 The paper presents the development and initial psychometric validation of the Alberta Context Tool, ACT, an eight-dimensional measure of organizational context for healthcare settings. The ACT was developed using substantive theory, brevity, and modifiability principles, and was guided by the Promoting Action on Research Implementation in Health Services, PAIHS, Framework and Related Literature. The English version of the ACT was completed by 764 nurses working in seven Canadian pediatric care hospitals as part of its initial validation. Factor analysis indicated a 13-factor solution, with crombatches Alpha ranging from 0.54 to 0.91 for the 13 factors. Bivariate associations between instrumental research utilization levels and the ACT's 13 factors were statistically significant at the 5% level for 12 of the 13 factors, indicating construct validity. The strengths of the ACT are its brevity and focus on modifiable dimensions of organizational context, and refinements of the instrument for acute, long-term care, and home care settings are ongoing. This article was authored by bird cell GDM, Cummings Greta G., Squires Janet E., and others. We are article.tv, links in the description below.