Kev ua ub no

Ntsiab:

  • degree ntawm teeb meem: ib qho yooj yim yooj yim , medium nruab nrab , nyuaj nyuaj , Nyuaj nyuaj heev
  • yuav tsum tau kev ua lej ( yuav tsum tau kev ua lej )
  • yuav tsum tau cai ( yuav tsum tau cai )
  • cov ntaub ntawv sau ( cov ntaub ntawv sau )
  • kuv favorites ( kuv nyiam )

  1. [ nyuaj , yuav tsum tau kev ua lej ] Nyob rau hauv tshooj, kuv yog heev zoo txog post-stratification. Txawm li cas los, nws tsis yeej ib txwm zoo ntawm kev kwv yees. Tsim ib qhov teeb meem nyob qhov twg yuav tswg-stratification yuav txo tau qhov zoo tshaj ntawm kev kwv yees. (Rau ib hint, saib Thomsen (1973) ).

  2. [ nyuaj , cov ntaub ntawv sau , yuav tsum tau cai ] Tsim thiab coj ib lub uas tsis yog-yuav qhov muaj tseeb daim ntawv ntsuam xyuas rau Amazon MTurk nug txog rab phom tswv cuab ( "Koj, los yog ua leej twg nyob rau hauv koj tsev neeg, nyias muaj nyias ib rab phom, phom loj los yog rab yaj phom? Yog hais tias koj los yog lwm tus neeg hauv koj tsev neeg?") Thiab cwj pwm ntawm rab phom tswj ( "yuav ua li cas koj xav hais tias yog tseem ceeb-rau tiv thaiv txoj cai ntawm cov neeg Asmeskas los nyias muaj nyias phom, los tswj rab phom tswv cuab?").

    1. Ntev npaum li cas koj daim ntawv ntsuam xyuas tau? Ntau npaum li cas nws raug nqi? Yuav ua li cas lub demographics ntawm koj cov hnoos qeev piv rau cov demographics ntawm lub US pejxeem?
    2. Yuav ua li cas yog cov nqaij nyoos kwv yees ntawm rab phom tswv cuab siv koj cov hnoos qeev?
    3. Tseeb rau cov uas tsis yog-representativeness ntawm koj cov hnoos qeev siv post-stratification los yog ib txhia lwm cov txheej txheem. Tam sim no dab tsi yog qhov kwv yees ntawm rab phom tswv cuab?
    4. Yuav ua li cas koj kwv yees piv mus rau qhov tseeb kwv yees los ntawm lub rooj zaum Kev tshawb fawb Center? Yuav ua li cas koj xav hais tias piav qhia txog lub discrepancies, Yog hais tias muaj tej yam?
    5. Rov qab ce 2-5 rau cwj pwm mus rau rab phom tswj. Yuav ua li cas koj tshawb pom txawv?

  3. [ nyuaj heev , cov ntaub ntawv sau , yuav tsum tau cai ] Goel thiab lug txhawb cov miv (2016) muab ib tug uas tsis yog-yuav qhov muaj tseeb raws li daim ntawv ntsuam xyuas uas muaj 49 ntau-xaiv xeebceem lus nug los ntawm cov General Social Survey (GSS) thiab xaiv cov ntawv tshawb fawb los ntawm lub rooj zaum Kev tshawb fawb Center rau Amazon MTurk. Lawv ces kho rau qhov uas tsis yog-representativeness ntawm cov ntaub ntawv siv cov qauv-raws li post-stratification (Mr. P), thiab piv tau cov tom kev kwv yees nrog rau cov kwv yees li siv ntau yam raws li GSS / rooj zaum ntawv tshawb fawb. Kev tib daim ntawv ntsuam xyuas rau MTurk thiab sim rau replicate Daim Duab 2a thiab Daim duab 2b los ntawm muab piv koj hloov kho kev kwv yees nrog rau cov kev kwv yees los ntawm cov feem ntau tsis ntev los no rounds ntawm GSS / rooj zaum (Saib Daim Ntawv Ntxiv Rooj A2 rau hauv daim ntawv ntawm 49 cov lus nug).

    1. Sib piv thiab txawv koj tau mus rau cov kev tshwm sim los ntawm lub rooj zaum thiab GSS.
    2. Sib piv thiab txawv koj tau mus rau cov kev tshwm sim los ntawm cov MTurk daim ntawv ntsuam xyuas nyob rau hauv Goel, Obeng, and Rothschild (2016) .

