NGHIEN CUU & UNG DUNG NGHIEN CUU X A Y DUNG HE THONG SO DO CO THE HOC SINH NUTIEU HOC T H A N H PHO H A NOI Ld Thj Nggc Anh, Trudng DHBKHa Ngi Bui Thi Loan, Trudng Dgi hgc Sao Do I DAT VAN DE Hien nay[.]
NGHIEN CUU & UNG DUNG NGHIEN CUU X A Y DUNG HE THONG SO DO CO THE HOC SINH NUTIEU HOC T H A N H PHO H A NOI Ld Thj Nggc Anh, Trudng DHBKHa Ngi Bui Thi Loan, Trudng Dgi hgc Sao Do I DAT VAN DE Hien nay, he thdng cd sd ca the da dugc tieu ehuan hoa mdi qudc gia nham phuc vu cho cac ngdnh cdng nghiep sdn xuat cac mat hang tieu diing phye vu true tiep cho ngudi Dac biet, vdi liia tudi hpe dudng viec nghien cuu xay dung he thdng cd sd CO the ngudi nham ddp ung nhu cau thiet ke, sdn xuat cdc sdn pham ddng phye hpe sinh ddm bdo sy vira van vd tien nghi; cung cap diJ lieu nhan trac phuc vu cho viec thiet ke che tao dimg hgc tap danh cho hgc sinh Ve mat sinh hgc, tre em cd dac diem hinh thai, sinh iy ciing nhu tdc dp tang trudng khac ngudi ldn, khdng ddng deu giiia cdc liia tudi, dan tdc vd gidi tinh lai thudng xuyen thay ddi theo khdng gian va thdi gian Tir trudc cho din nay, chiing ta van su dung sd lieu nhan trac ciia nhirng nam 1986,1994 [8] Gdn day nhdt cd cac cdng trinh nghien cmi khoa hgc [2,4,7] ve hinh thdi CO the tre em va xay dimg he thdng ca sd eo the hpe sinh nhung cdn chua he thdng vd ddy du v l ndi dung nghien cuu Nham gdp phdn xay dimg bp sd lieu co sd img dyng nganh may mac va mgt sd nganh kinh te khde chiing tdi da tien hanh: "Nghien cuu xdy dung he thdng ca sd ca the hgc sinh nir tieu hgc thdnh phd H:i Ndi", Chiing ldi da thyc hi?n cupc dieu tra khdo sdt nhdn trac hgc 11 NQI DUNG VA KET sinh nu- tieu hpe (HSNTH) cd dp tudi - 1 tudi cd co the QUA NGHIEN CUU binh thudng ve mat nhan trac, I MQt so khai ni^m - Nhdn trac hoc Id mdt hgp tdc tdt Sd mdn khoa hgc nghien ciru hinh lugng mau khao sat la 782 em ddng CO the ngudi nhu tai cdc trudng TH Mai Dgng hinh the, kich thudc, cau triic quan Hoang Mai, trudng tieu CO the ngudi nham dua qui hgc Le Van Tam, TH Tay Son ludt ve sy phat trien hinh thai quan Hai Ba Tnmg Sii dung ngudi ddng thdi iing dung phucmg phap nghien cuu md cdc qui luat vdo viec giai ta cat ngang va tien hdnh quyet nhiing yeu cdu thyc tien tryc tiep cdc kich thudc chieu cua khoa hoc, k! thuat, thiet cao; chieu rgng; be day vd ke sdn xuat cac san pham tieu kich thudc vdng cua ca the cdc em HSNTH Cdc moc diing phuc vu cho ngudi - Kich thudc nhdn trdc Id dugc xdc dinh bdi cac moc cac kich thudc cua ca the gidi phdu xuong, co tuong ngudi dugc chia bdn ung [1,10] Phuong phdp nhdm kich thudc: chieu cao; dac theo diing tieu chudn [7,9] chieu rdng; be day va kich va xir ly sd lieu bang phuang phap thdng ke sinh hgc thudc vdng cua ca the - Kich thudc chu dgo Id Xdy dung he thdng cd sd kich thudc dac tnmg nhat