100 questions, whether correctly or incorrectly

(C) He has 100 units of intelligence

(D) He achieved an average IQ score compared to other people

2. A nine-year-old child with a mental age of twelve would have what IQ?

(A) 133

(B) 75

(C) 108

(D) 120

3. Which of the following statements is true of heritability?

(A) Heritability estimates indicate how genes influence an individual’s traits

(B) Heritability depends on how similar the environment is for a group of people

(C) A highly heritable trait cannot be influenced by environment

(D) If heritability of a trait is high, then heredity must account for differences in that trait between groups

4. The Flynn effect suggests that which of the following is true?

(A) Environment influences IQ

(B) Heredity influences IQ

(C) There are discrepancies in average IQ between cultural groups

(D) There are no discrepancies in average IQ between cultural groups

5. What does the term reaction range refer to?

(A) The limits placed on IQ by heredity

(B) The limits placed on IQ by environment

(C) A commonly used biological index of intelligence

(D) None of the above

6. What percentage of all people who take the Wechsler Adult Intelligence Scale will achieve a score between 70 and 130?

(A) It is impossible to say

(B) 68 percent

(C) 95 percent

(D) 99 percent

7. Howard Gardner is notable for which of the following?

(A) Creating the Wechsler Adult Intelligence Scale

(B) Revising the Stanford-Binet

(C) Research on multiple intelligences

(D) Writing The Bell Curve

8. What is one biological index of intelligence?

(A) g

(B) Heritability

(C) Performance IQ

(D) Reaction time

9. Which of the following provides the best evidence of environmental influence on intelligence?

(A) There is a higher positive correlation in IQ between identical twins reared apart than between fraternal twins raised together

(B) There is a positive correlation between the IQ of adopted children and their biological parents

(C) There is a positive correlation between the IQ of biologically unrelated children raised in the same home

(D) There is a higher positive correlation in IQ between identical twins than between fraternal twins

10. The reliability of a test is its ability to do which of the following?

(A) Measure what it’s supposed to measure

(B) Yield the same results when given a second time

(C) Give an unbiased score

(D) All of the above