Sullivanch01-Essentials Iof IBiostatistics Iin IPublic IHealth, I3e
1 A Isubset Iof Ithe Ipopulation Iof Iinterest Iis Ioften Ireferred Ito
IbyIwhat Istatistical Iterm?
A Isample Iof Iindividuals
A Isubculture Iof
IindividualsIA Iclass Iof
Iindividuals
A Iminority Igroup
2 The Imeasure Iof Iuncertainty Iin Ia Ibiostatistician's Icalculation
Iof Ia Iparticular Ioutcome Ithat Imay Iresult Ifrom Iusing Ia
Isubset Iof
the Ipopulation Ito Iestimate Ithe Iactual Ilikelihood Iof Ithe
Ievent Ioccurring Iin Ithe Ipopulation Ias Ia Iwhole Iis Ireferred
Ito Iby IwhatIstatistical Iterm?
A Ichance Ierror
A Isystematic
IerrorIA Istandard
I error IA Imargin
3 Which of Ithe Ifollowing Imost Iappropriately Idescribes Ihow
Iof IIerror
ItheIdata Ifrom Ia Icross-sectional Istudy Ican Ibe Iapplied Ito Ia
population?
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Ican
IbeIapplied Ito Inew Ior Ichanging Ipopulations Iregardless Iof
Ithe
amount Iof Itime Ithat Ihas Ipassed Isince Ithe Istudy
IwasIconducted.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Iis
IonlyIapplicable Ito Ithe Ioriginal Ipopulation Iof Iinterest
Iduring Ithe Itime Ithat Ithe Istudy Iwas Iconducted.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy
IisIapplicable Ito Iany Igroup Iof Iindividuals Iwith Isimilar
Icharacteristics Ito Ithe Ioriginal Ipopulation Iof Iinterest.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Iis
applicable Ito Iall Iindividuals Iregardless Iof Ihow Imuch
IthoseIindividuals Idiffer Ifrom Ithe Ioriginal Ipopulation Iof
4 Researchers Ihave Iconducted Ia Istudy Iand Idetermined Ithat
Iinterest.
ItheIrelative Irisk Ifor Ideveloping Ia Icold Ifor Iindividuals Itaking
vitamin IC Iis I0.47 Iwhen Icompared Ito Ithe Inumber Iof
participants Iin Ithe Istudy Iwho Ideveloped Ia Icold Iwhile
InotItaking Ivitamin IC. IThis Iis Ian Iindication Iof Iwhich Iof Ithe
Ifollowing?
This Iindicates Ithat Ipeople Iwho Itook Ivitamin IC Iwere
I47% Imore Ilikely Ito Icatch Ia Icold Iand Ithat Itaking Ivitamin
IC ImakesIpeople Imore Isusceptible Ito Icatching Ia Icold.
This Iindicates Ithat Ithe Iindividuals Itaking Ivitamin IC
Iwere I47% Iless Ilikely Ito Icatch Ia Icold Iand Ithat Itaking
Ivitamin IC IhasIa Iprotective Ieffect, Imaking Ithem Iless Ilikely
Ito Icatch Ia Icold.
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, This Iindicates Ithat Ithe Iindividuals Itaking Ivitamin IC
Iwere I53% Iless Ilikely Ito Icatch Ia Icold Iand Ithat Itaking
Ivitamin IC IhasIa Iprotective Ieffect, Imaking Ithem Iless Ilikely
Ito Icatch Ia Icold.
Only Irelative Irisk Iratios Iabove Ione Iare Istatistically
Isignificant, Ia Irelative Irisk Iratio Ibelow Ione Iindicates Ithere Iis
InoIdifference Ibetween Ithe Iindividuals Iwho Itake Ivitamin IC
Iand
5 Which is Ithe Imost
those IIindividuals Iimportant
Iwho Ido Inot.Ifactor Iin Idetermining Iwhich
populations Ia Iwell-designed Istudy's Iresults Ican Ibe Iapplied
Ito?
The Iinclusion Iand Iexclusion Icriteria Ifor Ithe
IstudyIThe Irandomization Iof Iparticipants Ifor Ia
Istudy
The Itype Iof Istudy Ibeing Iconducted
6 True IorIpresence
The IFalse? IBiostatistics Iis
Iof Iblinding Idefined IasIthe
Ithroughout ItheIstudy
Iapplication
IofIstatistical Iprinciples Iin Imedicine, Ipublic Ihealth, Ior
Ibiology.
