Patrik Voštinár
Teaching programming using eduScrum methodology
PeerJ. Computer science
number line accuracy nl accuracy shows improvement course school education however practically crosscountry longitudinal studies nl accuracy whole course elementary school study investigated developmental trajectories nl accuracy types across elementary school years two countriesrussia kyrgyzstan analyses carried data collected sample 508 schoolchildren grades 1 2 3 4 aged 64119 years russia kyrgyzstan surveyed part crosscultural longitudinal analysis student success project participants administered number line computerized test task paperandpencil standard progressive matrices test end academic year course elementary school education nl accuracy increases nonlinearly samples grade 1 grade 4 pronounced increase rate improvement first second year crosscountry differences nl accuracy observed year schooling well growth nl accuracy development nl accuracy described model two developmental types 1 high start growth 93 pooled sample 2 low start growth 7 nl accuracy rate growth elementary school depend educational conditions crosscountry differences distribution schoolchildren two developmental types statistically insignificant