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Rohrer, Doug; Dedrick, Robert F.; Hartwig, Marissa K.; Cheung, Chi-Ngai – Journal of Educational Psychology, 2020
We report the results of a preregistered, cluster randomized controlled trial of a mathematics learning intervention known as interleaved practice. Whereas most mathematics assignments consist of a block of problems devoted to the same skill or concept, an interleaved assignment is arranged so that no 2 consecutive problems require the same…
Descriptors: Randomized Controlled Trials, Mathematics Instruction, Grade 7, Assignments
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van den Berg, Ed; Hoekzema, Dick – Physics Education, 2006
Lessons about elementary particles at the secondary school level can degenerate into listing a zoo of particles and reactions, resulting in disorganized and rather meaningless knowledge. A more powerful way is to focus on conservation laws, symmetries and reaction diagrams. The conservation laws and symmetries provide generalizing power that…
Descriptors: High Schools, Foreign Countries, Pilot Projects, Teaching Methods
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Famoso, Barbara; La Rocca, Paola; Riggi, Francesco – Physics Education, 2005
An educational study of the barometric effect of cosmic rays was carried out using an inexpensive experimental set-up that allowed for long-term monitoring of atmospheric pressure and cosmic ray flux as measured in a Geiger counter. The investigation was intended as a pilot study in view of ongoing involvements of high-school teams operating…
Descriptors: Physics, Science Instruction, Pilot Projects, High Schools
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Hall, Angela; Reiss, Michael J.; Rowell, Cathy; Scott, Anne – Journal of Biological Education, 2003
Salters-Nuffield Advanced Biology is a new advanced level biology course, piloted from September 2002 in England with around 1200 students. This paper discusses the reasons for developing a new advanced biology course at this time, the philosophy of the project and how the materials are being written and the specification devised. The aim of the…
Descriptors: Foreign Countries, Instructional Design, Pilot Projects, Educational Technology