  4. [ nruab nrab , cov ntaub ntawv sau , yuav tsum tau cai ] Muaj ntau cov kev tshawb fawb siv self-daim ntawv qhia kev ntsuas ntawm lub xov tooj txawb ua si cov ntaub ntawv. Qhov no yog ib qho kev nthuav chaw qhov twg soj ntsuam yuav piv nws tus kheej-qhia tus cwj pwm nrog in thiaj li tso tus cwj pwm (saib xws li, Boase and Ling (2013) ). Ob qho cwj pwm nug txog hu thiab texting, thiab ob ntau lub sij hawm ntas yog "nag hmo" thiab "nyob rau hauv lub limtiam uas dhau los."

    1. Ua ntej sau tej ntaub ntawv, uas ntawm nws tus kheej-daim ntawv qhia kev ntsuas koj xav tias yog ntau yog? Vim li cas?
    2. Txhij 5 ntawm koj cov phooj ywg yuav tsum tau nyob rau hauv koj daim ntawv ntsuam xyuas. Thov luv luv lub ntsab lug yuav ua li cas no 5 cov phooj ywg tau sampled. Tej zaum qhov no piv txwv txoj kev ntxias tej biases nyob rau hauv koj kwv?
    3. Thov nug li nram no micro-daim ntawv ntsuam xyuas:
    • "Yuav ua li cas muaj ntau zaus koj puas siv lub xov tooj txawb hu xov tooj rau lwm tus neeg nag hmo?"
    • "Yuav ua li cas muaj ntau yam ntawv nyeem lus koj puas tau xa nag hmo?"
    • "Yuav ua li cas muaj ntau zaus koj puas siv koj lub xov tooj txawb hu xov tooj rau lwm tus neeg nyob rau hauv lub xya hnub?"
    • "Yuav ua li cas muaj ntau zaus ua rau koj siv koj lub xov tooj txawb xa los yog tau txais ntawv nyeem lus / SMS nyob rau hauv lub xya hnub?" Thaum cov daim ntawv ntsuam xyuas yog ua kom tiav, hais mus xyuas lawv pab cov ntaub ntawv raws li in thiaj li tso los ntawm lawv cov xov tooj los yog kev pab kho mob.
    1. Yuav ua li cas self-daim ntawv qhia pab piv rau teev cov ntaub ntawv? Uas yog tshaj plaws yog, uas yog tsawg kawg yog muaj tseeb?
    2. Tam sim no muab cov ntaub ntawv uas koj tau sau cov ntaub ntawv los ntawm lwm tus neeg nyob rau hauv koj cov chav kawm (yog hais tias koj ua li no kev ua rau ib tug hauv chav kawm ntawv). Nrog rau qhov no loj dataset, rov qab ib feem (d).

  5. [ nruab nrab , cov ntaub ntawv sau ] Schuman thiab Presser (1996) cam hais tias lo lus nug kev txiav txim yuav txawv rau ob hom ntawm kev sib raug zoo ntawm cov lus nug: part-ib feem cov lus nug uas ob tug cov lus nug yog nyob rau tib theem ntawm tseem (xws li kev ntawm ob thawj tswj sib tw); thiab ib feem-tag nrho cov lus nug nyob qhov twg ib tug general lo lus nug li nram no ib tug ntau lo lus nug (xws li nug "Yuav ua li cas txaus siab yog koj nrog koj ua hauj lwm?" raws li los ntawm "Yuav ua li cas txaus siab yog koj nrog koj lub neej?").

    Lawv ntxiv tuab ob hom lus nug kev txiav txim zoo: taub hau los tshwm sim thaum cov lus teb rau ib tug tom qab lo lus nug no coj tuaj los ze zog (dua li lawv yuav txwv tsis pub muaj) rau cov uas muab rau ib tug ua ntej lawm lo lus nug; txawv los tshwm sim thaum muaj ntau dua kev sib txawv ntawm cov lus teb rau ob lo lus nug.

    1. Tsim ib tug khub ntawm ib feem-ib feem cov lus nug uas koj xav tias yuav muaj ib tug loj lo lus nug thiaj nyhuv, ib khub ib feem-tag nrho cov lus nug uas koj xav tias yuav muaj ib tug loj kev txiav txim zoo, thiab lwm khub ntawm cov lus nug uas nws txiav txim koj xav tias yuav tsis txawv. Khiav ib daim ntawv ntsuam xyuas xyaum ua tej yam rau MTurk mus ntsuam xyuas koj cov lus nug.
    2. Yuav ua li cas loj yog tus ib feem-ib feem nyhuv koj twb tau mus tsim? Yog nws ib tug taub hau los yog zoo nyhuv?
    3. Yuav ua li cas loj yog tus ib feem-tag nrho cov nyhuv koj twb tau mus tsim? Yog nws ib tug taub hau los yog zoo nyhuv?
    4. Yog muaj ib lo lus nug thiaj zoo nyob rau hauv koj khub qhov chaw uas koj tsis xav tias qhov kev txiav txim yuav os?

