Give two reasons why a weight-loss programme could be used to treat type II diabetes but not type I diabetes.

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The design of this investigation helps to support the validity of any conclusions obtained.

Suggest and explain three features of this investigation that justify this statement.

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Use the information provided to calculate the difference in number of volunteers between the two groups who achieved diabetes remission.

Show your working.

Answer ______________

Use all the information to evaluate whether a weight-loss programme is an effective treatment for type II diabetes.