Research Detects Bias in Classroom Observations http://www.edweek.org/ew/articles/2014/05/13/32observe.h33.html?cmp=SOC- @educationweek Outside valida
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
By Greg McVerry · Permalink · Original tweet
