Brief Inventory of Perceived Stress
The Brief Inventory of Perceived Stress is a nine-item measure that is multidimensional, psychometrically sound and longitudinally stable. It was developed from items for the Perceived Stress Scale and the Perceived Stress Questionnaire and contains three factors: Lack of Control, Pushed and Conflict and Imposition.
The measure and scoring instructions are available at Brief Inventory of Perceived Stress.
Reference: Lehman KA, Burns MN, Gagen EC, Mohr DC. Development of the brief inventory of perceived stress. J Clin Psychol. 2012;68(6):631-644.
Perceived Barriers to Psychological Treatments
The initial items in the Perceived Barriers to Psychological Treatments were derived from 260 participants. These items were then were administered to 658 primary care patients. Exploratory factor analysis on half the sample resulted in eight factors, which were supported by confirmatory factor analysis conducted on the other half. Factors include stigma, lack of motivation, emotional concerns, negative perception of therapy, misfit of therapy to needs, time constraints, participation restrictions, availability of services and cost.
The measure and scoring instructions are available at Perceived Barriers to Care.
Reference: Mohr DC, Ho J, Duffecy J, Duffecy, J., Baron, K.G., Lehman, K.A., Jin, L., Reifler, D. Perceived barriers to psychological treatments and their relationship to depression. J Clin Psychol. 2010;66(4):394-409.