  6. [ nruab nrab , cov ntaub ntawv sau ] Tsev rau ntawm lub chaw ua hauj lwm ntawm Schuman thiab Presser, Moore (2002) qhia txog ib tug nyias muaj nyias ib dimension ntawm lo lus nug thiaj nyhuv: additive thiab rho. Thaum zoo thiab taub hau los yog ua raws li ib tug yuav tau txais cov neeg 'kev soj ntsuam los ntawm ob yam khoom nyob rau hauv kev sib raug zoo rau txhua tus lwm yam, additive thiab rho los yog ua thaum cov neeg no yog ua los rhiab rau lub loj lub moj khaum tsis pub dhau uas cov nqe lus nug yog nyiag. Nyeem Moore (2002) , ces tsim thiab khiav ib daim ntawv ntsuam xyuas xyaum ua tej yam rau MTurk ua kom pom additive los yog rho los.

  7. [ nyuaj , cov ntaub ntawv sau ] Christopher Antoun thiab lug txhawb cov miv (2015) ua ib txoj kev kawm muab piv rau cov kab ntsab kuaj tau los ntawm plaub txawv online nrhiav neeg ua hauj qhov chaw: MTurk, Craigslist, Google Adwords thiab Facebook. Tsim ib tug yooj yim daim ntawv ntsuam xyuas thiab nrhiav neeg koom los ntawm tsawg kawg yog ob tug sib txawv online nrhiav neeg ua hauj qhov chaw (lawv muaj peev xwm yuav txawv qhov chaw ntawm lub plaub qhov chaw siv nyob rau hauv Antoun et al. (2015) ).

    1. Sib piv cov nqi ib nrhiav, nyob rau hauv cov nqe lus ntawm cov nyiaj thiab lub sij hawm, nyob nruab nrab ntawm qhov chaw sib txawv.
    2. Sib piv cov muaj pes tsawg leeg ntawm qhov kev kuaj tau los ntawm ntau qhov chaw.
    3. Muab piv rau qhov zoo ntawm cov ntaub ntawv ntawm qhov kev kuaj. Rau cov tswv yim hais txog yuav ua li cas los ntsuas cov ntaub ntawv zoo los ntawm cov neeg, saib Schober et al. (2015) .
    4. Yuav ua li cas yog koj nyiam qhov twg los? Vim li cas?

  8. [ nruab nrab ] YouGov, ib internet-raws li kev ua lag luam kev tshawb fawb ruaj, ua online chaw xaiv tsa ntawm ib tug vaj huam sib luag ntawm txog 800,000 cov neeg nyob rau hauv lub UK thiab siv Mr. P. twv seb lub txiaj ntsim ntawm EU Referendum (ie, Brexit) qhov twg lub UK xaiv tsa pov npav tog twg los nyob twj ywm nyob rau hauv los yog tawm hauv lub European Union.

    Ib tug paub piav qhia txog ntawm YouGov lub statistical qauv nyob ntawm no (https://yougov.co.uk/news/2016/06/21/yougov-referendum-model/). Roughly hais lus, YouGov partitions cov tibneeg mus rau hauv hom raws li 2015 kev xaiv tsa pov npav xaiv, hnub nyoog, tsim nyog, yog txivneej los pojniam, hnub kev sib tham, raws li zoo raws li lub constituency lawv nyob rau hauv. Ua ntej, lawv siv cov ntaub ntawv sau los ntawm lub YouGov panelists kwv yees, cov uas xaiv tsa, cov kev faib ua feem ntawm cov neeg ntawm txhua pov ntawv xaiv tsa hom uas npaj siab yuav mus pov npav Leave. Lawv kwv yees turnout ntawm txhua pov ntawv xaiv tsa hom los ntawm kev siv lub 2015 British Xaiv Tsa txoj kev tshawb no (bes) post-kev xaiv tsa lub ntsej muag-rau-lub ntsej muag daim ntawv ntsuam xyuas, uas validated turnout los ntawm cov neeg xaiv nom yob. Thaum kawg, lawv kwv yees yuav ua li cas muaj coob tus neeg muaj yog txhua pov ntawv xaiv tsa hom nyob rau hauv lub electorate raws li tseeb Census thiab ib xyoos ib zaug Pejxeem Survey (nrog ib co tas li ntawd cov lus qhia los ntawm cov bes, YouGov daim ntawv ntsuam xyuas cov ntaub ntawv los ntawm ib ncig ntawm lub kev xaiv tsa, thiab cov lus qhia yuav ua li cas muaj coob tus neeg pom zoo rau txhua tog nyob rau hauv txhua constituency).

