You then need to give two sides of the argument. This means you need to present: examples of psychological research whose relevance is limited to the historical time period when it was conducted examples of psychological research where the historical time period has had less impact on its relevance any implications of the issue being discussed. look at the work of Adorno et al. on the ‘authoritarian personality’. outline the work of Harlow and consider the impact of his findings as well as the historical time period in relation to methodology, ethics, etc.