explain and provide evidence that suggests that advances in psychological knowledge have been achieved through research that challenges existing psychological theory, drawing on examples from Chapters 3, 5 and 8 of Investigating Psychology

explain and provide evidence that suggests that advances in psychological knowledge have been achieved through research that challenges existing psychological theory, drawing on examples from Chapters 3, 5 and 8 of Investigating Psychology
consider alternative viewpoints; i.e. explain and provide examples that suggest that advances in psychological knowledge have been achieved through research that builds on existing psychological theory, again drawing on examples from Chapters 3, 5 and 8 of Investigating Psychology
evaluate the importance of the claim that advances in psychological knowledge can only be achieved through research that challenges existing psychological theory, in the light of material presented in Chapters 3, 5 and 8 of Investigating Psychology.