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Direct linkLan, Yu-Ju; Sung, Yao-Ting; Tan, Ning-chun; Lin, Chiu-Pin; Chang, Kuo-En – Educational Technology & Society, 2010
This study implemented a three-stage problem-based estimation instruction scenario and combined it with mobile technology to provide elementary teachers with an effective e-tool for observing student estimation and leading effective class or group discussions on the selection and assessment of appropriate strategies for solving daily estimation…
Descriptors: Foreign Countries, Experimental Groups, Control Groups, Elementary School Students
