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7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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4/11/2005Bi Th Duy - B mn Mng v TTMT2
GiGiiithithiuumnmnhhcc
Ging vin: TS. Bi Th Duy B mnMng & TTMT, phng 304, nh E3 Email: [email protected]
Gihc: Chiu th 2, th 4 hng tun2pm-5.20pm, phng 210, 14C Website mn hc:http://www.fotech.vnu.edu.vn/coursesChn mn: HCI
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4/11/2005Bi Th Duy - B mn Mng v TTMT3
MMcctiutiumnmnhhcc Xy dng kh nng thit k tt cho nhng h
thng tng tccc mc k thut, tnh nng vnhn thc (cognitive) thng qua s hiu bit vcc thch thcangi mt vi nhng ngidng ca mt h thng;
Thu c mt quy trnh lm vic hp l thitk giao din;
Khm ph v yu thch mn hc Tng TcNgi My.
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7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
4/1414/11/2005Bi Th Duy - B mn Mng v TTMT4
GiGiiithithiuuchungchung
Tng tc ngi my (HCI) l g?Nhng chuyn ngnh lin quann HCI Ti s a o mt hc sinh CNTT phi quan tm
n HCI Tm quan trng ca mt vic thit k tt
mt giao din ngi dng
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7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
5/1414/11/2005Bi Th Duy - B mn Mng v TTMT5
TngTngttccngngiimmyy(HCI)(HCI) llgg??
HCI l snghin cu v pht trin cc giao dinmy tnh vi mcch lm cho ngi dng dsdng chng hn.
HCI: tng tc ngi my, giao tip ngi myKHNG CH L: thit k giao din !!!!! HCI lin quann
Nghin cu vic con ngi s dng cc giao din Pht trin ccng dng mi cho ngi dng
Pht trin cc thit b v cng c mi cho ngi dng
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7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
6/1414/11/2005Bi Th Duy - B mn Mng v TTMT
6
NhNhngngchuynchuynngngnhnhlinlinquanquannnHCIHCI
HCI lin quann nhiu ngnh HCI nghin cu 3 phn:
Hnh thc: cc hnh thc giao tip gia ngi
v my Chc nng: cc chc nng mi trong giao tip
ngi my. Cit: Cit cc giao din
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7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
7/1414/11/2005Bi Th Duy - B mn Mng v TTMT
7
NhNhngngchuynchuynngngnhnhlinlinquanquannnHCIHCI
Tm l hc, x hi hc, trit hc: chcnng Sinh l hc, Cng thi hc (Ergonomics):
chc nng, hnh thc
Cng thi hc (Ergonomics): Khoa hc vvicthit kcc my mc, cc cng c, cc my tnhv khu vc lm vic vt l, sao cho mi ngi d
tm thy chng v tho
i mi trong s
dng.
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4/11/2005Bi Th Duy - B mn Mng v TTMT8
NhNhngngchuynchuynngngnhnhlinlinquanquannnHCIHCI
Thit k ha v cng nghip, thit km thanh, innh: hnh thc, chc nngv cit
K nghphn mm: chc nng v cit K thutin, in t: cit
v c th cc ngnh khc ...
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TTiisaosaommtthhccsinhsinhCNTTCNTT phphiiquanquantmtmnnHCIHCI
Hc sinh CNTT hc: Pht trin ccng dng phn mm mi Pht trin cc cng c dng trong ccng
dng: ha 3 chiu, ngn ng lp trnh ... Pht trincch iu hnh
...Con ngi l mt trong nhng thnh phn
thit yu ca c c h thng ny !!!!!
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4/11/2005Bi Th Duy - B mn Mng v TTMT10
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
Gim thi gian lp trnh Gim chi ph cho nhng trc trc do giao
din Tng kh nng bnc ca sn phm Tng nng sut
Gim nhng bnh ngh nghip do dngmy tnh Gim nhng li nguy himn tnh mng
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4/11/2005Bi Th Duy - B mn Mng v TTMT13
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
Tng nng sut laong
20 ngi dng
x 230 ngyx 100 mn hnh giao tip 1 ngy
x 10 giy mi mn hnh giao tip___________________________= 1278 gi(32 tun)
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4/11/2005Bi Th Duy - B mn Mng v TTMT15
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
Gim chi pho to
20 nhn vin
x 2 ng dng mi nmx 2.5 ngy ming dng
_________________________= 100 ngy (20 tun)
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4/11/2005Bi Th Duy - B mn Mng v TTMT16
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
Gim nhng li ngi dng
500 ngi dng
x 20 li mt nmx 15 pht cho mt li
____________________________= mt 2500 gi(63 tun)
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4/11/2005Bi Th Duy - B mn Mng v TTMT17
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
To r a n hng sn phm c c ht lng caohn Ngi dng tit kim thi gian khi s dng
giao din nn c th tp trung vo cng vicchnh
V d: tm kim d liu, nh dng vn bn ....
