Q1. Explain why scientific methodology is crucial in terms of psychology being a social science. Guidance Your response should be no more than 500 words.Your answer should identify the methodology that makes psychology scientific, and explain the benefit of this in terms of the validity of psychological research, for example, research designs (repeated measures, independent measures design) and research methods (sampling strategies, variables – IV, DV and the control of extraneous variables).Relevant theory must be referenced where appropriate, and you must provide a references list and bibliography.Q2. Evaluate two psychological approaches of your choice.GuidanceYour response should be no more than 400 words.You should choose two approaches to evaluate, for example, classical conditioning, operant conditioning, social learning, psychodynamic, humanistic, or cognitive. You must ensure that the approaches you choose for this question can also be applied to the case study which you will use to answer question 3.Your evaluation for this question must not be related to the case study, but should consider the strengths and weaknesses/limitations of the approaches in general terms of understanding human behaviour. You may want to consider research that supports the approaches.Relevant theory must be referenced where appropriate, and you must provide a references list and bibliography.Q3. Referring to the case study provided, analyse the application of the two approaches used in question 2 in understanding Leah’s eating disorder. The case study is attached below.GuidanceYour response should be no more than 400 words.Your analysis must be detailed and make clear reference to the case study within your response, highlighting aspects of the case study that would support the application of your two approaches.Relevant theory must be referenced where appropriate, and you must provide a references list and bibliography.