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Direct linkOttmar, Erin R.; Konold, Timothy R.; Berry, Robert Q.; Grissmer, David W.; Cameron, Claire E. – Learning Environments Research, 2014
Psychometric properties of 24 items from the fifth grade Early Childhood Longitudinal Study-Kindergarten Cohort Mathematics Teacher Questionnaire were investigated in a sample of 5,181 participants. These items asked teachers to report how often they had their classroom students engage in different mathematics content, skills and instructional…
Descriptors: Mathematics Teachers, Mathematics Instruction, Teaching Methods, Numeracy
Clarke, Ben; Baker, Scott; Smolkowski, Keith; Doabler, Christian; Strand Cary, Mari; Fien, Hank – Journal of Research on Educational Effectiveness, 2015
This study examined the efficacy of a core kindergarten mathematics program, Early Learning in Mathematics (ELM), a 120-lesson program with four content strands: (a) number operations, (b) geometry, (c) measurement, and (d) vocabulary. The study utilized a randomized block design, with 129 classrooms randomly assigned within schools to treatment…
Descriptors: Kindergarten, Young Children, Mathematics Instruction, Control Groups
Download full textUnlu, Fatih; Layzer, Carolyn; Clements, Douglas; Sarama, Julie; Cook, David – Society for Research on Educational Effectiveness, 2013
Many educational Randomized Controlled Trials (RCTs) collect baseline versions of outcome measures (pretests) to be used in the estimation of impacts at posttest. Although pretest measures are not necessary for unbiased impact estimates in well executed experimental studies, using them increases the precision of impact estimates and reduces sample…
Descriptors: Mathematics Instruction, Intervention, Pretests Posttests, Curriculum Design
