The Youth Program Quality Assessment tool is a validated measure of staff practices that promote positive youth development. It is aimed at out-of-school time programs primarily, but used in over 4,000 networks.
Development of Short scale PYD - The Creation & Validation of Short & Very Short Measures of PYD by Geldhof et al of Tufts University, (e-mail John.Geldhof@ Tufts.edu) does some interesting things with the 5 factor C model using confirmatory factor analysis and exploratory factor analysis, but B.D. Hillaker's suggestion about YPQA seems to be worthy of further study as it presents a sort Maslovian hierarchial pyramid model of global needs for quality development.