This case is part of a teaching experiment that sought to provide insight into how the use of mathematics technology affects the internal mathematical representations possessed by adult developmental mathematics students. Sequences of dot patterns were examined and analyzed by the participant. He then used the algebraic features of a dynamic,…

Discusses research on representational pictures, which share physical resemblance with the concept the picture represents; analogical pictures, which convey a concept; and arbitrary pictures, or highly schematized visuals related logically to the things they represent. The contributions of each type to adult conceptual learning and learning from…

Using a video sign-monitoring task in American Sign Language, this study investigated the effects of late exposure to a primary language on adult linguistic processing. Native signers were sensitive to errors in both verb agreement and aspect; early and late signers were only sensitive to errors in aspect morphology. Late exposure was found to…