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4/11/2005Bi Th Duy - B mn Mng v TTMT19
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng Tng kh nng bnc ca sn phm
DOS khng th so snhc vi c c h iu hnh khc cngthi
Windows v Explorer em li cho Microsoft li nhun cc ln
Windows c sao chp li t giao din ca Macintosh !!! Giao din ca Macintosh c sao chp li t Bravo pht trin
ti Xerox PARC !!!
Giao dinp d nhnc hpng Giao din ti c thb loi ngay t u cho d chng
trnh ttn my
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4/11/2005Bi Th Duy - B mn Mng v TTMT20
TTmmquanquantrtrngngccaammttviviccthithittkkttttmmttgiaogiaodidinnngngiiddngng
My tnh xut hin khp mi ni: iukhin my bay, t, dn nghe nhc ....
Giao din ngi my tnh tt => giaodin ngi cc thit b tt
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11/27/2004Bi ThDuy - Bmn Mng v TTMT1
TngTngttccngngii--mmyy
((HumanHuman --Computer InteractionComputer Interaction))
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TTnhnhtitinnlliiccaammtthhththngngPhn tch v d: Chicn violin
Ci g lm cho n tin li ?
....
hay khng tin li ?
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ChiChiccnnviolinviolin cctitinnlliikhngkhng??
Ti sao chicn violin lic to ra nhvy? V nc thit kcho cc siu nhn
Khi bn lm ch c n, n strnn tin li !!!
Vy mt hthng c nn thit knhchicnviolin C bao nhiu ngi l siu nhn??
Chc cng lm l 10% Vy chng ta khng nn coi chicn violin l tin
li
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CCccnguynnguynttccccaattnhnhtitinnlliiBn nguyn tc (Shackel, 1990): Tnh c
thhcc (learnability), tnh dsdng(ease of use), tnh linhng (flexibility) v
tnh cm xc (affectiveness)
B. Shackel. Human Factors and Usability. In: Preece, J.and L. Keller (Ed.),Human-Computer Interaction:Selected Readings. Prentice Hall, 1990.
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CCccnguynnguynttccccaattnhnhtitinnllii Tnh c thhcc
cc hthng tng tc phi dhc Tnh dsdng
cc hthng tng tc phi hiu qutrong vic gip
ngi sdngtc mcch Tnh linhng
cc hthng tng tc phi thchngc nhnghon cnh khc nhau
Tnh cm xc cc hthng tng tc phi lm cho ngi dng cm
thy thoi mi
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CCccnguynnguynttccccaattnhnhtitinnlliiTi sao phi theo cc nguyn tc ny?Nhng nguyn tc ny gip cho bn tp
trung vo mc tiut raChng gip cho bn c th oc mc
mc tiut rac hon thnhcnu.
y l mt phng phpc dngnh gi mt thit k!!!!!
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CCccnguynnguynttccccaattnhnhtitinnllii
Tnh c thhccTnh dsdngTnh linhngTnh cm xc
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11/27/2004Bi ThDuy - Bmn Mng v TTMT10
TTnhnhccthth hhcccc Tnh c thhcc thhin qua thi gian v cng sc
brac th tc mt trnhsdng nhtnh.
Tnh c thtng hpc: Khi ti lm thny th cig xy ra!
Hthng cho php ngi dng tng hp cc kin thc m hthuc thng qua vic sdng hthng t c thxy dng mththng cc nguyn tc vcc kin thc ny.
Tnh c th onc: Khi ti lm thny thiusxy ra! Ngi dng thng d on kt quca mt stng tc davo hthng kin thc m hthuc tcc ln tng tc
trc. Hthng nn htrcc suy lun hay d on ny bngcch lun luna ra cc thng tin phn hi nht qun.
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TTnhnhccthth hhccccTTnhnhccthth ttngnghhppcc
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11/27/2004Bi ThDuy - Bmn Mng v TTMT12
TTnhnhccthth hhccccTTnhnhccthth ttngnghhppcc
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11/27/2004Bi ThDuy - Bmn Mng v TTMT13
TTnhnhccththhhcc
ccTTnhnhccththoonncc
Mtp: ca shi thoi xut hinchntn tp.
=> Ghi tp: chc l mt ca shi thoi
cng sxut hinchn tn tp
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11/27/2004Bi ThDuy - Bmn Mng v TTMT14
TTnhnhccthth hhcccc Tnh quen thuc
Ngi dng sdng cc kin thc c ttrcquytnh xem sphi lm g trong cc tnh hungmi.
Vn dng cc kin thc theo quy lut, ngi dngphi suy nghqu nhiu trc mt tnh hung mi.
Tnh khi qut v tnh kinnh Ngi sdng khi qut nhng quy lut v knng
p dng vo nhng tnh hung tng t. Hthng nn htrvic to nn cc knng bngcch hotng tng ttrong nhng tnh hungtng t.
