The use of an Acceptance and Commitment Therapy (ACT) and Schema group intervention with the mental health carer population has a strong justification: 1) There is a theoretical rationale for the role of experiential avoidance and negative expectations of relationships (and associated cognitive fusion) in underpinning mental health carers interpersonal problems; 2) Correlational data demonstrates that the processes targeted by ACT (i.e. experiential avoidance) and Schema therapy (i.e.