CMN 150V FINAL EXAM QUESTIONS AND CORRECT ANSWERS
How cmuch cdo csome ctop ccelebs cget cpaid cper ctweet? c- cCORRECT cANS✔✔$10,000 cor cmore
What care c2 ccomplementary caspects cof ccomputational csocial cscience cLamberson ctalks cabout? c- cCORRECT cANS✔✔empirical
cwork cand ccomputer csimulations
Are ccelebs cthe conly cpeople cto chave cinfluence cin csociety? c- cCORRECT cANS✔✔No
Can cjust canybody cbe cinfluential? c- cCORRECT cANS✔✔yes
What ctrick cdid cLamberson cuse cin corder cto ctrack cwho creposted curl clink cto ca cstory con cTwitter? c- cCORRECT cANS✔✔he
ctracked cshort curl, cwhich care cunique cto cthe cpost
What care c'Twitter cCascades'? c- cCORRECT cANS✔✔an cinfo cdiffusion cprocess con cTwitter cin cwhich ca cnumber cof cpeople
cmake cthe csame cdecision cof cpassing calong cinfo cin ca csequential cfashion
Do call cposts cgo cviral? c- cCORRECT cANS✔✔the cvast cmajority cof cposts cnever cget cretweeted, cbut ca csmall cfraction cof clinks cgo
cviral
If csomething cwent cviral, clooking cat cit, cthere cis ca chigh cprobability cthat cit chad cbeen csent cby can cinfluencer: cp(influencer c|
cviral). cWhat cabout cp(viral c| cinfluencer), cthe cprobability cthat csomething cgoes cviral, cgiven cthat cit cwas csent cby can cinfluencer? c-
cCORRECT cANS✔✔low cprobability
The cproposed cmodel cconsists cof cthe cfollowing: c- cCORRECT cANS✔✔take ca chypothetical cnetwork, cselect csome cnodes, cand
csimulate ca ccontagion cprocess cby cassuming cthat cneighboring cnodes chave ca cfixed cprobability cof cgetting cinfected
The chorizontal cx-axis cpresents: c- cCORRECT cANS✔✔if ca cgiven cnetwork(of csimulated cnetworks) chas cfew cor cmany clinks
What cdetermines cwhat cspreads cor cnot? c- cCORRECT cANS✔✔density cof cnetwork
Even cthough cwe ccannot cpredict cwho cis cinfluential, cwhy cis cit cworthwhile cfor ccompanies cto cpay clarge camounts cof cmoney cto
ccelebs cto csend cmessages? c- cCORRECT cANS✔✔chances care cthat camong cthe cpeople creached cby cthem, csome cturn cout cto
cbe cinfluential, cwho cwill cthe cinfluence cothers
What cdetermines cif can cindividual ccan ctrigger ca ccascade? c- cCORRECT cANS✔✔depends cmuch cmore con cthe cglobal cstructure
cof cthe cinfluence cnetwork cthan cit cdoes con chis cor cher cpersonal cdegree con cinfluence
Can canyone cstart ca ccascade? c- cCORRECT cANS✔✔the coverall cnetwork cpermits cglobal ccascades canyone ccan cstart cone cbut
cif cit cdoesnt cthen cno cone ccan
What cdetermines cif csomeone cis cinfluential? c- cCORRECT cANS✔✔depends con cthe cgeneral cstructure cof cthe cnetwork
What cis cthe cdifference cbetween cthis clecture con csocial cnetwork canalysis cand cthe cprevious clectures con cthe csame ctopic? c-
cCORRECT cANS✔✔today, cwe cwill clook cat cdynamically cevolving cnetworks cand cstarts cto csimulate ctheoretical cnetworks
T cor cF? cIn cscience, cthings ccan cbe cdistributed cin c4 cdiff cways: cnormal, cpoisson, cexponential, cpowerlaw c- cCORRECT
cANS✔✔false
T cor cF? cIn cscience, cthings ccan cbe cdistributed cin crandom, cscale cfree, csmall cworld, chub/spoke cnetworks c- cCORRECT
cANS✔✔false
What cis cone ccommon cway cto cscientifically ctest cwhether cthere's csomething cspecial cabout cyour cnetwork? c- cCORRECT
cANS✔✔you ccreate ca clarge cnumber cof crandom cnetworks cand ccompare cyour cnetwork cwith cit
Let's cassume ca cvery csimple cnetwork cwith c3 cnodes(A,B,C) cand cone c(undirected) clink: cG(N,M) c= cG(3,1). cHow cmany cdifferent
cnetworks ccan cyou cform cwith cthat? c- cCORRECT cANS✔✔3
