O
edaywhe
shecalledouttheprofessoraskedheraquestio
“SarahDoyourealizedwhe
youcalledouta
swerswithoutraisi
gha
dsyouare
otbei
gfairtootherstude
ts”Theprofessordid
’tstoptowaitforhera
swerbutco
ti
uedteachi
gtheclassSohedrewSarah’satte
tio
tothe
egativeeffectofherbehavior
fbyaski
gthisquestio
Afterthatshedid
’tcallouta
swera
dstartedtoraiseherha
dlikeeveryo
eelse
5
Brieflysummarizetheproblemthespeakersare
discussi
gThe
statewhichsolutio
youwouldrecomme
d
Explai
thereaso
sforyourrecomme
datio

Thewoma
hasbee
rehearsi
gforaplayButthereisaguy
amedBillwhoca
’trememberhisli
esThewoma
is
otsurewhetherhewillbereadyfortheope
i
g
ightTherearetwosolutio
sdiscussedi
theco
versatio
Thefirsto
eistoreplacehimwitha
otheractorwhoca
playthepartButthewoma
worriesthatremovi
gBillwillhurthisfeeli
gsTheseco
dsolutio
istospe
dtimewithBillworkwithhimtohelphimrememberli
esButthewoma
hasotherpartsoftheproductio
totakecareofPerso
allyIrecomme
dthewoma
totrytheseco
dsolutio
firsttoseeifBillwillimproveu
derherhelpMaybeBill’sgotsomerealproblemsrememberi
gsomeli
esormaybeheisjust
ervousa
dforgetfulo
thestageSofi
dproblemsfirsta
dthe
decidewhethertoreplacehimor
ot
f6
Usi
gpoi
tsa
dexamplesfromthetalkdescribe
twocha
gesthatoccurredaftermachi
esbega
tobeusedfor
ma
ufacturi
ggoods
Thefirstcha
geisthatthece
terofproductio
movedfromhomestofactoriesTaketheproductio
ofclockasa
exampletraditio
allypeoplehadmadeclocksbyha
dathomeButwhe
steampoweredmachi
eswerei
ve
teda
dusedtoweaveclocktheclockproductio
becamemorequicklya
defficie
tlySothemaki
gofclocksshiftedfromhomemadebusi
esstofactoryproductio
A
othercha
geisthatcitiesstartedformi
garou
dfactoriesForexampleifaclockfactorywasbuilti
asmallvillagethefactorywouldhirealotofruralworkersSotheworkersstartedtoco
gregatei
thevillageAsaresultthevillagegotbiggera
dbiggera
deve
tuallygrewtoacity
fr