Module 2.8c

Which of the following best represents the relationship between crystallized intelligence and age?

• Jake can solve brain teasers quickly, although his parents can solve them even more quickly.

• Grandpa Milt is better than his grandson Artie at crossword puzzles and trivia games.

• Aliyah has a knack for training dogs, which she learned from her mother.

• Heng writes more creative computer programs than their grandmother does.

Hal scored an 89 on an intelligence test when he was 16. Now, at age 56, he is interested in knowing what his score would be as an adult. The score he is most likely to earn on the new test would be

• 49.

• 70.

• 92.

• 129.

Choose which concept is described in the following statement: “Fifty percent to 80 percent of the variation in intelligence test scores in a group can be explained by genetic variation.”

• Fixed mindset

• Fluid intelligence

• Heritability

• Polygenetic effects

There is a greater correlation between the IQ scores of identical twins raised together than for fraternal twins raised together. What conclusion can be drawn from this finding?

• There is no significant hereditary contribution to intelligence.

• There is no significant environmental contribution to intelligence.

• There is a genetic effect on intelligence.

• There is an environmental effect on intelligence.

Which of the following is true of the mental similarities between adoptive children and their adoptive parents overtime?

• Adoptive children become much more similar to their adoptive parents over time.

• Adoptive children become slightly more similar to their adoptive parents over time.

• There is hardly any similarity when the adoptive children are young or when they are older.

• Adoptive children become less similar to their adoptive parents over time.