Published by the National Institute for Excellence in Teaching (NIET), March 2012. This paper argues that, based on two recent studies, "job-embedded PD can be highly effective, but only when there is a sufficient infrastructure in place to support it." NIET's own program, TAP: The System for Teacher and Student Advancement, is such a program.
Cited studies: Biancarosa, G., Bryk, A.S., & Dexter, E.R. (2010, September). Assessing the value-added effects of Literacy Collaborative professional development on student learning.
The Elementary School Journal, 111(1), 7-34.
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Saunders, W.M., Goldenberg, C.N., & Gallimore, R. (2009, December). Increasing achievement by focusing grade-level teams on improving classroom
learning: A prospective, quasi-experimental study of Title I schools.
American Educational Research Journal, 46(4), 1006-1033
While this analysis seems somewhat biased (clearly written in support of NIET's own program), many of the characteristics of their program match work that KPI has done in PD.
Scientists have discovered proof that the evolution of intelligence and larger brain sizes can be driven by cooperation and teamwork, shedding new light on the origins of what it means to be human. The study appears online in the journal Proceedings of the Royal Society B and was led by scientists at Trinity College Dublin: PhD student, Luke McNally and Assistant Professor Dr Andrew Jackson at the School of Natural Sciences in collaboration with Dr Sam Brown of the University of Edinburgh.