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11/27/2004Bi ThDuy - Bmn Mng v TTMT15
TTnhnhccthth hhccccLm thnoc th nh gi tnh c
thhcc? Thng qua thi gian sdnghcc
cch hon thnh mt cng vic nhtnhmt trnhnhtnh
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TTnhnhccthth hhcccc
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CCccnguynnguynttccccaattnhnhtitinnlliiTnh c thhcc
Tnh dsdngTnh linhngTnh cm xc
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TTnhnhddssddngng Tnh c thkhi phcc: Oops! Ti va xa
mt ton b cng !!! Ngi dng c thgy ra li Cc hthng nnc thit ksao cho cc li c th
c ngn chn v khi phcc. Tnh thch nghi vi nhim v: Cc tnh nng
ca hthng c thch nghi vi nhim vcangi dng khng?
Cc hthng phic thit ksao cho tnh nng cachngpngc nhim vca ngi dng. Hayni cch khc, cc tnh nng ca hthng phi datrn nhim vca ngi dng
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11/27/2004Bi ThDuy - Bmn Mng v TTMT20
TTnhnhddssddngngLm thno nh gic tnh ds
dng? Mc hiu sut cng victc
Thi gian hon thnh cng vicmc caonht
Tn sut li
Cng scu c bra: thng qua cu hiiutra hoc cc chssinh l (v.d. nhp tim)
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11/27/2004Bi ThDuy - Bmn Mng v TTMT21
CCccnguynnguynttccccaattnhnhtitinnlliiTnh c thhccTnh dsdng
Tnh linhngTnh cm xc
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11/27/2004Bi ThDuy - Bmn Mng v TTMT23
TTnhnhlinhlinhngngTnh thay th c: Cho php nhng gi
trvo ra tngng c th c thayththoi mi. V.d: ko th
Tnh ty bin(Customizability): Chophp mt hthng c ththch nghicvi nhu cu ca ngi dng
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11/27/2004Bi ThDuy - Bmn Mng v TTMT24
TTnhnhlinhlinhngngLm thno nh gic tnh linh
ng? Thng qua hiu sut v sli to ra trong cc
tnh hung khc nhau
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11/27/2004Bi ThDuy - Bmn Mng v TTMT25
CCccnguynnguynttccccaattnhnhtitinnlliiTnh c thhccTnh dsdngTnh linhng
Tnh cm xc
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11/27/2004Bi ThDuy - Bmn Mng v TTMT26
TTnhnhccmmxxcc Tnh cm xc thhin qua mc a thch v
thoi mi ngi sdng cm thy khi sdngmt hthng.
Gi trcm xc: !!!! Tnh thm m
Cc yu tmi trng: Cc hthng nncthit k ph hp vi cc mi trng vt l:RSI (Repetitive Strain Injury)!
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TTnhnhccmmxxccLm thnoc th nh gic tnh
cm xc? Thng qua cu hiiu tra hoc cc chs
sinh l
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11/27/2004Bi Th Duy - B mn Mng v TTMT1
TngTngttccngngii--mmyy
((HumanHuman --Computer InteractionComputer Interaction))
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ConCon ngngiiNhn vt trung tm trong mi h thng
tng tc My tnhc thit k phc v con
ngi => Yu cu ca ngi lu tin smt. Trong phn ny chng ta quan tmn cc
yu t v con ngi mt vn tngchng nh chng lin quan gn HCI
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11/27/2004Bi Th Duy - B mn Mng v TTMT4
ConCon ngngii c thphc v con ngic tt:
chng ta cn phi bit mt ngi no ckh nng lm g v khng lmc g V.d. :
ngi khim th: dng m thanh, phm ni,ch ni ....
