WK 5 : Intelligence part 2

Question 1

Twin studies (Genetic influence)

Answer 1

• Examine genetic traits in twins.
• Identical IQ scores suggest genetic influence.
• Challenging to separate genetic and environmental factors.

Question 2

Environmental influence

Answer 2

Environment’s Womb Impact = Mother’s health and habits influence fetal development.

Family Environment = Enriched and stimulating family environments correlate with IQ.

Question 3

Eladro et al (1975) = quality of the family environment

Answer 3

• Examined mother-baby interactions, positivity, and cognitive stimulation.
• Included puzzles and external stimulation.

Question 4

Intelligence and enriched environments

Answer 4

• Intelligent children usually have intelligent parents who provide an enriched environment
• Intelligent children are more likely to ask more questions, which will evoke an intelligent response -> further aid development

Question 5

Does diet impact intelligence?

Answer 5

• Yes
• Vitamins boost IQ, especially for those with poor nutrition.

Question 6

Confluence model

Answer 6

• 1st born children are usually smarter than their siblings
• 1st-born’s intelligence attributed to more parent interaction. With more siblings, children interact more among themselves. As family size increases, individual time with each child decreases.

Question 7

Flynn effect

Answer 7

Intelligence score gets higher with time. People are getting smarter