V SolutionnManualnforn
StatisticsnfornNursingn
ResearchnAnWorkbook
nfornEvidencenBasedn
rd
Practicen3 nEditionditi
o
,Then questionsn aren inn boldn followedn byn answers.
1. InnTablen1,nidentifynthenlevelnofnmeasurementnfornnthenncurrentnntherapynnvaria
ble.nnPrnovidenanrationalenfornyournanswer.
Answer:nThencurrentn therapynnvariablenwasnmeasurednnatnnthennnominaln level.nThese
ndrugn cnategoriesnwerenprobablyndevelopedntonbenexhaustivenfornthisnstudynnandnnincl
udednnthenncatengoriesnofndrugsnthensubjectsnwerennreceiving.nnHowever,nnthenncategor
iesnnarennnotnnexclusive,nsincenpatientsn arenusuallynonnmorenthannonenncategorynnofn
nthesenndrugsnntonnmanagenntheirnnhnealthnproblems.nThencurrentntherapiesnaren notn
measuredn atn then ordinaln leveln becausen theyncannotnbenranknnordered,nnsincennnonndr
ugnncategorynncannnbennconsiderednnmorennornnlessnnbenefincialnthannanotherndrugnca
tegoryn(seenFiguren1-1;nGroven&nGray,n2019).
2. Whatnisnthenmodenfornthencurrentnntherapynnvariablenninnnthisnnstudy?nnProvid
ennannrationnalenforn yournanswer.
Answer:nThenmodenforncurrentn therapyn wasn βnblocker.n An totaln ofn 100n (94%)n ofn then cardia
cn patiennts
weren receivingn thisn categoryn ofnn drug,nn whichnn wasnn thenn mostnn commonnn prescribednn d
rugnn fornn tnhisnsample.
3. Whatnstatisticsnweren conductednntondescribenthen BMInofnthenncardiacnpatientsnin
n thisnsample?nDiscussnwhethernthesennanalysisnntechniquesnnwerennappropriatenno
rnninapproprinate.
Answer:nBMInwasndescribednwithnanmeannandnstandardndeviationn(SD).nBMInmeasureme
ntnresultedninnratio-
levelndatanwithncontinuousnvaluesnandnannnabsolutennzeronn(Stonenn&nnFrazier,nn2017).
nnRatio-
nlevelndatannshouldnnbennanalyzednnwithnnparametricnnstatisticsnnsuchnnasnnthennmeann
nandnnSDn(Gronven &nnGray,n2017;nKnapp,n2017).
4. Researchersnusednthenfollowingnitemntonmeasurenregisterednnurses’n(RNs)n incomen in
n anstudy:n WhatncategorynidentifiesnyourncurrentnincomenasnannRN?
a.nLessn thann $50,000
b.n $50,000 to 59,999
c.n $60,000 to 69,999
d.n $70,000 to 80,000
e.n $80,000 or greater
Whatnlevelnofnnmeasurementnnisnnthisnnincomennvariable?nnDoesnnthennincomenn
variablennfollonwnthenrulesnoutlinedninnFiguren1-
1?nProvidenanrationalenfornyournanswer.
Answer:nInnthisnexample,nthenincomenvariablenisnmeasurednatnthenordinaln level.n Then inco
mencatego-
, riesnaren exhaustive,n rangingn fromn lessnthann$50,000n ton greaternthann$80,000.nThentwonop
nen-ended
, AGn1-1
