Heston Adoption Study

Question 1

What was the aim of Heston?

Answer 1

To see if schizophrenia has a genetic predisposition

Question 2

How many adopted adults were used in both conditions? HESTON

Answer 2

47

Question 3

What did all participants have? HESTON

Answer 3

A personal interview and a MMPI test in mental health to see if they had schizophrenia

Question 4

How many psychiatrists rated each participant? HESTON

Answer 4

3

Question 5

What were two results? HESTON

Answer 5

Five of the adopted children with a mother with schizophrenia were later hospitalised with schizophrenia
0 of the control group had schizophrenia

Question 6

Conclusion? HESTON

Answer 6

Genes appear to play a role in schizophrenia

Question 7

High validity? HESTON

Answer 7

Large amount of qualitative date through personal interviews and MMPI

Question 8

Low generalisability? HESTON

Answer 8

Most people are not adopted; which means those that are adopted are not representative of the population