
Factor analysis allows us to break down a complex construct into its principal components. For example, through factor analysis, we might find that the construct of depression is made up of four factors: dysphoria, anhedonia, vegetative symptoms, and suicidality. By determining the principal components of a psychiatric disorder, we can better understand how it is similar to or different from other disorders. Steel and Blaszczynski (1996) used factor analysis to deconstruct pathological gambling disorder into its principal psychological components. They used a sample of 115 subjects (101 males / 14 females) drawn from a psychiatric hospital (n=80) and from Gamblers... Read more →