WGU C985 VALUATION
TEST WITH THE
CORRECT ANSWERS
Thevqualityvimprovementvteamvisvreviewingvquarterlyvincidentvreportsvandvevaluatingvth
eveffectvofvSixvSigmavstrategiesvonvthevquantityvofvmedicationverrorsvovervthevpastvtwovy
ears.vThevteamvhypothesizesvavcontinuousvreductionvinvmedicalverrorsvforveachvquarter
.v
Thevsamplevconsistsvofvpatientvclinicalvandvdemographicvcharacteristics.vUnfortunately
,vcausationvcannotvbevdeterminedvfromvthevdatavavailable.v
Whichvresearchvmethodvshouldvbevusedvtovtestvthevteam'svhypothesis?v-
vcorrectvanswer-timevseries
Avhospitalvresearchervhasvaccessvtovonevyearvofvhospitalvemergencyvdepartmentvclaim
svdata.vThevresearchervisvinvestigatingvthevassociationvofvracevonvthevtimelinessvofvdeliv
eryvofvcare.vThevsamplevincludesvinformationvonvpatientvdemographics,vinsurancevinfor
mation,vandvemergencyvdepartmentvfactors.vDuevtovpatientvconfidentiality,vthevsamplev
doesvnotvincludevpatientvclinicalvinformationvandvoutcomes.v
Whichvresearchvmethodvshouldvbevused?v-vcorrectvanswer-CrossvSectional
, Whichvtypevofvdatavanalysisvcouldvbevusedvinvquantitativevresearch?v-vcorrectvanswer-
Reportingvthevdistributionvofvresultsvorvoutcomes
Whatvisvavcharacteristicvofvqualitativevresearchvmethods?v-vcorrectvanswer-
Introducesvsubjectivityvtovdatavcollection
Manyvphysicianvpracticesvnowvutilizevanvelectronicvhealthvrecordv(EHR)vsystemvthatvincl
udesvavsecurevmessagingvfeature.vSomevofvthesevpracticesvhavevextendedvtheirvcontac
tvwithvpatientsvbyvconductingvvirtualvvisitsvbetweenvpeoplevwithvdiabetesvandvnursesvwh
ovarevcertifiedvdiabetesveducators.vThevremotevtechnologyvincludesvthevabilityvtovmonito
rvbloodvglucosevdatavtovdeterminevifvthesevvaluesvarevwithinvgoalvrange.vAftervsixvmonth
s,vthevresultsvofvthevbloodvglucosevlevelsvforvthevgroupvparticipatingvinvthevvirtualvvisitsvw
erevevaluated.v
Whichvresearchvmethodvwasvused?v-vcorrectvanswer-Cross-sectional
Avpolicyvanalystvisvinterestedvinvdeterminingvifvthevprospectivevpaymentvsystemv(PPS)vh
asvimprovedvhospitalvefficiencyvovervtimevduringvthevpastvtenvyears.vThevsamplevforvana
lysisvconsistsvofvtenvyearsvofvdatavaftervthevintroductionvofvthevPPSvandvincludesvmeasur
esvofvefficiencyvandvothervrelevantvcontrolvvariables.vThevanalystvhypothesizesvthatvhos
pitalvefficiencyvshouldvhavevincreasedveachvyearvaftervthevPPSvwasvimplemented.v
Whichvresearchvmethodvshouldvthevanalystvuse?v-vcorrectvanswer-TimevSeries
Avresearchervwantsvtovdeterminevwhethervcontinuityvofvcarevisvimprovedvwithvthevusevofv
coordinationvofvcarevdocumentsvamongvprimaryvcarevphysiciansvandvspecialists.vThevre
searchervdecidesvtovreviewvvariousvpublishedvstudiesvtovassessvthevclinicalveffectivene
ssvofvthesevdocumentsvonvpatientvoutcomes.v
Whichvresearchvmethodvisvbeingvused?v-vcorrectvanswer-Meta-analysis
Thevstatevpublicvhealthvresearchervwantsvtovbeginvavfive-
yearvinitiativevtovcoordinatevimmunizationsvforvchildrenvinvthevfostervcarevsystem.vThevre
sultsvwillvbevcomparedvtovpreviousvyearsvtovmeasurevtheveffectivenessvofvthevinitiative.v
Whichvresearchvmethodvshouldvbevusedvtovstudyvthisvinitiative?v-vcorrectvanswer-Pre/
post-study
UsingvpubliclyvreportedvdatavfromvCentersvforvMedicarev&vMedicaidvServices,vresearch
ersvwantvtovexaminevthevrelationshipvbetweenv30-
dayvreadmissionsvandvmortalityvratesvforvpatientsvwithvheartvfailurevatvfivevfacilities.vBef
orevthisvcanvbevdone,vresearchersvneedvtovestimatevmortalityvratesvandvreadmissionvrat
esvfromvheartvfailure.v
Whichvstatisticalvtechniquevshouldvbevusedvtovcalculatevthevestimatedvrates?v-
vcorrectvanswer-Regression vanalysis
Researchersvwantvtovdeterminevifvavparticularvriskvfactorvorvriskvfactorsvarevassociatedvw
ithvthevfrequencyvforvnonelectivevreadmissionvwithinv30vdaysvamongvpatientsvwithvdiabe
