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Tap chi khoa hgc Trffdng Dgi hgc Quy Nhcfn So 1, Tap VI ndm 2012 KIEIVL TRA, DANH GIA KET QUA HQC TAP CUA SINH VIEN BANG PHlJOfNG PHAP CHAM TRAC NGHIEIVI KHACH QUAN TVJDQNG NGUYEN LEHA^ I M6DAU Cong t[.]
Tap chi khoa hgc Trffdng Dgi hgc Quy Nhcfn So 1, Tap VI ndm 2012 KIEIVL TRA, DANH GIA KET QUA HQC TAP CUA SINH VIEN BANG PHlJOfNG PHAP CHAM TRAC NGHIEIVI KHACH QUAN TVJDQNG NGUYEN LEHA^ I.M6DAU Cong tac kiem tra, danh gia ket qua hoc tap (KT, DG KQHT) etja sinh vien la mot phan khong the thieu qua trinh dao tao, va co y nghia vo cCing quan do'i vdti sinh vien, giang vien, can bo quan ly giao due, nha trffdng Hoat dong KT, DG KQHT giup cho giang vien danh gia dffdc ke't qua hoc tap cua sinh vien mot each khach quan, nhanh chong, chinh xae, qua cac nha quan ly giao due nam bat dffdc thffc trang viec giang day va hoc tap nha trffdng, tff co nhffng bien phap kip thdi dieu ehinh de boat dong giang day va hpc tap dat ke't qua Viec danh gia khach quan KQHT se gop phan nang cao hieu qua day-hoc, dong thdi la dong Iffc thuc day phat trien tinh tich cffe hoc tap cua sinh vien Kiem tra, danh gia la cd sd de danh gia trinh nhan thffc ciia sinh vien so vdi muc tieu dao tao, neu thffc hien tot boat dong KTDG mot each khach quan, nhanh chong, chinh xac la yeu to tao nen chat Iffdng dao tao, gop phan quyet dinh sff ton tai va phat trien cua nha trffdng The ky XXI, mot ky nguyen ciia sff toan cau hoa, kinh te'tri thffc, cong nghe cao, dac biet la linh vffe dien tijT, cong nghe thong tin, Chinh vi the, giao due va dao tao dffdc coi la mot ye'u to' quan thiic day sff nghiep CNH-HDH da't nffdc, dffa dat nffdc bat kip toe do, xu hffdng phat trien ky nguyen mdi cua the' gidi Hien nay, cong tac KT, DG KQHT dffdc ap dung bang nhieu hinh thffc khac nhff: tff luan, van dap, trac nghiem khach quan, Trong do, hinh thffc kiem tra ti-ac nghiem khach quan chi mdi xuat hien d Viet Nam nhffng nam gan day, nhffng da dem lai mot so hieu qua nhat dinh, vdi nhffng ly sau: Trac nghiem khach quan vdi thdi gian kiem tra ngan, cd kha nang kiem tra kien thffc nhieu hdn va d dien rong, hinh thffc lam bai ddn gian d hinh thffc kiem tra viet, mac du c6 dap an, thang diem nhffng van co sff danh gia chenh lech giffa cac giang vien cham vdi ffinh thffc trac nghiem khach quan se loai bo ye'u to^ - Cham trac nghiem khach quan tff dong dffdc thffc hien nhanh chdng, dffa ket qua danh gia chinh xac, khong cd chenh lech diem giffa hai ngffdi cham cung mot bai lam 136 NGUYEN LE HA' Dc xay dffng mot he thd'ng chain thi triic nghicm khach quan tff dong doi hoi tinh ky tbuiil cao, quy trinh nghiem ngat Iff dau, dong thdi ngffdi suf dung he thong phai dffdc tap huan Vi vay hipn phffdng phap van chffa dffdc suf dung rpng rai LL PMn tich giai phap Hien eo hai hinb thffe thi trac nghiem bien dang dffdc ap dung: * Hinh thirc kiem tra trdc nghii'in tren niuy tinh Sinh vien nhiip thong tin de dSng nhap vao be tho'ng (hp va ten, so bao danh ), sau tien hanh liim b^i tren may tinh Phan mem thi trac nghiem se tinh thdi gian va cho ket qua diem ngay, dong thdi cap nhat diem vao cd sd dff lieu, in ket qua danh gia * Hhdi thffc kli'in tra trdc nghiem tren gluy Sinh vien lam bai tren