Nature-Nurture Influences Can Be Studied Using Different Methods

Question 1

Family Studies: if family members share a trait more frequently than unrelated people do then

Answer 1

this could imply a genetic influence for that behavior

Question 2

Family Studies: Solyom et al date

Answer 2

1974

Question 3

Family Studies: Solyom et al (1974) showed that

Answer 3

phobias can run in families

Question 4

Family Studies: similarities between family members may actually be the result of their

Answer 4

shared environment - relatives might learn behaviors from each other

Question 5

Adoption Studies: these studies compare

Answer 5

an adopted child with its biological and adoptive parents

Question 6

Adoption Studies: if the child has more similarity with its adoptive parents then this would imply

Answer 6

that nurture is important because they share the same environment

Question 7

Adoption Studies: similarities with the biological parents suggests that

Answer 7

nurture is more important

Question 8

Twin Studies: identical twins (MZ) share

Answer 8

100% of their genes

Question 9

Twin Studies: non-identical twins (DZ) share

Answer 9

50% of their genes

Question 10

Twin Studies: if MZ twins are more likely to share a characteristic then DZ twins

Answer 10

it implies a genetic influence

Question 11

Twin Studies: Holland et al date

Answer 11

1988

Question 12

Twin Studies: Holland et al found a

Answer 12

56% MZ concordance for anorexia compared to 5% DZ concordance