A preschool version (The Preschool Anxiety Scale) was adapted from the SCAS by Professor Susan H Spence and Professor Ron Rapee in 1999.
Information about the development of the scale and its psychometric properties can be obtained from the following paper:- Spence, S.H., Rapee, R., McDonald, C., & Ingram, M. (2001). The structure of anxiety symptoms among preschoolers. Behaviour Research and Therapy, 39, 1293 - 1316.