TEST WITH THE
CORRECT ANSWERS
Thevqualityvimprovementvteamvisvreviewingvquarterlyvincidentvreportsvandvevaluatingvth
eveffectvofvSixvSigmavstrategiesvonvthevquantityvofvmedicationverrorsvovervthevpastvtwovy
ears.vThevteamvhypothesizesvavcontinuousvreductionvinvmedicalverrorsvforveachvquarter
.v
Thevsamplevconsistsvofvpatientvclinicalvandvdemographicvcharacteristics.vUnfortunately
,vcausationvcannotvbevdeterminedvfromvthevdatavavailable.v
Whichvresearchvmethodvshouldvbevusedvtovtestvthevteam'svhypothesis?v-
vcorrectvanswer-timevseries
Avhospitalvresearchervhasvaccessvtovonevyearvofvhospitalvemergencyvdepartmentvclaim
svdata.vThevresearchervisvinvestigatingvthevassociationvofvracevonvthevtimelinessvofvdeliv
eryvofvcare.vThevsamplevincludesvinformationvonvpatientvdemographics,vinsurancevinfor
mation,vandvemergencyvdepartmentvfactors.vDuevtovpatientvconfidentiality,vthevsamplev
doesvnotvincludevpatientvclinicalvinformationvandvoutcomes.v
Whichvresearchvmethodvshouldvbevused?v-vcorrectvanswer-CrossvSectional
, Whichvtypevofvdatavanalysisvcouldvbevusedvinvquantitativevresearch?v-vcorrectvanswer-
Reportingvthevdistributionvofvresultsvorvoutcomes
Whatvisvavcharacteristicvofvqualitativevresearchvmethods?v-vcorrectvanswer-
Introducesvsubjectivityvtovdatavcollection
Manyvphysicianvpracticesvnowvutilizevanvelectronicvhealthvrecordv(EHR)vsystemvthatvincl
udesvavsecurevmessagingvfeature.vSomevofvthesevpracticesvhavevextendedvtheirvcontac
tvwithvpatientsvbyvconductingvvirtualvvisitsvbetweenvpeoplevwithvdiabetesvandvnursesvwh
ovarevcertifiedvdiabetesveducators.vThevremotevtechnologyvincludesvthevabilityvtovmonito
rvbloodvglucosevdatavtovdeterminevifvthesevvaluesvarevwithinvgoalvrange.vAftervsixvmonth
s,vthevresultsvofvthevbloodvglucosevlevelsvforvthevgroupvparticipatingvinvthevvirtualvvisitsvw
erevevaluated.v
Whichvresearchvmethodvwasvused?v-vcorrectvanswer-Cross-sectional
Avpolicyvanalystvisvinterestedvinvdeterminingvifvthevprospectivevpaymentvsystemv(PPS)vh
asvimprovedvhospitalvefficiencyvovervtimevduringvthevpastvtenvyears.vThevsamplevforvana
lysisvconsistsvofvtenvyearsvofvdatavaftervthevintroductionvofvthevPPSvandvincludesvmeasur
esvofvefficiencyvandvothervrelevantvcontrolvvariables.vThevanalystvhypothesizesvthatvhos
pitalvefficiencyvshouldvhavevincreasedveachvyearvaftervthevPPSvwasvimplemented.v
Whichvresearchvmethodvshouldvthevanalystvuse?v-vcorrectvanswer-TimevSeries
Avresearchervwantsvtovdeterminevwhethervcontinuityvofvcarevisvimprovedvwithvthevusevofv
coordinationvofvcarevdocumentsvamongvprimaryvcarevphysiciansvandvspecialists.vThevre
searchervdecidesvtovreviewvvariousvpublishedvstudiesvtovassessvthevclinicalveffectivene
ssvofvthesevdocumentsvonvpatientvoutcomes.v
Whichvresearchvmethodvisvbeingvused?v-vcorrectvanswer-Meta-analysis
Thevstatevpublicvhealthvresearchervwantsvtovbeginvavfive-
yearvinitiativevtovcoordinatevimmunizationsvforvchildrenvinvthevfostervcarevsystem.vThevre
sultsvwillvbevcomparedvtovpreviousvyearsvtovmeasurevtheveffectivenessvofvthevinitiative.v
Whichvresearchvmethodvshouldvbevusedvtovstudyvthisvinitiative?v-vcorrectvanswer-Pre/
post-study
UsingvpubliclyvreportedvdatavfromvCentersvforvMedicarev&vMedicaidvServices,vresearch
ersvwantvtovexaminevthevrelationshipvbetweenv30-
dayvreadmissionsvandvmortalityvratesvforvpatientsvwithvheartvfailurevatvfivevfacilities.vBef
orevthisvcanvbevdone,vresearchersvneedvtovestimatevmortalityvratesvandvreadmissionvrat
esvfromvheartvfailure.v
Whichvstatisticalvtechniquevshouldvbevusedvtovcalculatevthevestimatedvrates?v-
vcorrectvanswer-Regression vanalysis
Researchersvwantvtovdeterminevifvavparticularvriskvfactorvorvriskvfactorsvarevassociatedvw
ithvthevfrequencyvforvnonelectivevreadmissionvwithinv30vdaysvamongvpatientsvwithvdiabe