TrueI
False
7 True Ior IFalse? IThe Idata Icollected Iin Ia Ibiostatistics Istudy
IcanIbe Iapplied Ito Iany Ipopulation Iregardless Iof Irace,
Iclass, Iand Isocioeconomic Istatus.
TrueI
False
8 True Ior IFalse? IA Irelative Irisk Iof I5.67 Iindicates Ithat Ithe
Igroup Iof Iindividuals Iin Ia Istudy Iexposed Ito Ithe Iparticular
Ivariable Iof Iinterest Iare I5.67 Itimes Imore Ilikely Ito
Iexperience Ithe IobservedIoutcome Ibeing Istudied.
TrueI
False
9 True Ior IFalse? IOftentimes Iit Iis Imore Idifficult Ito Iestablish Ia
relationship Ibetween Ia Iparticular Idisease Ioutcome Iand Ia
IriskIfactor Iamong Iolder Iadults Ibecause Ithey Ialso Ihave
Iother Irisk Ifactors Ifor Idisease.
TrueI
False
10 True Ior IFalse? IRandomization Iof Iclinical Itrial Iparticipants
IisIimportant Ito Iensure Ithat Iclinical Itrial Iparticipants Iin
Ithe
treatment Igroup Iand Icomparator Igroup Iallow Ithe Istudy's
results Ito Ibe Igeneralized Ito Ithe Ipopulation Ias Ia Iwhole,
IandInot Ijust Ithe Isubgroup Iof Iindividuals Ithat Iparticipated
Iin Ithe
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, study Ibecause Iof Ithe Ibalance Ipromoted Ithrough
ItheIrandomization Iprocess.
TrueI
False
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, 7/9/2020 Untitled
IDocument
Sullivanch02-Essentials Iof IBiostatistics Iin IPublic IHealth, I3e
1 The Iminimization Iof Ibias Iand Iconfounding Iin Iclinical
Itrials IisIobtained Ithrough Ithe Iuse Iof Iwhich Iof Ithe
Ifollowing?
Screening Iof Istudy Iparticipants Iduring Irecruitment
ItoIeliminate Ivariation Iamong Iparticipants
The Iestablishment Iof Istringent Iinclusion Icriteria
IensuringIparticipants Ithat Iare Iall Isimilar
The Ielimination Iof Ivariation Ithrough Ithe Iestablishment
IofIdetailed Iexclusion Icriteria
Randomization Iof Istudy Iparticipants Ito Imake
IgroupsIcomparable Iin Iall Irespects
2 A Iresearcher Iis Iinterested Iin Idetermining Ithe Icurrent
prevalence Iof Irheumatoid Iarthritis Iin Ithe IUnited IStates.
IWhichItype Iof Istudy Iwould Ibe Imost Iuseful Iin Iestimating Ithe
prevalence Iof Irheumatoid Iarthritis Iin Ithe IUnited IStates?
A Inested Icohort Istudy
A I cross-sectional I survey
IA Irandomized Iclinical
ItrialIA Icase-crossover
Istudy
3 A Inumber Iof Ipatients Ihave Ibeen Iadmitted Ito Ia Iparticular
Ihospital Iwith Isimilar Isymptoms Iand Ithe Icause Iof Ithe
Iillness IisIunknown. IWhich Itype Iof Istudy Idesign Iwould Ibe
Imost Ihelpful Iin Idetermining Ithe Icause Iof Ithe Iillness?
A Irandomized
ItrialIA Icase Iseries
A Iretrospective
IcohortIA Icase-control
Istudy
4 Misclassification Ibias Iis Imost Ilikely Ito Ibe Iobserved Iin
IwhichIstudy Itype?
A Irandomized Icontrol
ItrialIA I cross-sectional
I survey IA Iprospective
Icohort
A Icase-control Istudy
5 A Inovice Iresearcher Inoted Ithat Iduring Isummertime Ithere
Iis IaIpositive Iassociation Ibetween Ithe Iincrease Iin Iice Icream
Isales Iand Ithe Iincrease Iin Ithe Inumber Iof Idrownings;
Ihowever, IthereIis Ino Ilogical Iexplanation Ifor Iwhy Iice Icream
Isales Iwould Ibe
responsible Ifor Ithe Iincreased Iincidence Iof Idrowning.
IWhatIphenomenon Ilikely Iexplains Ithis Itype Iof
Iobservation?
Placebo Ieffect
IConcurrency
IConfounding
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IMisclassification
IBias
1 A Isubset Iof Ithe Ipopulation Iof Iinterest Iis Ioften Ireferred Ito
IbyIwhat Istatistical Iterm?