chng ta cn bit con ngi nhn bit th gii
ntn, lu tr, x l thng tin v gii quyt vn ntn, v thao tc vi cc vt ntn
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11/27/2004Bi Th Duy - B mn Mng v TTMT5
ConCon ngngii Chng ta s ch quan tmn nhngc
im ca con ngi lin quann HCI ! lmciu, chng ta s nghin
cu con ngimt m hnhn ginhn n h mt h thng x l thng tin
M hnh c 3 thnh phn chnh:
Thnh phn vo/ra B nh B x l
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11/27/2004Bi Th Duy - B mn Mng v TTMT6
ConCon ngngii M hnh ha con ngi:
Thnh phn vo/ra B nh
B x l
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11/27/2004Bi Th Duy - B mn Mng v TTMT7
ThThnhnhphphnnvvooraraccaaconcon ngngii Con ngi giao tip vi th gii thng qua
nhn v gi thng tin bng cc thnh phnvo ra
Con ngi My tnh
Ra Vo
RaVo
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11/27/2004Bi Th Duy - B mn Mng v TTMT8
ThThnhnhphphnnvvoo Thng qua nm gic quan: th gic, thnh
gic, khu gic, v gic, xc gic Hin nay, ba gic quan l quan trng cho
HCI, hai gic quan v gic v khu gicvn chac quan tmn
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11/27/2004Bi Th Duy - B mn Mng v TTMT9
ThThnhnhphphnnvvoo
Th gic Thnh gic Xc gic
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11/27/2004Bi Th Duy - B mn Mng v TTMT10
ThThnhnhphphnnvvooththgigiccLng mi
ng tMng cng
Trngen
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11/27/2004Bi Th Duy - B mn Mng v TTMT11
ThThnhnhphphnnvvooththgigicc
im m bui ti
CCchch bb trtr mmuu nnii (foreground)(foreground)
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11/27/2004Bi Th Duy - B mn Mng v TTMT12
CCchchbbtrtrmmuunnii(foreground)(foreground)
vvmmuunnnn(background)(background)Background
foreground black blue brown cyan green magenta red white
black + + ++
blue ++
cyan ++
green ++ + + red + +
white + ++
yellow ++ ++ + +
deep green +
deep cyan + + + + +
deep magenta + ++
deep white ++ + +
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11/27/2004Bi Th Duy - B mn Mng v TTMT13
VVchchoo
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oohhnhnhvvnnnnchichicclyly
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11/27/2004Bi Th Duy - B mn Mng v TTMT15
CCmmnhnhnnhhnhnhnhnh Hnhnh khng ch lc cm nhn mt
cch th ng m cn theo mt s lut cbn nhnc hnhp: Lut Praegnanz: Trong s mt s t chc hnh
nhc xut hinng thi, t chc hnhnh non gin nht, nnh nht s ccm nhn.
Lut k cn: hng v nhm nhng thnhphncnh nhau
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11/27/2004Bi Th Duy - B mn Mng v TTMT16
CCmmnhnhnnhhnhnhnhnh Lut tng t: hng v nhm nhng thnh
phn tng t nhau Lut lin tc: hng v nhm nhng thnh
phn lin tip nhau to thnh ccng congmt
Lutng: hng v nhm nhng thnh phn
to thnh mt hnhng
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11/27/2004Bi Th Duy - B mn Mng v TTMT17
HHnhnhnhnhnn
Hnh tam gicbn tricgiuhnh bnphi
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11/27/2004Bi Th Duy - B mn Mng v TTMT18
HHnhnhnhnhnn
S 4 bn tric giuhnh bn phi
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CCmmnhnhnnhhnhnhnhnh
Chng ta cm nhnc rng c hai hnhch nht ln nhau
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CCmmnhnhnnhhnhnhnhnhChng ta vn cm nhn
c mt hnh ovalmc d hnh ny khngc v r rng
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NhNhngngoogigicc
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CCmmnhnhnnvvsusu
Thng qua hai mt
CCmmnhnhnnvvsusu
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--thngthngqua chiqua chi titittccaahhnhnhnhnh
CCmmnhnhnnvvsusu
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--thngthngquaqua chuychuynnngng
Vtgn chuynng nhanh hn,vtxa chuyn
ng chm hn
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CCmmnhnhnnvvsusuTheo v tr
Theo kch c
ngngddngng
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MMnnhhnhnh3D3Dphimphim3D3D
Thu hai hnhnh dnh cho 2
mt (camera c leni)
Hai hnhnhc chiungthi cho 2 mt
Dng knh xem 2 hnhnhhai mt khc nhau
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11/27/2004Bi Th Duy - B mn Mng v TTMT27
ThThnhnhphphnnvvoo Th gic
Thnh gic Xc gic
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ThThnhnhphphnnvvooththnhnhgigicc Thnh gic quan trng vi chng ta nh th no:
H thng bong Cn bng cm xc: nghe nhc
Giao tip
Nhng vn th v nht v thnh gic Cbn ca ha m
S nh hng ca kin thc ti vic tch cc ngunm thanh khc nhau
Nhn dng cc ging ni
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BBnnchchttccaammthanhthanhNgun m thanh pht ra
cc sng trn
Ting
n tr
ng (whitenoise) l s tng hp ca
rt nhiu m thanh vi tn
s v cng ngu nhin(ting gn sng trn h)
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BBnnchchttccaammthanhthanhCng
Tn s ( cao thp)
Mt m thanh trong troc th hin bng dngsng hnh sin (khng c nhiu) vi bin l cng v tn s l cao thp
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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CCmmnhnhnnmmthanhthanh
Tn s (Hz)
Ng
ngnghec
Gii hn b au
Cng
(dB)
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CCmmnhnhnnmmthanhthanh Con ngi chng ta c th cm nhnc:
tn s ca m thanh ( cao thp) cng ( to nh)
m sc (khc v ngun m thanh pht ra t cc dng
c khc nhau, mc d c cng tn s v cng)
Chng ta cng c th nhn r a v tr ca ngun mthanh
dng hai tai
s khc nhau v thi gian nhn v cng
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CCmmnhnhnnmmthanhthanh Con ngi c th nghec m thanh vi cc t
s t khong 20Hz ti 15kHz Con ngi c thphn bitc thayi khong
1.5Hz cc tn s thp. Cng tn s cao th kh
nng phn bit cng km hn Nhng tn s khc nhau thnh hngn
nhng phn khc nhau trong h thng x l m
thanh ca con ngi => to ra nhng kch thchkhc nhaun h thng thn kinh
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CCmmnhnhnnmmthanhthanh H thng x l m thanh thc hin mt s
thao tc lc m thanh => cho php b quanhng tingn nn => tp trung vo mthanh quan trng
Cocktail party efect chng ta vn cth nghe thy ai gi chng ta trong mt
cn phng rtn
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ThThnhnhphphnnvvoo Th gic
Thnh gic
Xc gic
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ThThnhnhphphnnvvooxxccgigicc Xc gic: kh nng pht hin v hiuc
nhng thng tin cm nhnc t da Cc nghin cu ch ra rng kh nng
cm nh
n b
ng xc gic c
a tr
nh
c th
c pht trin trc kh nng phn
bit vt thbng th gic
Theo bn, mn th thao no (khng) cnxc gic?
