TAP CHi KHOA HOC DHSP TPHCM Nguyin Phir&c Hdi vd tgk x/PHAN TICH VA LITA CHON CAU HOI T R A C NGHIEM KHACH QUAN DU''''A T R | ; N BANG SP , PHAN TICH QUAN HE XAM VA DUOfNG CONG ROC NGUYEN PHUdC HAI", Dy[.]
TAP CHi KHOA HOC DHSP TPHCM Nguyin Phir&c Hdi vd tgk x/PHAN TICH VA LITA CHON CAU HOI T R A C NGHIEM KHACH QUAN DU'A T R | ; N BANG S P , PHAN TICH QUAN HE XAM VA DUOfNG CONG ROC NGUYEN PHUdC HAI", Dy T H N G N H A T " TOM TAT Muc dich ciia bdi viet ndy Id di xudt phucmg phdp phdn tich vd lua chgn cdu hoi trdc nghiem khdch quan (TNKQ) dua trin bdng S-P, phdn tich quan he xdm vd du&ng cong ROC Kit qud nghien cicu cho thdy phuang phdp ndy khong chi giup gido vien cdi thien chdt luong vd hiiu qud ciia viec thiet ki cdu hdi TNKQ md cdn sie dung di xdy dung ngdn hdng cdu hoi TNKQ Tit khda: cau hoi yac nghiem khach quan, bang S-P, phan tich quan he xam, duong cong ROC, ngan hang cau hoi ABSTRACT The analysis and selection of objective test items based on S-P chart, Grey Relational Analysis, and ROC curve The purpose of this paper is to propose the analysis and selection method of objective test items based on S-P chart Grey Relational Analysis and ROC curve Results showed that this method not only helps teachers to improve the quality and efficiency of designing objective test items buf also can be used to build an objective test item bank Keywords: objective test items, S-P chart, grey relational analysis, ROC curve, item bank Gioi thieu Viec sir dung ngan hang cau hoi va thi TNKQ hien dang dupc cac truang khuyen khich, nhien da s6 cac cau hoi TNKQ giao vien ty bien soan co the chua theo dung quy trinh, dac biet cac cau hoi sau sir dung thuang khong duoc phan tich, danh gia nen cac d8 thi hien la chua tot va chat luong chua cao Ket qua nghien cuu ciia bai viet se la tai lieu can thiet gop phan vao qua trinh cai thien chat lupng va hieu qua ciia viec bien soan va thilt ke de thi TNKQ, dong thoi gop phan nang cao kT nSng cua giao vien viec thi6t ki cau hoi TNKQ diing de kiem tra danh gia ket qua hpc tap ciia hpc sinh (HS) Sau day la phan gioi thieu so lupc ve bang S-P, phan ti'ch quan he xam va duong cong ROC Nam 1969, Sato da de xuat bang S-P (Student-Problem Chart), no dugc sir dung khong chi de chan doan va danh gia hpc tap, ma gop phan nang cao hieu qua ' GV, Tru'6'ng Cao d^ng S u phgm Kign Giang, Email- phuochai1979@gmail.com " NCS, Tru'dng Ogi hpc Su phgm Qu6c lap O^i Trung, Dai Loan 163 .50 Of /i) nam ^Vl5 I y lieu tnam Knao giang day Bang S-P cung cap thflng tin vfl he so chti y cua HS va he sfl chu y ciia cau hoi [8] Nam 1982, Deng da dfl xult li thuyfa he thflng xam (Grey System Theory) dfl phan tich quan he xam (Grey Relational Analysis - GRA) la mpt nhiing cong cu toan hpc dugc sir dung rit hiflu qua [2] Chirc nang cua no la dfl tinh toan cac sfl lieu roi rac va dinh lugng cac nhan tfl thflng qua slp xflp trinh tu dfl giai quyfa cac mfli lien he phiic tap gitia cac nhan tfl [9], [10] Trong nhQng nam gin day, GRA da dugc sir dung ttong rit nhiflu Hnh vuc, dac biet la frong Hnh vuc giao dye [4], [5], [6J, [7], [8] Ducmg cong ROC (Receiver Operating Characteristic) co ngufln gflc tir linh vuc quan su, no dugc ung dung frong viec phat hifln tau ciia djch fren man hinh radar Thfl chifln thit [1] Duong cong ROC da dugc inig dung chan doan va tien lugng y hpe rit cong [3] Trong nhiing nam gan day, ductag cong ROC ciing dupc su dung ITnh vuc giao due dfl phan tich, chan doan va danh gia qua frinh day hpc [5], [6] Hifln cac li thuyet ve bang S-P, phan tich quan he xam va duong cong ROC chua dugc sir dung phfl bien o Viet Nam, dac biflt la dimg de phan tich, chan doan va danh gia frong giao due Trong bai viflt nay, nguai nghifln ciru sir dung kflt hpp bang S-P, phan tich quan he xam va duong cong ROC dfl phan tich va lua chpn cau hfli trac nghiflm Phuong phap da dupc sir dung dfl phan tich sir nhan thuc sai (misconception) cua HS frong qua trinh hgc tap [6], [7] Hon ntta, ngucri nghifln ciru cfln sir dung phan mem MATLAB dfl thifa kfl mot hop eong cu MATLAB cho phan tich va lua chpn cau hoi trie nghiem Hop cflng cu MATLAB giup cho qua frinh tinh toan dl dang, nhanh chong, chinh xac, hien thi kflt qua va hinh anh tren giao difln dfl hga nguoi diing mpt each true quan sinh dpng Cff SOf li thuyet va phirong phap nghien cuu 2.1 Bdng S-P (Student-Problem Chart) Bang S-P dugc dfl xuit boi Takahiro Sato vao nam 1969 No thuong dimg dfl sjp xep, phan tich va phan lo^i kflt qua hpc tap cua hge sinh va eau hfli trie nghiem dua trfln he sfl chu y ciia hgc sinh (CS) va he sfl chu y eua cau hoi (CP) [8] Bangl Bdng S-P ^ ^ " ^ ^ g a u hoi (CH) H9C sinh ( H S ) ^ ^ ^ ^ ^ ^ So cSu hoi P,,j = \,2, ,n Tong diem CS Cao Sfl hgc sinh ^ =KU S„i=\,2, ,m t CS, Thap Tflng sfl HS tra lfli dung CP 164 Nhiflu