What cwas cthe cdiffernece cbetween cthe c"numerical csolutions" cand c"analytical csolution"? c- cCORRECT cANS✔✔numerical:
cenumerate cthe coptions cand cbasically ccount
, analytical: cuse cmath cto cderive cthe cresults
In cnetwork canalysis, ca ccomponent cis: c- cCORRECT cANS✔✔a cpart cof cthe cnetwork cin cwhich ca cpath ccan cget cyou cfrom ca
cnode cto cany cother cnode
Why cdo cyou cneed cat cleast cone cconnection cper cnode cin corder cfor cthe cgiant ccomponent cto cdominate? c- cCORRECT
cANS✔✔everybody ccan chave cone cfriend c(on caverage) cmaking ca cchain cof cfriends
Who cwill chave cmore clinks? c- cCORRECT cANS✔✔older cnodes
What cdoes cpreferential cattachment cmean? c- cCORRECT cANS✔✔the cprobability cof ca cnode cto cconnect cwith cnew cnodes
ccorresponds cto cthe cnumber cof cexisting cdegrees cof ca cnode
What cdoes cpreferential cattachment csay cin cthis ccase? cThe cprobability cthat ca cnew cnode: c- cCORRECT cANS✔✔connects cto
ceach cone cof cthem cis cequally clikely
What cdoe csit cmean cthat csomething cis cdistributed caccording cto ca cpower claw? c- cCORRECT cANS✔✔exponentially cfew, chave
cexponentially cmuch, cand cexponentially cmany, chave cexponentially clittle
Why care cmost cof cmy cfriends cconnected cto chighly cconnected cpeople? c- cCORRECT cANS✔✔popular cpeople chave cmany
cconnection, cinevitably calso cincluding cmy cfriends
When cyou cfind ca chigh cclustering ccoefficient, cit cmeans cthat cpeople cgroup ctogether cin cdifferent cdensely cconnected cclusters,
cwhat cdoes cthat cmean? c- cCORRECT cANS✔✔many cpeople chang cout cwith ctheir cgroups cwith clittle cconnection cto cother cgroups
What cdoes cit cmean cto chave ca csmall caverage cpath clength? c- cCORRECT cANS✔✔the cshortest cpath cbetween call cnode csis
cshort con caverage
A csmall cworld cnetwork cis ccharacterized cby c- cCORRECT cANS✔✔a csmall caverage cpath clength cand chigh cclustering ccoefficient
When csocial cscientists csay cthat csocieties cconsist cof csmall cworld cnetworks, cwhat cdo cthey cmean? c- cCORRECT
cANS✔✔people chave cboth cclose cconnections cin ctight cgroups cand cquick caccess cto ceverybody
What chas cbenefits cbut calso ccosts? c- cCORRECT cANS✔✔creating cand cmaintaining clinks cwith cothers
What cis coften cmeant cwhen csocial cscientists csay cthat ca cdynamic csocial cconfiguration chas cbecome cstable? c- cCORRECT
cANS✔✔nobody ccould cbenefit cfrom cchanging canything cin cthe cconfiguration
If cthere cis calmost cno ccost cto ccreate cand cmaintain cconnection, cwhat cnetwork cwill cevolve? c- cCORRECT cANS✔✔a cclique
If cthere cis ca cvery chigh ccost cto ccreate cand cmaintain cconnections, cwhat cnetwork cwill cevolve? c- cCORRECT cANS✔✔a cnetwork
cwithout cany clinks
What cis cthe caverage cpath clength cin ca cstar cnetwork cconfiguration(assume cmany cnodes caround ca csingle chub)? c- cCORRECT
cANS✔✔about c2
Why cdo c(according cto cour cmodel cassumptions) cindirect cconnects chave cbenefits cbut cno ccosts? c- cCORRECT cANS✔✔the
clower cleft cnode cstill conly cneeds cto cmaintain cone cconnection(to cthe cupper cleft cnode), cand cmaintaining cconnections care
cassumed cto chave ccosts
How cdo cwe cget c6 cbenefits cand c6 ccosts? c- cCORRECT cANS✔✔there care c6 cdegrees(incoming/outgoing carrows)
How cmany cindirect cbenefits cdo cwe cget cnow? c- cCORRECT cANS✔✔6, ctwo cfor ceach cpair
In cthe cprevious clecture, cwe csaid cthat cthis cstar cconfiguration cis cthe cmost cefficient cnetwork cstructure cfor cour cnetwork.