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BaBalolo
iiccmmnhnh
nnbbngngxxccgigicc sc p:
mnh nh
nhit: lnh
m
mc au: nhn t
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CCmmnhnhnnbbngngxxccgigiccvviiHCIHCI V.d.: chng ta cm nhnc phm bbm
xung
Cc thit b mi: haptic
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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TT tt ii
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TngTngttccngngii--mmyy
((HumanHuman
--Computer InteractionComputer Interaction
))
CC ii
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ConCon ngngii M hnh ha con ngi:
Thnh phn vo/ra
B nh B x l
BB hh ii
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BBnhnhconcon ngngii B nhgic quan (sensory memory)
B nhngn hn (short-term memory)
B nhdi hn (long-term memory)
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BB hh ii
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BBnhnhgigiccquanquan Cc b nhny lin tc b ghi bi
nhng tn hiu mi V.d.: hin tng lunh
V.d.: tai lu thng tin trong mt thi gianngn 2 tai nhnc mt m thanh tihai thiim khc nhau (rt gn nhau) ->
xcnhc m thanhc pht t u
BB hh ii
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BBnhnhconcon ngngii
B nhgic quan B nhngn hn B nhdi hn
nhcinhc lic ch
BB nhnh ngngnn hh nn
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BBnhnhngngnnhhnn Hay cn gi l b nhlm vic V.d. tnh 35x6, chng ta c th nhm
30x6 ri cng vi 5x6 hoc 35x2 ra 70 rily 70x3
V.d. c sch, chng ta phi nhmt sthong tin th mi hiuc quyn sch:
cc t trong cuangc, mt s cutrc, mt s chi tit trc
BB nhnh ngngnn hh nn
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BBnhnhngngnnhhnn Con ngi c th nh7 2 mc lin tip:
Bn th nh2419406832 xem cc bn nhc bao nhiu s?
Th cn 764 321 5793 ?
BB nhnh ngngnn hh nn
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11/27/2004Bi Th Duy - B mn Mng v TTMT9
BBnhnhngngnnhhnn100%
80%
60%
40%
20%
0 3 6 9 12 15 18
remember rate
time interval until remember items (in sec)
BB nhnh ddii hh nn
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BBnhnhddiihhnn Dung lng ln hn nhiu so vi b nh
ngn hn Thi gian truy cp lu hn
Nhiu thng tin: thng tin c nhiu thng tin mic hc thng tin mi nhiu cc thng tin c
=> Hc nhiu qun nhiu, hc t qun t???
