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Wilkerson, Trena L.; Cooper, Susan; Gupta, Dittika; Montgomery, Mark; Mechell, Sara; Arterbury, Kristin; Moore, Sherrie; Baker, Betty Ruth; Sharp, Pat T. – Journal of Research in Childhood Education, 2015
This study examines the effect varying models have on student understanding of fractions. The study addressed the question of what students know and understand about fractional concepts through the use of discrete and continuous models. A sample of 54 students in kindergarten and 3rd grade were given an interview pretest, participated in…
Descriptors: Investigations, Mathematics, Mathematical Models, Elementary School Mathematics
Konstantopoulos, Spyros; Sun, Min – School Effectiveness and School Improvement, 2014
Teachers spend most of their time in school in classrooms, and their instruction and teaching practices may be affected by classroom context such as class size. We examine whether teacher effects interact with classroom context such as class size. Specifically, we seek to determine whether teacher effects are more pronounced in small classes than…
Descriptors: Small Classes, Teacher Effectiveness, Class Size, Effect Size
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Lowman, Joneen – Computers in the Schools, 2014
The study investigated the impact of podcasts and vodcasts accessed through an iPod on fourth-and sixth-grade students' vocabulary acquisition. Students were randomly assigned to either a podcast group or a vodcast group. Regardless of group assignment, each student completed three six-minute podcasts or vodcasts a day for three days. On average,…
Descriptors: Multimedia Materials, Technology Uses in Education, Grade 4, Grade 6
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Ozsoy, Sibel; Ertepinar, Hamide; Saglam, Necdet – Asia-Pacific Forum on Science Learning and Teaching, 2012
This study was conducted to investigate the effects of eco-schools on elementary school students' environmental literacy levels. Data of the study were gathered from 316 students enrolled to two elementary schools. One of the schools was determined as experimental group (n = 156) and students attending this school received eco-school application.…
Descriptors: Environmental Education, Measures (Individuals), Control Groups, Experimental Groups
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Ilyas, Bhutto Muhammad; Rawat, Khalid Jamil; Bhatti, Muhammad Tariq; Malik, Najeeb – International Journal of Instruction, 2013
It is a bitter reality that the curricula and traditional pedagogy prevailing in public schools of Pakistan in general and Sindh in particular do not incorporate the algebraic concepts properly. Both the content and the presentation therein cannot be considered up to the mark, thereby making "Algebra" a tough and dry subject. This…
Descriptors: Algebra, Public Schools, Foreign Countries, Control Groups
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Fuchs, Lynn S.; Fuchs, Douglas; Craddock, Caitlin; Hollenbeck, Kurstin N.; Hamlett, Carol L.; Schatschneider, Christopher – Journal of Educational Psychology, 2008
This study assessed the effects of small-group tutoring with and without validated classroom instruction on at-risk students' math problem solving. Stratifying within schools, 119 3rd-grade classes were randomly assigned to conventional or validated problem-solving instruction (Hot Math, schema-broadening instruction). Students identified as at…
Descriptors: Intervention, High Risk Students, Problem Solving, Effect Size