%0 Journal Article %T A Randomized Trial of Teacher Development in Elementary Science: First-Year Achievement Effects %A Borman, Geoffrey D. %A Gamoran, Adam %A Bowdon, Jill %J Journal of Research on Educational Effectiveness %V 1 %N 4 %P 237-264 %@ 1934-5739 %D 2008-10-15 %I Taylor & Francis Group %~ DeepDyve