This widely used questionnaire can be used independently or to enhance the EQUIP training program. It measures four categories of self-serving cognitive distortions (thinking errors)Self-Centered, Blaming Others, Minimizing/Mislabeling, and Assuming the Worst. The questionnaire is a 54-item measure that can be administered in groups or with individuals. It is typically completed in 5 to 15 minutes and requires only a fourth-grade reading level. The questionnaire, which includes scoring and computation instructions and forms, is useful in assessment, treatment planning, tracking therapeutic progress, and individual- or program-level outcome evaluation. The How I Think (HIT) Questionnaire is sold in sets of 20 and is accompanied by a 44-page manual.