Rutter: Findings

• How much of the adoptees showed signs of delayed intellectual development?

  Half
• What did half of the adoptees show signs of?

  Delayed intellectual development
• What was the mean IQ of children at 11 adopted before 6 months?

  102
• What was the mean IQ of children at 11 adopted between 6 months and 2 years?

  86
• What was the mean IQ of children at 11 adopted after 2 years?

  77
• Intellectual development depended on whether adoption was before or after 6 months
• What attachment style did children adopted after 6 months show?

  Disinhibited
• What are symptoms of a disinhibited attachment style?

  Attention-seeking, clinginess, indiscriminate social behaviour towards all adults
• How often did children adopted before 6 months display disinhibited attachment?

  Rarely