Clara Martínez-Cao, Ainoa García-Fernández, Leticia González-Blanco, Pilar A Sáiz, Julio Bobes, María Paz García-Portilla
Anticholinergic load: A commonly neglected and preventable risk to cognition during schizophrenia treatment?
Schizophrenia research. Cognition
majority mistakes students make using welllearned decimal counting attributed miscomprehension structure arrangement positional numeral system digital support may merely serve illustrative training function may provide special environment locating problem positional counting part meaningful actions students following activity approach aimed scaffold students learning actions way reveal origin multidigit number concept thus used counting otherbase systems way students reconsider reasoning behind familiar operations common baseten system purpose paper present approach computer support designed based analysis activity content related multidigit number concept discuss preliminary results first training series approach educational environment design developed within learning activity theory defines ways computer becomes essential computer provide transparent interface allows students perform transformations objects react accordingly additional opportunities perform conceptmediated orientation procedures also scaffolded digital means purposes study computerbased educational module interstellar wanderers designed four groups students 2nd 5th grade 812 years age 20 children total participated experimental computerbased lessons 30 hours classroom observations videotaped discussions logs students individual work computer simulation used analysis preliminary results experimental teaching showed computer support developed may scaffold students progress toward acquisition multidigit number concept reflective rethinking welllearned decimal system yet research needed get quantitative analysis students performance general principles computer support design based activity approach education galperin davydov talyzina demand thorough analysis origin concept studied well design appropriate content means students actions corresponding contexts tasks digital means designed support students learning activity demand bring promising results