Explain key characteristics of the Social; Developmental and Humanistic psychological perspectives.

1.1 Explain key characteristics of the Social; Developmental and Humanistic psychological perspectives
1.2 Evaluate these psychological perspectives using evidence from research, by describing at least two relevant research / case studies for each of these perspectives
1.3 Evaluate methods of data gathering used in order to conduct these pieces of research / case studies
1.4 Analyse how this range of psychological perspectives can be used to explain behaviour, by analysing the impacts of these perspectives, in the context of human behaviour and real-world implications, specifically in respect of Mark Griffiths study on gambling addiction – British Journal of Psychology, 85 pages 351-369