A Isample Iof Iindividuals
A Isubculture Iof
IindividualsIA Iclass Iof
Iindividuals
A Iminority Igroup
2 The Imeasure Iof Iuncertainty Iin Ia Ibiostatistician's Icalculation
Iof Ia Iparticular Ioutcome Ithat Imay Iresult Ifrom Iusing Ia
Isubset Iof
the Ipopulation Ito Iestimate Ithe Iactual Ilikelihood Iof Ithe
Ievent Ioccurring Iin Ithe Ipopulation Ias Ia Iwhole Iis Ireferred
Ito Iby IwhatIstatistical Iterm?
A Ichance Ierror
A Isystematic
IerrorIA Istandard
I error IA Imargin
3 Which of Ithe Ifollowing Imost Iappropriately Idescribes Ihow
Iof IIerror
ItheIdata Ifrom Ia Icross-sectional Istudy Ican Ibe Iapplied Ito Ia
population?
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Ican
IbeIapplied Ito Inew Ior Ichanging Ipopulations Iregardless Iof
Ithe
amount Iof Itime Ithat Ihas Ipassed Isince Ithe Istudy
IwasIconducted.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Iis
IonlyIapplicable Ito Ithe Ioriginal Ipopulation Iof Iinterest
Iduring Ithe Itime Ithat Ithe Istudy Iwas Iconducted.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy
IisIapplicable Ito Iany Igroup Iof Iindividuals Iwith Isimilar
Icharacteristics Ito Ithe Ioriginal Ipopulation Iof Iinterest.
The Idata Igenerated Ifrom Ia Icross-sectional Istudy Iis
applicable Ito Iall Iindividuals Iregardless Iof Ihow Imuch
IthoseIindividuals Idiffer Ifrom Ithe Ioriginal Ipopulation Iof
4 Researchers Ihave Iconducted Ia Istudy Iand Idetermined Ithat
Iinterest.
ItheIrelative Irisk Ifor Ideveloping Ia Icold Ifor Iindividuals Itaking
vitamin IC Iis I0.47 Iwhen Icompared Ito Ithe Inumber Iof
participants Iin Ithe Istudy Iwho Ideveloped Ia Icold Iwhile
InotItaking Ivitamin IC. IThis Iis Ian Iindication Iof Iwhich Iof Ithe
Ifollowing?
This Iindicates Ithat Ipeople Iwho Itook Ivitamin IC Iwere
I47% Imore Ilikely Ito Icatch Ia Icold Iand Ithat Itaking Ivitamin
IC ImakesIpeople Imore Isusceptible Ito Icatching Ia Icold.
This Iindicates Ithat Ithe Iindividuals Itaking Ivitamin IC
Iwere I47% Iless Ilikely Ito Icatch Ia Icold Iand Ithat Itaking
Ivitamin IC IhasIa Iprotective Ieffect, Imaking Ithem Iless Ilikely
Ito Icatch Ia Icold.
localhost/viewquestions_new2.php?cat=34&button=Submit 1/3
, This Iindicates Ithat Ithe Iindividuals Itaking Ivitamin IC
Iwere I53% Iless Ilikely Ito Icatch Ia Icold Iand Ithat Itaking
Ivitamin IC IhasIa Iprotective Ieffect, Imaking Ithem Iless Ilikely
Ito Icatch Ia Icold.
Only Irelative Irisk Iratios Iabove Ione Iare Istatistically
Isignificant, Ia Irelative Irisk Iratio Ibelow Ione Iindicates Ithere Iis
InoIdifference Ibetween Ithe Iindividuals Iwho Itake Ivitamin IC
Iand
5 Which is Ithe Imost
those IIindividuals Iimportant
Iwho Ido Inot.Ifactor Iin Idetermining Iwhich
populations Ia Iwell-designed Istudy's Iresults Ican Ibe Iapplied
Ito?
The Iinclusion Iand Iexclusion Icriteria Ifor Ithe
IstudyIThe Irandomization Iof Iparticipants Ifor Ia
Istudy
The Itype Iof Istudy Ibeing Iconducted
6 True IorIpresence
The IFalse? IBiostatistics Iis
Iof Iblinding Idefined IasIthe
Ithroughout ItheIstudy
Iapplication
IofIstatistical Iprinciples Iin Imedicine, Ipublic Ihealth, Ior
Ibiology.
