Relative and absolute thinking in visual estimation processes

摘要: This study has two main goals: (1) to investigate the processes involved in visual estimation (part I of study), and (2) judgment situations, which mostly proportional reasoning II). The was conducted with 9-year old children third grade. Four strategies were expressed by situations. Exposure a unit Agam project, designed enhance capabilities resulted changes children's strategies. These reflected overcame their limited ability process information. development investigated through series Although, as expected, most showed an additive behavior, these situations stimulated some towards qualitative reasoning, where easy/difficult considerations played important role.