BB nhnh ddii hh nn
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BBnhnhddiihhnn C hai loi b nhdi hn:
Loi nhtheo tnh tit (episodic)
Loi nhtheo ng ngha (semantic)
BBnhnhddiihhnn
LoLoii nhnh theotheo ttnhnh tititt
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LoLoiinhnhtheotheottnhnhtititt B nhloi ny ghi li c c s kin v kinh
nghim theo cu trc chui
Gip chng ta nhli c c s kin xy ratrong qu kh
BBnhnhddiihhnn
LoLoii nhnh theotheo ngng nghnghaa
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LoLoiinhnhtheotheongngnghnghaa B nhloi ny ghi li cc khi nim, s
tht v c c k nng chng ta hcc theocu trc lin kt Cc thng tin trong b nhloi ny nhn
c tb nhtheo tnh tit, cho phpchng ta hcc cc khi nim v s tht
mi t kinh nghim
BBnhnhddiihhnn
LoLoii nhnh theotheo ngng nghnghaa
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LoLoiinhnhtheotheongngnghnghaa B nhnyc t chc cho php
chng ta truy cp thng tin, cc mi quanh gia cc thng tin v cho php chng tasuy din
B nhny thngc biu din didng mng li mng li ng ngha
(semantic network)
BBnhnhddiihhnn
LoLoii nhnh theotheo ngng nghnghaa
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LoLoiinhnhtheotheongngnghnghaachuynng
NG VT
CH
CH SN
l
l
l
sa
CH NH
c bn chn
SNOOPY
l mt loi
th
tm vt trng nh
nhn vt hot hnh
BBnhnhddiihhnn
LoLoii nhnh theotheo ngng nghnghaa
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11/27/2004Bi Th Duy - B mn Mng v TTMT16
LoLoiinhnhtheotheongngnghnghaa Cho php chng ta suy din: v ch c 4
chn => ch sn c 4 chn
Lu : c nhng lin kt ni sang hnnhng lnh vc khc (v d nh Snoopy ->phim hot hnh)
BBnhnhddiihhnn
LoLoii nhnh theotheo ngng nghnghaa
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LoLoiinhnhtheotheongngnghnghaa S tn ti ca mng ng ngha ny trong con ngi
chng tac chng minh bi Collins v Quillian
(1969): Mt s ngic hi v cc thuc tnh ca mt s i tng.
Thi gian suy ngh tr lic gh i li. Kt qu l: ngi tasuy nghlu hn khic hi nhng cu hi kiu nh: ch sn
c thkhng so vi cc cu hi kiu nh: ch snc t m vtc khng? L do: con ngi phi tm kim thng qua mng ng ngha, suy
ngc ln tm ra cu tr li
A.M. Collins and M.R. Quillian. Retrieval time from semantic memory.Journal of VerbalLearning and Verbal Behaviour, 8:240-247, 1969.
BB
nhnh
dd
iihh
nn
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11/27/2004Bi Th Duy - B mn Mng v TTMT18
Bnhdihn Mt s loi cu trc khc ca b nhcng
ca ra gii thch chng ta lu trkin thc nh th no: Kiu khung
Kiu kch bn
Kiu q u y tc
BBnhnhddiihhnn
KiKiuu khungkhung
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KiKiuukhungkhungCH
Tnh cht c nh: c 4 chn
Ty bin:- kch c-
mu sc
BBnhnhddiihhnn
KiKiuu kkchch bbnn
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11/27/2004Bi Th Duy - B mn Mng v TTMT20
KiKiuukkchchbbnn
iu kin:- c hb m- bnh vin th y mca- ngi ch c tin
Kt qu:- ch khim
- ngi ch ngho hn-b c sgiu hn
Kch bn khia chi khm
Cnh:-n phong khm- ngi ch-b c skhm- tr tin
BBnhnhddiihhnn
KiKiuu quyquy ttcc
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KiKiuuquyquyttcc
NU ch vyuiTH li gn
NU ch nhe rng
TH chy
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BBnhnhddiihhnnGhiGhinhnh
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11/27/2004Bi Th Duy - B mn Mng v TTMT24
Baddeley v Longman (1978): Vic ghi
nhhay hc tp s t hiu qu tt hnnu nc dn tr iu theo thi gian
=> Kha hc master ca chng ta: hi vtv
A. D. Baddeley and D. J. A. Longman. The influence of length andfrequency of training sessions on rate of learning to type.Ergonomics. 21:627-635, 1978.
BBnhnhddiihhnnGhiGhinhnh
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11/27/2004Bi Th Duy - B mn Mng v TTMT25
Nhcc t m t cci tng d hn cc
t m t cc khi nim: Chui 1: Nh - ca - cy - mo - ch - t
Chui 2: Tui tc - logic - ln h - i m lng qukh - ch ngha
Nhng thng tin c ngha v quen thuc
th d nhhn: c thn thoi H y Lp thkh nhhn thn thoi Vit Nam, chu
BBnhnhddiihhnnQunQun
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11/27/2004Bi Th Duy - B mn Mng v TTMT26
Nu qu trnh ghi nhthng tin c tr
gip bng cc cu trc, s quen thuc vtnh c th, lm th no chng ta c thmt thng tin, c th qun ?
