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Download full textAkhmetzyanova, Anna I. – International Journal of Environmental and Science Education, 2016
The relevance of this problem is related to the urgent need to explain peculiarities of anticipation and probabilistic forecasting in adolescence. It has revealed a contradiction: on the one hand, the problem of anticipation in ontogenesis is well developed, and, on the other hand, there remain understudied mechanisms of anticipation in…
Descriptors: Probability, Prediction, Adolescents, Foreign Countries
Direct linkNichols, Kim; Stevenson, Michael; Hedberg, John; Gillies, Robyn Margaret – Cambridge Journal of Education, 2016
Eighteen primary teachers across three conditions (Representational Fluency, Representational Agency, Comparison) received two days of training around an inquiry unit on plate tectonics replete with representations. The Representational Agency group also received training around the semiotic and material affordances of representations while the…
Descriptors: Elementary School Teachers, Foreign Countries, Pretests Posttests, Interviews
Agaliotis, Ioannis; Teli, Afroditi – Journal of Education and Learning, 2016
The effectiveness of two instructional interventions was investigated in the context of teaching Arithmetic Combinations (ACs) of multiplication and division to students with Learning Disabilities (LD) or Mild Intellectual Disability (MID). The intervention for the control group (LD = 20, MID = 10) was based on principles of effective instruction,…
Descriptors: Teaching Methods, Mathematics Instruction, Learning Disabilities, Mild Intellectual Disability
Magidson, Jay; Sorbom, Dag – 1980
Evaluations of social programs based upon quasi-experimental designs are typically plagued by problems of nonequivalence between the experimental and comparison group prior to the experiment. In such settings it is extremely difficult, if not impossible, to isolate the effects of the program from the confounding effects associated with the…
Descriptors: Control Groups, Correlation, Evaluation Methods, Experimental Groups
