Instructional Alignment as Measure of Teaching Quality http://www.aera.net/Newsroom/RecentAERAResearch/InstructionalAlignmentasaMeasureofTeachingQuality/tabid/15510/Default.aspx VAM won't work lets just empower principals to handle staffing
Research Detects Bias in Classroom Observations http://www.edweek.org/ew/articles/2014/05/13/32observe.h33.html?cmp=SOC- @educationweek Outside validators less bias than principals