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Sometimes it is useful to consider what a child is not doing in order to identify the significance of what the child is doing. Compare the persistence of this young girl as she presses two blocks together. Would she do this with wooden blocks? What does she know about these blocks that elicit the firm presses that we see? We suspect that she anticipates the blocks will stay together even if she holds them in midair. By observing the subtle actiions of young children we can figure out what they know or at least what they assume. The strategy reveals a theory.

Keywords: Ones, Blocks, Problem Solving, Spatial, Intentions
Length of video: 44 seconds