cHowever, cbesides call ceconomic cefficiency, cwhat cis cthe cdanger cwe cjust cdiscovered? c- cCORRECT cANS✔✔-the cnetwork
cmight cnot cbe cstable, cas csome cnode cmight cwant cto cleave cor cchange
-the ctotal csocial cnet cefficiency cis cnot cfairly cdistributed camong call cmembers cof csociety
-since cdirect clinks care cmost ccostly cthan cindirect clinks, csome cnodes cbenefit cmore cthan cothers
Following cthe clogic coutlined chere, cif csome cmembers ccould cstill cincrease ctheir cstatus cby cchanging cthe cnetwork, cwhat ccould
cbe cdone cto cstabilize cthe cexisting cnetwork cstructure? c- cCORRECT cANS✔✔-take caway cfrom cthe cones cthat chave ctoo cmuch
cand cgive cto cthe cones cthat chave ctoo clittle
-redistribute cresources cuntil ceverybody cis cequally cwell coff
-use csubsidies cto cbalance ccosts cand cbenefits camong cdifferent cof cthe cnetwork
What cwas cout cdefinition cof csocial cstability? c- cCORRECT cANS✔✔nobody ccan cimprove cthe cpersonal cstanding cby cmodifying
cthe cexisting csocial cstructure
What cwas cour cdefinition cof c"social cefficiency"? c- cCORRECT cANS✔✔the coverall cnew cbenefit cof cit cis cmaximized cfor cthe
centire cnetwork
Why cdo cyou cneed cless csteps cto cdiffuse csomething cin ca cscale cfree cnetwork ccompared cto ca crandom cnetwork? c- cCORRECT
cANS✔✔hubs ccan creach cmany cnodes cvery cquickly
How cmuch cdo csome ctop ccelebs cget cpaid cper ctweet? c- cCORRECT cANS✔✔$10,000 cor cmore
What care c2 ccomplementary caspects cof ccomputational csocial cscience cLamberson ctalks cabout? c- cCORRECT cANS✔✔empirical
cwork cand ccomputer csimulations
Are ccelebs cthe conly cpeople cto chave cinfluence cin csociety? c- cCORRECT cANS✔✔No
Can cjust canybody cbe cinfluential? c- cCORRECT cANS✔✔yes
What ctrick cdid cLamberson cuse cin corder cto ctrack cwho creposted curl clink cto ca cstory con cTwitter? c- cCORRECT cANS✔✔he
ctracked cshort curl, cwhich care cunique cto cthe cpost
What care c'Twitter cCascades'? c- cCORRECT cANS✔✔an cinfo cdiffusion cprocess con cTwitter cin cwhich ca cnumber cof cpeople
cmake cthe csame cdecision cof cpassing calong cinfo cin ca csequential cfashion
Do call cposts cgo cviral? c- cCORRECT cANS✔✔the cvast cmajority cof cposts cnever cget cretweeted, cbut ca csmall cfraction cof clinks cgo
cviral
If csomething cwent cviral, clooking cat cit, cthere cis ca chigh cprobability cthat cit chad cbeen csent cby can cinfluencer: cp(influencer c|
cviral). cWhat cabout cp(viral c| cinfluencer), cthe cprobability cthat csomething cgoes cviral, cgiven cthat cit cwas csent cby can cinfluencer? c-
cCORRECT cANS✔✔low cprobability
The cproposed cmodel cconsists cof cthe cfollowing: c- cCORRECT cANS✔✔take ca chypothetical cnetwork, cselect csome cnodes, cand
csimulate ca ccontagion cprocess cby cassuming cthat cneighboring cnodes chave ca cfixed cprobability cof cgetting cinfected
The chorizontal cx-axis cpresents: c- cCORRECT cANS✔✔if ca cgiven cnetwork(of csimulated cnetworks) chas cfew cor cmany clinks
What cdetermines cwhat cspreads cor cnot? c- cCORRECT cANS✔✔density cof cnetwork
Even cthough cwe ccannot cpredict cwho cis cinfluential, cwhy cis cit cworthwhile cfor ccompanies cto cpay clarge camounts cof cmoney cto
