This portfolio thesis comprises three parts: a systematic literature review, an empirical study and a set of appendixes.Part one is a systematic literature review, in which the literature pertaining to factors that impact on the psychological wellbeing of parents of children with type 1 diabetes is reviewed. The review begins with an overview of the research relating to parents of diabetic children, which is followed by a rationale for why this review would be an interesting addition to the literature. The paper then describes the methods used to collect the relevant studies. The review synthesises the results in a way which makes it clear which factors impact on each measure of psychological wellbeing. An overview of the findings is then g...