Playing sports yuav kawm tau ntawv zoo dua

Tsev kawm qib siab University of Sydney tau muaj ib cov kev teeb txheeb nrog tej me nyuam yaus tshaj 4,000 tus uas muaj hnoob nyoog 4 xyoos txog 13 xyoos ces pom tau tias tau txais txiaj ntsim ntau yam li 'xeem tau NAPLAN results zoo dua, rau siab kawm, cim xeeb zoo, tsis tshua qhaj thiab muaj cib fim yuav tau mus kawm tsev kawm qib siab ntau dua'.