BBnhnhddiihhnnQunQun
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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11/27/2004Bi Th Duy - B mn Mng v TTMT27
C hai hc thuyt chnh v s qun:
sphn r (decay) : thng tin trong b nhsdn dn b mti (Ebbinghaus ,1885)
s can thip nhiu (interference): Cc thngtin cb mti do c s can thip ca cc
thng tin mi. Cc thng tin c nhiu k h i cngc th can thip li thng tin mi
BBnhnhddiihhnnQunQun
SScancan thithipp
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11/27/2004Bi Th Duy - B mn Mng v TTMT28
pp V.d.: bn c sT ding mi, vic nh
s ding mi s lm bn quni s ding c V.d.: thnh thong bn r nhm vong
nh ngi y u c thay vi thng nnh ngi y u mi
BBnhnhddiihhnnQunQun
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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11/27/2004Bi Th Duy - B mn Mng v TTMT29
Cm x c cngnh hngn s qun
cc s kin c nhiu cm x c s t b qunhn c c s kin c t cm xc Cu hit ra: chng ta c thc s qun
hay ch l thng tin kh c th (khng th)truy cpc ? - khng ai chng minh
c tuy nhin c nhng bng chng lthng tin c th khng mti hn
BBnhnhddiihhnnTruyTruyccppthngthng
tintin
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11/27/2004Bi Th Duy - B mn Mng v TTMT30
Hai loi truy cp thng tin:
Nhli: cc thng tin c sao chp li tb nh Nhn dng: so snh thng tin vi cc thng tin trong
b nh.
Qu trnh nhn dngn gin hn qu trnh nhliv c thng tin lm gi : v.d. nhra mt mt
ngi k h hn nhn r a n gi; v.d. cu hi lachn d hn c u hi thng thng
ConCon ngngii
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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M hnh ha con ngi:
Thnh phn vo/ra B nh
B x l
ConCon ngngii--XXllthngthngtintin
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11/27/2004Bi Th Duy - B mn Mng v TTMT32
Suy ngh
Rn luyn k nng
X l li
XXllthngthngtintinsuysuynghngh
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11/27/2004Bi Th Duy - B mn Mng v TTMT33
im khc bit gia ngi v loi vt,
gia ngi v my Suy ngh: gii quyt c nhng vn
chng ta cha thy bao gi Suy ngh:
Suy lun (Reasoning)
Gii quyt vn (Problem solving)
XXllthngthngtintinsuysuynghngh
suysuylulunn
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11/27/2004Bi Th Duy - B mn Mng v TTMT34
Dng cc kin thc c suy ra kt
lun hoc s u y r a mtiu g mi vlnh vcang quan tm Ba loi suy lun:
suy din (deductive)
quy np (inductive)
??? (abductive)
XXllthngthngtintinsuysuynghngh
suysuylulunnsuysuydidinn
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11/27/2004Bi Th Duy - B mn Mng v TTMT35
a r a k t lun tt yu t mt s gi thit
Nu l chiu th 2 th chng ta c tit HCI
Hm nay l th 2
------------------------------------------------
=> chng ta c tit HCI
XXllthngthngtintinsuysuynghngh
suysuylulunnsuysuydidinnCh khi di i
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Chng ta cng c khi suy din sai:
Mt s hc sinh cao hci lm
Mt s ngii l ml sp
---------------------------------------------
=> Mt s hc sinh l sp
XXllthngthngtintinsuysuynghngh
suysuylulunnquyquynnppT h h h h
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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11/27/2004Bi Th Duy - B mn Mng v TTMT37
Tng qut ha t nhng trng hp chng ta
thy suy ra nhng trng hp chng ta chagp V.d.: Mi ngin ng chng ta gpu sv
=> mi ngin ngu sv Tt nhin, suy lun ny c th sai ! Chng minh
l sai th d - ch ra mt v d sai ! Khng th
chng minhng -> tm cng nhiu bng chngcng tt h trcho kin
XXllthngthngtintinsuysuynghngh
suysuylulunnabductiveabductiveS l t t th t h h h
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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11/27/2004Bi Th Duy - B mn Mng v TTMT38
Suy lun t mt thc t ra hnhng hay
trng thi gy ra thc t Nu ng A ung ru th ng A i xe my nhanh
Hm nay ng A i xe my nhanh----------------------------------------------------ng A ung ru
Khngng tin cy! Nhng vnc dng nhiu
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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GiGiiiquyquyttvvnn
nguynnguynllGestaltGestalt Chng ta gii quyt vn bng phng php
7/21/2019 Slide.tng Tc Ng i-My - Bi Th Duy, 141 Trang
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11/27/2004Bi Th Duy - B mn Mng v TTMT40
Chng ta gii quyt vnbng phng phpm mm (trial and error)
Th nghim: - cho mt s cc, mt s chick m lm th no ni 2 on dyin li vi nhau ?