ccelebs cto csend cmessages? c- cCORRECT cANS✔✔chances care cthat camong cthe cpeople creached cby cthem, csome cturn cout cto
cbe cinfluential, cwho cwill cthe cinfluence cothers
What cdetermines cif can cindividual ccan ctrigger ca ccascade? c- cCORRECT cANS✔✔depends cmuch cmore con cthe cglobal cstructure
cof cthe cinfluence cnetwork cthan cit cdoes con chis cor cher cpersonal cdegree con cinfluence
Can canyone cstart ca ccascade? c- cCORRECT cANS✔✔the coverall cnetwork cpermits cglobal ccascades canyone ccan cstart cone cbut
cif cit cdoesnt cthen cno cone ccan
What cdetermines cif csomeone cis cinfluential? c- cCORRECT cANS✔✔depends con cthe cgeneral cstructure cof cthe cnetwork
What cis cthe cdifference cbetween cthis clecture con csocial cnetwork canalysis cand cthe cprevious clectures con cthe csame ctopic? c-
cCORRECT cANS✔✔today, cwe cwill clook cat cdynamically cevolving cnetworks cand cstarts cto csimulate ctheoretical cnetworks
T cor cF? cIn cscience, cthings ccan cbe cdistributed cin c4 cdiff cways: cnormal, cpoisson, cexponential, cpowerlaw c- cCORRECT
cANS✔✔false
T cor cF? cIn cscience, cthings ccan cbe cdistributed cin crandom, cscale cfree, csmall cworld, chub/spoke cnetworks c- cCORRECT
cANS✔✔false
What cis cone ccommon cway cto cscientifically ctest cwhether cthere's csomething cspecial cabout cyour cnetwork? c- cCORRECT
cANS✔✔you ccreate ca clarge cnumber cof crandom cnetworks cand ccompare cyour cnetwork cwith cit
Let's cassume ca cvery csimple cnetwork cwith c3 cnodes(A,B,C) cand cone c(undirected) clink: cG(N,M) c= cG(3,1). cHow cmany cdifferent
cnetworks ccan cyou cform cwith cthat? c- cCORRECT cANS✔✔3
What cwas cthe cdiffernece cbetween cthe c"numerical csolutions" cand c"analytical csolution"? c- cCORRECT cANS✔✔numerical:
cenumerate cthe coptions cand cbasically ccount
, analytical: cuse cmath cto cderive cthe cresults
In cnetwork canalysis, ca ccomponent cis: c- cCORRECT cANS✔✔a cpart cof cthe cnetwork cin cwhich ca cpath ccan cget cyou cfrom ca
cnode cto cany cother cnode
Why cdo cyou cneed cat cleast cone cconnection cper cnode cin corder cfor cthe cgiant ccomponent cto cdominate? c- cCORRECT
cANS✔✔everybody ccan chave cone cfriend c(on caverage) cmaking ca cchain cof cfriends
Who cwill chave cmore clinks? c- cCORRECT cANS✔✔older cnodes
What cdoes cpreferential cattachment cmean? c- cCORRECT cANS✔✔the cprobability cof ca cnode cto cconnect cwith cnew cnodes
ccorresponds cto cthe cnumber cof cexisting cdegrees cof ca cnode
What cdoes cpreferential cattachment csay cin cthis ccase? cThe cprobability cthat ca cnew cnode: c- cCORRECT cANS✔✔connects cto
ceach cone cof cthem cis cequally clikely
What cdoe csit cmean cthat csomething cis cdistributed caccording cto ca cpower claw? c- cCORRECT cANS✔✔exponentially cfew, chave
cexponentially cmuch, cand cexponentially cmany, chave cexponentially clittle
Why care cmost cof cmy cfriends cconnected cto chighly cconnected cpeople? c- cCORRECT cANS✔✔popular cpeople chave cmany
cconnection, cinevitably calso cincluding cmy cfriends
When cyou cfind ca chigh cclustering ccoefficient, cit cmeans cthat cpeople cgroup ctogether cin cdifferent cdensely cconnected cclusters,
cwhat cdoes cthat cmean? c- cCORRECT cANS✔✔many cpeople chang cout cwith ctheir cgroups cwith clittle cconnection cto cother cgroups
