The essay needs to engage in a critical analysis regarding the way in which psychological knowledge can be applied to alleviate/face societal challenges/problems. This must be the main focus of your analysis. Rather than focusing on evaluating whether psychological interventions work or not, it must discuss the extent to which psychological knowledge has been/is/will be applied in practice. This is to say the essay should focus on the way in which you can link theory/research in psychology and practice. Aim to offer different examples of how psychological knowledge can be applied in different contexts, areas, fields which can help face the challenges of nowadays societies. Aim to critically analyse how psychological knowledge can be (or not) used to help improve societies as a whole.