    Peb hnub ua ntej lub pov ntawv tawm suab, YouGov pom ib tug ob point lead rau Leave. Nyob rau Eve ntawm pov npav, cov chaw xaiv tsom heev hu mus rau (49-51 Nyob). Qhov kawg rau-tus-hnub txoj kev tshawb no kwv yees 48/52 nyob rau hauv dej siab ntawm cov Nyob (https://yougov.co.uk/news/2016/06/23/yougov-day-poll/). Nyob rau hauv qhov tseeb, qhov no kwv yees tsis tau zaum kawg tshwm sim (52-48 Leave) los ntawm plaub feem pua ​​ntsiab lus.

    1. Siv tag nrho cov daim ntawv ntsuam xyuas kev ua yuam kev moj khaum los sib tham nyob rau hauv tshooj no los ntsuam xyuas dab tsi yuav tau ploj mus tsis ncaj ncees lawm.
    2. YouGov lub teb tom qab qhov kev xaiv tsa (https://yougov.co.uk/news/2016/06/24/brexit-follows-close-run-campaign/) piav hais tias: "Qhov no yog nkawd nyob rau hauv ib tug loj ib feem vim turnout - ib yam dab tsi uas peb tau hais tias tag nrho nrog yuav tseem ceeb heev rau lub sij hawm ntawm xws li ib tug finely kuas haiv neeg. Peb turnout qauv raws li, nyob rau hauv ib feem, nyob rau seb cov neeg tau pom zoo nyob rau lub xeem kev xaiv tsa thiab ib tug turnout theem saum toj no uas ntawm lub tuam xaiv tsa chim lub qauv, tshwj xeeb yog nyob rau hauv lub North. "Qhov no puas hloov koj cov lus teb rau ib feem (a)?

  9. [ nruab nrab , yuav tsum tau cai ] Sau ib simulation los qhia txhua tus cov sawv cev uas tsis nyob rau hauv Daim duab 3.1.

    1. Tsim ib qhov teeb meem nyob qhov twg cov uas tsis tau rho tawm.
    2. Tsim ib qhov teeb meem nyob qhov twg cov uas tsis compound txhua lwm yam.

  10. [ nyuaj heev , yuav tsum tau cai ] Cov kev tshawb fawb ntawm Blumenstock thiab lug txhawb cov miv (2015) muab kev koom tes tsim tau ib tug tshuab kev kawm cov qauv uas yuav siv cov cim tseg cov ntaub ntawv twv seb daim ntawv ntsuam xyuas cov lus teb. Tam sim no, koj yuav mus sim cov qub tshaj plaws nrog ib tug txawv dataset. Kosinski, Stillwell, and Graepel (2013) pom tias Facebook nyiam yuav twv seb tus neeg co uas muaj ntsis thiab cwj pwm. Kuj ceeb tias, cov twv yuav ua tau txawm ntau yog tshaj li cov neeg ntawm cov phooj ywg thiab npoj yaig (Youyou, Kosinski, and Stillwell 2015) .

    1. Nyeem Kosinski, Stillwell, and Graepel (2013) , thiab replicate Daim duab 2. Lawv cov ntaub ntawv muaj nyob ntawm no: http://mypersonality.org/
    2. Tam sim no, replicate Daim duab 3.
    3. Thaum kawg, sim lawv cov qauv nyob rau hauv koj tus kheej Facebook cov ntaub ntawv: http://applymagicsauce.com/. Yuav ua li cas zoo li cas nws ua hauj lwm rau koj?

  11. [ nruab nrab ] Toole et al. (2015) siv hu nthuav dav cov ntaub ntawv (CDRs) los ntawm cov xov tooj txawb twv seb sau ua ib pawg nyiaj poob hauj lwm tiam sis.

    1. Sib piv thiab txawv qhov tsim ntawm Toole et al. (2015) nrog Blumenstock, Cadamuro, and On (2015) .
    2. Koj puas xav tias CDRs yuav tsum tau hloov tsoos tshawb fawb, Nkij los txuam rau lawv los yog siv tsis tau rau tag nrho cov rau tsoom fwv ntse los teev cia cov nyiaj poob hauj lwm? Vim li cas?
    3. Yuav ua li cas pov thawj yuav hais tau rau koj tias CDRs yuav kiag li hloov tsoos ntsuas ntawm lub nyiaj poob hauj lwm tus nqi?

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