TrueI
False
7 True Ior IFalse? IThe Idata Icollected Iin Ia Ibiostatistics Istudy
IcanIbe Iapplied Ito Iany Ipopulation Iregardless Iof Irace,
Iclass, Iand Isocioeconomic Istatus.
TrueI
False
8 True Ior IFalse? IA Irelative Irisk Iof I5.67 Iindicates Ithat Ithe
Igroup Iof Iindividuals Iin Ia Istudy Iexposed Ito Ithe Iparticular
Ivariable Iof Iinterest Iare I5.67 Itimes Imore Ilikely Ito
Iexperience Ithe IobservedIoutcome Ibeing Istudied.
TrueI
False
9 True Ior IFalse? IOftentimes Iit Iis Imore Idifficult Ito Iestablish Ia
relationship Ibetween Ia Iparticular Idisease Ioutcome Iand Ia
IriskIfactor Iamong Iolder Iadults Ibecause Ithey Ialso Ihave
Iother Irisk Ifactors Ifor Idisease.
TrueI
False
10 True Ior IFalse? IRandomization Iof Iclinical Itrial Iparticipants
IisIimportant Ito Iensure Ithat Iclinical Itrial Iparticipants Iin
Ithe
treatment Igroup Iand Icomparator Igroup Iallow Ithe Istudy's
results Ito Ibe Igeneralized Ito Ithe Ipopulation Ias Ia Iwhole,
IandInot Ijust Ithe Isubgroup Iof Iindividuals Ithat Iparticipated
Iin Ithe
localhost/viewquestions_new2.php?cat=34&button=Submit 2/3
, study Ibecause Iof Ithe Ibalance Ipromoted Ithrough
ItheIrandomization Iprocess.
TrueI
False
localhost/viewquestions_new2.php?cat=34&button=Submit 3/3
, 7/9/2020 Untitled
IDocument
Sullivanch02-Essentials Iof IBiostatistics Iin IPublic IHealth, I3e
1 The Iminimization Iof Ibias Iand Iconfounding Iin Iclinical
Itrials IisIobtained Ithrough Ithe Iuse Iof Iwhich Iof Ithe
Ifollowing?
Screening Iof Istudy Iparticipants Iduring Irecruitment
ItoIeliminate Ivariation Iamong Iparticipants
The Iestablishment Iof Istringent Iinclusion Icriteria
IensuringIparticipants Ithat Iare Iall Isimilar
The Ielimination Iof Ivariation Ithrough Ithe Iestablishment
IofIdetailed Iexclusion Icriteria
Randomization Iof Istudy Iparticipants Ito Imake
IgroupsIcomparable Iin Iall Irespects
2 A Iresearcher Iis Iinterested Iin Idetermining Ithe Icurrent
prevalence Iof Irheumatoid Iarthritis Iin Ithe IUnited IStates.
IWhichItype Iof Istudy Iwould Ibe Imost Iuseful Iin Iestimating Ithe
prevalence Iof Irheumatoid Iarthritis Iin Ithe IUnited IStates?
A Inested Icohort Istudy
A I cross-sectional I survey
IA Irandomized Iclinical
ItrialIA Icase-crossover
Istudy
3 A Inumber Iof Ipatients Ihave Ibeen Iadmitted Ito Ia Iparticular
Ihospital Iwith Isimilar Isymptoms Iand Ithe Icause Iof Ithe
Iillness IisIunknown. IWhich Itype Iof Istudy Idesign Iwould Ibe
Imost Ihelpful Iin Idetermining Ithe Icause Iof Ithe Iillness?
A Irandomized
ItrialIA Icase Iseries
A Iretrospective
IcohortIA Icase-control
Istudy
4 Misclassification Ibias Iis Imost Ilikely Ito Ibe Iobserved Iin
IwhichIstudy Itype?
A Irandomized Icontrol
ItrialIA I cross-sectional
I survey IA Iprospective
Icohort
A Icase-control Istudy
5 A Inovice Iresearcher Inoted Ithat Iduring Isummertime Ithere
Iis IaIpositive Iassociation Ibetween Ithe Iincrease Iin Iice Icream
Isales Iand Ithe Iincrease Iin Ithe Inumber Iof Idrownings;
Ihowever, IthereIis Ino Ilogical Iexplanation Ifor Iwhy Iice Icream
Isales Iwould Ibe
responsible Ifor Ithe Iincreased Iincidence Iof Idrowning.
IWhatIphenomenon Ilikely Iexplains Ithis Itype Iof
Iobservation?
Placebo Ieffect
IConcurrency
IConfounding
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IMisclassification
IBias
