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Guarino, Cassandra; Dieterle, Steven G.; Bargagliotti, Anna E.; Mason, William M. – Journal of Research on Educational Effectiveness, 2013
This study investigates the impact of teacher characteristics and instructional strategies on the mathematics achievement of students in kindergarten and first grade and tackles the question of how best to use longitudinal survey data to elicit causal inference in the face of potential threats to validity due to nonrandom assignment to treatment.…
Descriptors: Academic Achievement, Mathematics Achievement, Educational Strategies, Teaching Methods