cua co the HSNTH thuc hien tudn CO the, tuan theo qui ludt phan ty theo cac budc: mot Id xdc bd chudn va cd mdi tuang dinh cac kich thudc nhan tide quan vdi tat cd cac kich thudc hai Id xdc dinh kich thudc chii nhan trac khde dao tiong tap hgp cdc kich - Budc nhay Id khodng cdch thudc nhdn tiac vd ba la tien giiia cd sd lien tiep cua hanh xay dung he thdng ca sd kich thudc chu dao Budc CO till HSNTH nhdy dung de phan nhdm cdc a Kich thtrdc nhan trdc Trong phan phdi thuc dang co the ngudi cho cdc dang ca the ngudi tiong ciing nghiem cac d^c trung thdng mdt nhdm sir dung chung mpt ke: trung binh cgng (M), trung san pham deu cam thdy vira vi (Me), dg lech ehuan (g> cho biit dac tinh trung tdm, dp van chenh lech giua cac gid tri so Ket qua nghien cihi Ngdy nhgn bai 20/9/2012, Ngay duy4t dang 25/10/2012 TAP CHI THIfT BI GIAO DUG - SO 87 -11/2012 • NGHIENClAJ SUNG DUNG Bangl Kich Ihm'rc nhan trie HSNTH TT '"^ , 'iWii Ki hifii-^ So Ccl C'hicu cao ca [lie Cliicu cao doi soilf; co den m$l d^l Cilsc7-(l Chieu cao lir dau vai Irotig den m^t Clic-il d^t |Vii2 V6nR n[iuc Vni V6nB monj; 112')?" 119,22 9«.06 91.(14 Vm Vd 0.87 0.77 0.25 0.31 0.16 0.13 0.43 0.33 TAP CHI THIET BI GIAO DMC - 50 87 - U/2012 10 11 129.45 108.41 133.47 112.24 140.82 119.05 90.67 96.74 101.37 106 60 110.70 117.40 58.36 (i3.5l S9.66 65.47 60.70 67.93 63.21 71.14 66.03 74.26 68.29 Bude 1: Xac dinh kich vdi gia tri trung binh, dg tan man ciia cdc thdng sd kich thudc chinh day 45 kich thudc Ket qud tinh cdc d^c thudc nhdn Irdc bdng kT thu^t tnmg thdng ke ciia cdc thdng phan tich thdnh phan chinh sd kich thudc nhan trdc theo phdn tich so li?u da timg lira tudi ciia HSNTH chieu [6], Ket qua phdn tich dugc xii ly tren phdn mem thdnh phdn chinh dugc trinh SPSS 18 vd dugc trinh bdy bdy nit gpn bdng Dya vdo ket qua phan tich bdng Ket qua nghien ciiu cho tren vd ket qua nghien curu thdy gid tri trung binh ciia cac trudc day ve xdy d^ng h? kich thudc tang len theo timg thdng cd sd quan tre em dp tudi dieu hoan toan phii cua cdc nudc tren the gidi de hgp vdi quy luat phdt trien tdi lya chpn kich thudc chii chung cua tre Trung binh tang dao la kich thudc chieu cao mgt tudi tie cao len 5-6cm, CO the vd kich thu-dc vdng kich thudc vdng nguc vd vdng mong Bu-dc 2: Chimg minh qui mdng tang tmng binh 2-3 cm Trong cdc sd vdng thi sd luat phan phdi ciia kich thudc vdng mdng tang dn dinh hem chii dao tuan theo qui ludt phan phdi ehuan theo cdc dieu so vdi cdc sd vdng khde b Xdc dinh kich thudc ki?n sau [5]: Gia tri trung binh M chu dgo Xac dinh kich thudc chii phdi gan vdi sd trpi Mo vd sd dao cua he thdng cd sd ca the trung vj Me He sd bdt ddi ximg [SK] dugc thyc hien theo hai budc: Bdng Bdng ma trgn hf so tmmg quan giia cdc kich thudc chu dao vd cdc kich thu&c khac So Ma ran saL l