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Shen, Jianping; Ma, Xin; Cooley, Van E.; Burt, Walter L. – Journal of School Leadership, 2016
We collected data from 691 teachers from 139 schools in Michigan to validate the instrument titled Data-informed Decision-making on High-impact Strategies, designed based on Marzano's (2003) 11 high-impact strategies. Results of confirmatory factor analysis strongly supported the 11-factor model as the most valid approach to measure teachers'…
Descriptors: Principals, Data Use, Decision Making, Educational Strategies