giay, sau dd rpc phdch, giao vien cham bai va cho diem nbff kiem tra vie't, dieu kien thffc te hien gido vien thffdng suf dung bia due lo lam dap an de cham bai thi Hinh thffc kiem tra trac nghiem tren mdy tinh se cd lAi va nhffdc diem, cu the: tfu diem: Cd sd dff lieu de va dip an da dffdc Iffli trff ben may tinh, chffdng trinh se tff dpng xuT ly thong tin, dff lieu sud't qua trinh lam bai thi cua sinh vien, sinh vien se nhan dffdc ket qua sau lam bai, diem thi dffdc cap nhat vao cd sd dff lieu, ca qua trinh dffdc thiet ke va lap trinh de xuf ly iff dpng theo quy trinh chuan hda tff dau, dd se tranh dffdc sai sot - Nhifgfc diem: Khi trien khai thffc hien can ed cd sd tang thiet bi dam bao, trang bi so' Iffdng may tinh nhieu (01 sinh vien/may), cd the phat sinh van de ve sff co may tinh, sff cd' ve dien Mat khac viec kiem tra tren may tinh cung ciin phai cd cong tac tap huan va chuan bi ky cho ca sinh vien va can bp coi thi Hinh thffc thffdng ap diing kbi da du cac dieu kien trang thiet bi, eae ky thi cd so Iffdng sinh vien vHa phai Hinh thffc kiem tra tr^c nghiem tren giay se tranh dffdc nhffng ban che ciia hlnh thffc kiem tra trac nghiem tren may tinh Tuy nhien neu diing cac each cham thi tr^c nghiem tren giay b^ng phffdng phap cham thii cong neu tiren thi van gap nhffng ban che nhff thi vie't Dd la thdi gian cham bai lau, tinh chinh xac khong cao, de phat sinh sai sdt khau xuf ly nhap diem va liTu trff diem, vdi so' cau hoi bai thi nhieu giao vien cham rat khd khan 1.2 Liia chpn giai phap Tff nhffng phan tich tren, chiing toi nhan thay cd the ket hdp ca hai phffdng phap tren, nghia la cho kiem tra tren gia'y va thie't ke' he thdng may cham thi trac nghiem KIEM TRA, DANH GIA KET QUA HOC TAP CUA SINH VIEN 137 ma ke't qua cd the tff ddng chuyen vao cd sd dff lieu va xuat ke't qua cua tffng sinh vien thdi gian ngan nha't Bai toan tren da dffdc giai quye't mpt each hieu qua nha't theo npi dung dffdi day NOI DUNG 2.1 H$ thd'ng chSfm thi trac nghicm khach quan ti/ dpng 2.1.1 Md hinh / i | tho^ng chdm thi trac nghicm sff dung tren mdy tinh Dau vao Ml; r i K ) \ ( ; c i i \ M IKAC N C I I I I M Danh sach sinh \ iC-n Hp va ten So bao danh fr ^ Dau Phun mC-m xir ly liim bai \ ;i cham trac ni'hicm Ket qua kiem tra ciia sinh vien Cau hoi, dap an Bai thi trac nghiem MA^ KIEM T R \ TRAC NGHIEM Hinh Mo hinh he thdng chdm thi trac nghiem tren mdy tinh Hogt dgng cua hi thdng chdm thi trac nghiem khdch quan trin mdy tinh gdm mgt sdbudc chinh dugc mo td nhff sau: + Dau vao cua he tho'ng: Tao ngan hang cau hdi va dap an cho cau hdi Iffu vao cd sd dff Ueu cua he tiid'ng Tao mlu cho bai thi trac nghiem, sinh vien se thi trffc tie'p tren mau dffdc tao tff he thd'ng Danh sach sinh vien, hp va ten, so' bao danh sinh vien dff thi dffdc nhap vao may tinh thdng qua phan mem "trac nghiem" Bai thi trac nghiem dffdc he thd'ng may cham thi trac nghiem xuf ly -I- Dau cua he thd'ng gom: Dau cua he thd'ng kiem tra trac nghiem la ke't qua cham bai dffdc hien thi tren may tinh, in va Iffu trff cd sd dff Ueu ket qua NGUYEN Li: HA" 38 2.1.2 Mdy chdm trdc nghicm khdch quan tU dgng RS232 < SIKI'MOTOR DRIVER MICRO CONTROLLKR ^ 80C51 ; SKNSOR O GO O ^O O GO G GG G • G • G G G GG • G G G G G G • G G G • G ^ Nhap thong tin sinh vien • • • 06 in (W • • • Phan lam bai w • 1(1 » • ^ -"^ Nhan dang hang ciia cau tra ldi Hinh Cdc vCing thdng tin tren gidx thi Kit qud nhdn dgng cdc dugc to d phdn sd bdo danh vd bdi ldm: - So' bao danh v^ phan bai lam cua bang tren sau dffdc dffa qua he thd'ng quel nhan dang dffdc bieu dien nhff cac ma tran ben dffdi KIEM TRA, DANH GIA KET QUA HOC TAP CUA SINH VIEN O O 0 Mj o O i O o O o O o O O O O O 0 O O O O 0 0 0 0 0 0 1 0 0 0 0 l 0 O 0 0 0 O O O 1 0 Hinh Nhdn dgng cdc d tren bdi ldm Nhffng d dffdc ghi bang sd' la phan dffdc td kin d vung so' bao danh va bai lam KET LUAN Hinh thffc kiem tra, danh gia ke't qua bpc tap bang phffdng phap trac nghiem khach quan tff dpng da giai quye't dffdc cd ban viec kiem tra khd'i Iffdng kie'n thffc d dien rpng, cha'm thi trac nghiem vdi so' Iffdng sinh vien nhieu He thd'ng dffdc van dung td't se cho ke't qua cha'm thi nhanh bdn va loai bd hoan toan cac ban cbe cua phffdng phap cham thi trac nghiem truyen thd'ng, vi vay can phai tich cffe trien khai dau tff nghien cffu xay dffng, phat trien he thd'ng ffng dung de gdp phan tich cffe viec nang cao hieu qua dao tao TAI LIEU THAM KHAO [1 Tran Kiem, Khoa hgc td chffc vd qudn Ix gido due, Nxb DHSP, (2010) [2 Dffdng Thieu Tong, Trac nghiem vd ludng thdnh qud hgc tap, Nxb Khoa hoc xa hoi, (2005) [3 Lam Quang Thiep, Trdc nghiem vd ffng dung, Nxb Khoa hoc \a Ky thuat, (2008) [4 Ngo Dien Tap, Do ludng & dieu khien bang mdy tinh, Nxb KHKT, (1999) [5 Ngo Dien Tap, Kx thugt ghep ndi mdy tinh, Nxb Khoa hoc ky thuat, (2000) [6 D6 Xuan Tien, Ky thugt Vi xff ly vd lap trinh Assembly cho he vi xff Ix Nxb Khoa hoc ky thuat, (2001) [7 DffOng Minh Tri, Linh kien quang dien tff, Nxb Khoa hoc ky thuat, (1998) [8 Duong Minh Tri, So chdn linh kien dien tff, Nxb Khoa hoc ky thuat, (1998) [9 "The 8051 Microcontroller", I.Scott Mackenzie 142 NGUYEN LE HA" SUMMARY i l S r i N C AND I'VALUATINC STUDENTS' STUDY RESULTS BY AUTOMATK^ OIUIX riVE l.STS Nguyen Le Ha Testing and cxakiating study results play an important role in the teaching process TIK'\' determine the trainni.L' quality, cxisknte and development of a school Automatic obJeeliNe tesis have been \\ itiely applied in many educational organizations all over the world, and they ha\e sliown L'ood results Automatic objeetive tests cheek the vast volume of know ledge and a large number of students The marking process is automatic, rapid and highly accurate The data are automalieally stored in computers, which is easy in printing and processing icsults and helps avoid errors in data entry stage compared with traditional wav of markini! "Hdc \icn li ... nhieu (01 sinh vien/may), cd the phat sinh van de ve sff co may tinh, sff cd'' ve dien Mat khac viec kiem tra tren may tinh cung ciin phai cd cong tac tap huan va chuan bi ky cho ca sinh vien... thdng may cham thi trac nghiem KIEM TRA, DANH GIA KET QUA HOC TAP CUA SINH VIEN 137 ma ke''t qua cd the tff ddng chuyen vao cd sd dff lieu va xuat ke''t qua cua tffng sinh vien thdi gian ngan nha''t... he tiid''ng Tao mlu cho bai thi trac nghiem, sinh vien se thi trffc tie''p tren mau dffdc tao tff he thd''ng Danh sach sinh vien, hp va ten, so'' bao danh sinh vien dff thi dffdc nhap vao may tinh