DDeveloping a new model of teacher effectivenessDeveloping a new model of teacher effectivenessde Doris W. RyanMateriasClassroom environmentEvaluationTeacher effectivenessTeachingEdiciones (1)Developing a new model of teacher effectiveness (1986)Ontario, Ministry of Education · inglésMás obras de Doris W. RyanMMastery learning
EEvaluation and synthesis of studies related to the effects oEvaluation and synthesis of studies related to the effects of class size, pupil-adult, and pupil-teacher ratios