Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2021-10-01 Publisher: Educational Science Press Visible Learning is a 30-year educational empirical study initiated by John Hardy. which conducts a meta-analysis of 252 factors that affect student learning The synthesis involves a sample of hundreds of millions of students.?Harty confirmed the results of quantitative research and his rich first-line teaching experience. and proposed a full set of solutions to promote teachers' professional development bas. Bestandsnummer des Verkäufers NW030184
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