- To examine the effectiveness and acceptability of all humanistic therapies compared with treatment as usual/waiting list/attention placebo control conditions for acute depression.
- To examine the effectiveness and acceptability of different humanistic therapy models (person-centred, gestalt, process-experiential, transactional analysis, existential and non-directive therapies) compared with treatment as usual/waiting list/attention placebo control conditions for acute depression.
- To examine the effectiveness and acceptability of all humanistic therapies compared with different types of comparator (standard care, no treatment, waiting list, attention placebo) for acute depression.
This is a protocol.