The Second World War also influenced the development of the Boulder Model by fueling the growth of clinical psychology. Psychiatrists in the US military requested help from psychologists in efforts to treat "psychological and psychiatric casualties the war was producing" (p. 426).
Clinical psychology's progress was spurred by the Second World War, which facilitated the creation of the Boulder Model. Psychiatrists within the US military sought psychological assistance in treating "psychological and psychiatric casualties" that emerged during the war (p. 426).