How effective is psychological therapy in theory ? % Lambert in Bergin and Garfield (2012) Effect size in efficacy trials % Hansen, Lambert & Foreman (2006) Effect Size in real world How effective is psychological therapy in Australia ? Aaron has been gathering data from Australian practitioners who track outcomes Average Cohen’s D for Australia n = 1812 % Percent of clients improved Based on the data so far, Australian psychologists are outperforming the international efficacy benchmarks. Have you got data ? Contact me so we can add it to the current pool.