GiGiiiquyquyttvvnn
nguynnguynllGestaltGestalt Kt qu:
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11/27/2004Bi Th Duy - B mn Mng v TTMT41
Kt qu:
C nhiu li gii khc nhau Trong c mt li gii: Khi ngi thnghimang dng km ct v dyin
dy lc => Buc km vo dyin - to racon lc c hy sang pha dy kia bt con lc ni 2 dy vi nhau
Nguyn l ny nghe rt hp dn n hngcha cbng chng chng minh
GiGiiiquyquyttvvnn
nguynnguynllkhngkhnggiangianvvnn Tm im ca vic gii quyt vn chnh l
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11/27/2004Bi Th Duy - B mn Mng v TTMT42
Tmim ca vic gii quyt vn chnh lm
t khng gian v
n
(Newell v Simon,
1972). Khng gian vn cha nhng trng thi vn,
gii quyt vn c thc hin thng qua vicsinh ra nhng trng thi vnbng cc ton t(operator) chuyn trng thi
Mt vn c mt trng thi ban u v mttrng thich. Con ngi dng cc ton t in trng thich.
GiGiiiquyquyttvvnn
nguynnguynllkhngkhnggiangianvvnn Tuy nhin khng gian vn rt ln nn
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Tuy nhin khng gian vn rt ln nn
con ngi dng phng php tm kimheuristics
i C thcnC tin
C vic
GiGiiiquyquyttvvnnNguynNguynllphphpploloiisuysuytrongtronggigiiiquyquyttvvnn
Php loi suy (analogy): qu trnh suy lun
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Php loi suy (analogy): qu trnh suy lun
da trn s ging nhau, s tng t
Trong gii quyt vn, cc lnh vc ccng cc cch gii quyt c ca sangcc vn mi tng t
GiGiiiquyquyttvvnn
NguynNguynllphphpploloiisuysuytrongtronggigiiiquyquyttvvnn
V d : a cho cc bc s gii quyt mt
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V.d.: a cho cc bc s gii quyt mt
khi u bng chiu tia. Tuy nhin nu chiutia mnh qu ph c cc m lnh. Nuchiu t i ayu qu khngph khi u.
Gii php: chiu cc tia yu t mi pha
vo khi u va khng ph cc m lnh,va hp thnh tia mnhph khi u
GiGiiiquyquyttvvnn
NguynNguynllphphpploloiisuysuytrongtronggigiiiquyquyttvvnn Ch c 10% s bc s a r a g ii php
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Ch c 10% sbc s a r a g ii php
Tuy nhin sau khi cho cc bc s xem tnhhung: nh mt phoi, ngi t a cn c mt s onn. Tuynhin trnngi, c rt nhiumnv r t d n nu c s oni qua. Ngi tanh chia s on thnh cc nhm nh i theonhng ng ng khc nhau.
cn 80% cc bc s a r a g ii php ni trn x l khi u
XXllthngthngtintinrrnnluyluynnkknngnng
Gii quyt vn tp trung vo vic gii
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Gii quyt vn tp trung vo vic gii
quyt nhng vn mi Trn thc t, chng ta rt hay gp li cc
vn c thng qua vic lpi lp li
gii quyt c c vn c -> rn luyn knng -> tng hiu sut cng vic
V.d.: Nun, chi c....
XXllthngthngtintinXXllllii
Trong cuc sng, chng ta khng phi l
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Trong cuc sng, chng ta khng phi l
khng mc s a i lm ! C sai lm nh, c sailm ln Li kh ix dng k nng: khi tnh hung
thayi, chng ta vn s dng k nng => gy ra li. V.d.: K nngi x e tch lm v nh. Hm nay vdn qua siu
th mua - vn dng k nng c -> i qumt siu th
XXllthngthngtintinXXllllii
Li khi hiu s a i v mt vn mt h
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Li khi hiu s a i v mt vn, mt h
thng.Ti sao? Con ngi thng xy dng mt mhnh trong b nhv cc h thng. Cc m
hnh ny thng khngy, thm chkhng nht qun v khngc xem xt k lng => gy ra li
TmTmllhhccvvHCIHCI
Lm sao chng ta c th ng dng nhng
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g g g gth va hc vo vic thit k cc h thngtng tc?
Lu : nhng th chng ta va cpnl ni v con ngi ni chung. Tuy nhinchng ta phi rng mi ngiu
khc nhau => thit k cc h thng phhp vi tng ngi khc nhau
TmTmllhhccvvHCIHCI
V.d.: Mu xanh nc bin khng nn dng
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g g thng bo cc thng tin quan trng nn dng mu
Tuy nhin, khng nn p dng nhng
thng tin ny trc tip vo vic thit k - vchng khngy vn gin Thay vo, chng ta s p dng nhng
nguyn tc v hng dn thit k c suyra t cc hc thuyt t mlhc
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TmTmllhhccvvHCIHCI
BBnhnh S dng kin thc c sn khi c th
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Gip ngi dng s dng nhn dng thay v nhli: Dng menu thay v giao din lnh
Khng nn lm qu ti b nhngn hn (b nhlm vic) ca ngi dng: v.d. khng bt ngi dng nhnhiu q u lu tr
trn b nhmy tnh current settings
Thit k cc giao tip mt cch nht qun: trnh s can thip (nhiu) gia thng tin c v mi
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