1. What method did Hodges and Tizard use in their study?
- They studied 65 children who had been placed in institutional care and hadn't had the chance to form close relationships with their caregivers. By the age of 4 some had returned to their birth mother (or had been adopted) whilst others stayed
- They studied 56 children who had been placed in institutional care and hadn't had a good upbringing. By the age of 4 some had been adopted but they had worse relationships than those who stayed in the institution
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2. What points can be used to evaluate Robertson and Robertson's study on John?
- His reaction may not have been due to the seperation, there was little control of variables and it would be difficult to replicate but has high ecological validity
- He may have been unhappy anyway, there was high control of variables but the study has low ecological validity
3. What evaluation points can be used to critique Hodges and Tizard's study?
- It has a high ecological validity but the sample was small so it is difficult to generalise the results
- It has low ecological validity but the sample was large so the results can be generalized
4. What was the method Robertson and Robertson used to study John?
- A naturalistic experiment in which he was observed and filmed whilst seperated from his mother for 9 days
- A lab experiment in which he was filmed whilst seperated from his mother for 10 days
5. What were the results of Hodges and Tizard's study?
- The adopted group had strong relationships with their families, the others showed poorer family and peer relationships
- The adopted group had poor relationships with their families, the others showed detachment from all caregivers