What cdoes cit cmean cto chave ca csmall caverage cpath clength? c- cCORRECT cANS✔✔the cshortest cpath cbetween call cnode csis
cshort con caverage
A csmall cworld cnetwork cis ccharacterized cby c- cCORRECT cANS✔✔a csmall caverage cpath clength cand chigh cclustering ccoefficient
When csocial cscientists csay cthat csocieties cconsist cof csmall cworld cnetworks, cwhat cdo cthey cmean? c- cCORRECT
cANS✔✔people chave cboth cclose cconnections cin ctight cgroups cand cquick caccess cto ceverybody
What chas cbenefits cbut calso ccosts? c- cCORRECT cANS✔✔creating cand cmaintaining clinks cwith cothers
What cis coften cmeant cwhen csocial cscientists csay cthat ca cdynamic csocial cconfiguration chas cbecome cstable? c- cCORRECT
cANS✔✔nobody ccould cbenefit cfrom cchanging canything cin cthe cconfiguration
If cthere cis calmost cno ccost cto ccreate cand cmaintain cconnection, cwhat cnetwork cwill cevolve? c- cCORRECT cANS✔✔a cclique
If cthere cis ca cvery chigh ccost cto ccreate cand cmaintain cconnections, cwhat cnetwork cwill cevolve? c- cCORRECT cANS✔✔a cnetwork
cwithout cany clinks
What cis cthe caverage cpath clength cin ca cstar cnetwork cconfiguration(assume cmany cnodes caround ca csingle chub)? c- cCORRECT
cANS✔✔about c2
Why cdo c(according cto cour cmodel cassumptions) cindirect cconnects chave cbenefits cbut cno ccosts? c- cCORRECT cANS✔✔the
clower cleft cnode cstill conly cneeds cto cmaintain cone cconnection(to cthe cupper cleft cnode), cand cmaintaining cconnections care
cassumed cto chave ccosts
How cdo cwe cget c6 cbenefits cand c6 ccosts? c- cCORRECT cANS✔✔there care c6 cdegrees(incoming/outgoing carrows)
How cmany cindirect cbenefits cdo cwe cget cnow? c- cCORRECT cANS✔✔6, ctwo cfor ceach cpair
In cthe cprevious clecture, cwe csaid cthat cthis cstar cconfiguration cis cthe cmost cefficient cnetwork cstructure cfor cour cnetwork.
cHowever, cbesides call ceconomic cefficiency, cwhat cis cthe cdanger cwe cjust cdiscovered? c- cCORRECT cANS✔✔-the cnetwork
cmight cnot cbe cstable, cas csome cnode cmight cwant cto cleave cor cchange
-the ctotal csocial cnet cefficiency cis cnot cfairly cdistributed camong call cmembers cof csociety
-since cdirect clinks care cmost ccostly cthan cindirect clinks, csome cnodes cbenefit cmore cthan cothers
Following cthe clogic coutlined chere, cif csome cmembers ccould cstill cincrease ctheir cstatus cby cchanging cthe cnetwork, cwhat ccould
cbe cdone cto cstabilize cthe cexisting cnetwork cstructure? c- cCORRECT cANS✔✔-take caway cfrom cthe cones cthat chave ctoo cmuch
cand cgive cto cthe cones cthat chave ctoo clittle
-redistribute cresources cuntil ceverybody cis cequally cwell coff
-use csubsidies cto cbalance ccosts cand cbenefits camong cdifferent cof cthe cnetwork
What cwas cout cdefinition cof csocial cstability? c- cCORRECT cANS✔✔nobody ccan cimprove cthe cpersonal cstanding cby cmodifying
cthe cexisting csocial cstructure
What cwas cour cdefinition cof c"social cefficiency"? c- cCORRECT cANS✔✔the coverall cnew cbenefit cof cit cis cmaximized cfor cthe
centire cnetwork
Why cdo cyou cneed cless csteps cto cdiffuse csomething cin ca cscale cfree cnetwork ccompared cto ca crandom cnetwork? c- cCORRECT
cANS✔✔hubs ccan creach cmany cnodes cvery cquickly
