Exploring Children's Data Modeling

摘要: Elementary students' reasoning about data modeling is explored by conducting two design experiments. In the first experiment, a class of fifth-grade students worked in six different teams to develop hypermedia documents Colonial America. Students compared lifestyles colonists with their own lifestyles. To this end, 10 "data analysts" developed survey, collected and coded data, used dynamic notations computer-based tool, Tabletop (Hancock, Kaput, & Goldsmith, 1992), examine patterns interest data. Our general approach was let thinking displayed one session analysts provoke steer tasks problems posed next session. Analysis student conversations, including dialogue teacher-researcher, indicated that construction an important preamble description inference. Moreover, ideas many elements were tied closely forms...