DAY DAY - HOC - VI MO vA vAN - DUNG - HOC - VI MO TRONG REN LUYEN K1 NANG DAY HOC ThS TRLJONGTHANH MAI* D~y hQc vi me (DHVM), v~n dlJng DHVM ren luy~n ki nang d~y hoc (KNDH)tran the giai DHVM Iandau tien dllQ'Cnghien CUuva khOiXll6ng t9iTnrong 89i hoc (8H) Stanford (Hoa Ki) bOigiao su D.W.Allen cling c¢ng su la Robert Bush va Kim Romney (1963), vo; rnuc dich boi dllang giao vien (GV) motvao ngha motcach cap tac, hi~u qua Nhting Ii thuyet co ban va DHVM dllQ'Ctrinh bay bao cao tom tAt cua D.W Allen vai ten Microteaching - A description(1967)(1) VaothOidiem nay, DHVM dllQ'C djnh nghia "La m