D514 /
Analytical
/ /
Methods
/ /
of
/ /
Healthcare
/ /
Leaders
/ /
Exam Questions With Correct Answers
/ // // // //
ANOVA /
/test //- /
/CORRECT //ANSWERS(S)✔✔Analysis //of //variance //(ANOVA) //may //be //used //in //research //studies
//where //there //are //two //or //more //groups //to //compare.
Chi-square //tests //- //CORRECT //ANSWERS(S)✔✔Chi-
square //tests //determine //if //an //association //exists //between //two //categorical //variables.
Control /
/group //- /
/CORRECT /
/ANSWERS(S)✔✔In //
a //healthcare //environment, //this //group //of //patients //does //not //receive //the //treatment //that //is
//being //studied.
Experimental /
/group //- /
/CORRECT /
/ANSWERS(S)✔✔This /
,group //of //patients //receives //the //treatment //being //studied //with //follow-
/
up //observation //to //determine //the //effect //of //the //treatment.
F-test //- //CORRECT //ANSWERS(S)✔✔The //F-
test /
/is /
/designed /
/to /
/test //if //two //population //variances //are //equal. //The //ratio //of //the //two //variances //is //compared.
//If //they //are //equal, //the //ratio //of //the //variances //will //be //1.
Frequency //- /
/CORRECT /
/ANSWERS(S)✔✔Frequencies /
/measure /
/how /
/often //
a/
/particular /
/value /
/occurs /
/to //assess //the //importance //of //a //value //or //check //the //variation //of //the //values //in //a //study.
Hypothesis //- /
/CORRECT /
/ANSWERS(S)✔✔A /
/proposed /
/explanation /
/for /
/an /
/observation /
/that /
/leads /
/to //
a/
,/prediction. /
/Through /
/investigation /
/and /
/the /
/use /
/of /
/statistical /
/data, /
/those /
/doing //the //study //will //either //confirm //or //reject //the //hypothesis. //Testing //the //hypothesis //will
//show //if //there //is //a //link //(or //not) //between //two //or //more //variables.
Integrity //- /
/CORRECT /
/ANSWERS(S)✔✔Research /
/always /
/makes /
/some /
/assumptions, /
/depending /
/on /
/the /
/type /
/of /
/method /
/used. /
/Research //assumptions //must //be //identified //to //determine //possible //breaches //of //integrity.
Interval /
/data //- /
/CORRECT /
/ANSWERS(S)✔✔Interval /
/data /
/includes /
/units /
, /of /
/equal /
/size, /
/such /
/as /
/IQ /
/results. /
/There /
/is /
/no /
/zero //point. //An //example //of //interval //scale //is //time: //Time //is //measured //in //24 //hours //in //each
//day; //the //time //between //each //hour //is //the //same, //60 //minutes.
Mean //- /
/CORRECT /
/ANSWERS(S)✔✔Mean /
/is //the //arithmetic //average. //Divide //the //sum //of //all //scores //by //the //total //number //of //scores.
Median //- /
/CORRECT /
/ANSWERS(S)✔✔Median /
/is /
/the /
/midpoint /
/of /
/the //distribution //of //values, //or //the //point //above //or //below //which //50 //percent //of //the //values
//fall.
Methods /
/section /
/components //- /
/CORRECT //ANSWERS(S)✔✔When //analyzing //the //quality //of //a //study, //a //careful //evaluation //of
//the /
/research /
/methods /
Analytical
/ /
Methods
/ /
of
/ /
Healthcare
/ /
Leaders
/ /
Exam Questions With Correct Answers
/ // // // //
ANOVA /
/test //- /
/CORRECT //ANSWERS(S)✔✔Analysis //of //variance //(ANOVA) //may //be //used //in //research //studies
//where //there //are //two //or //more //groups //to //compare.
Chi-square //tests //- //CORRECT //ANSWERS(S)✔✔Chi-
square //tests //determine //if //an //association //exists //between //two //categorical //variables.
Control /
/group //- /
/CORRECT /
/ANSWERS(S)✔✔In //
a //healthcare //environment, //this //group //of //patients //does //not //receive //the //treatment //that //is
//being //studied.
Experimental /
/group //- /
/CORRECT /
/ANSWERS(S)✔✔This /
,group //of //patients //receives //the //treatment //being //studied //with //follow-
/
up //observation //to //determine //the //effect //of //the //treatment.
F-test //- //CORRECT //ANSWERS(S)✔✔The //F-
test /
/is /
/designed /
/to /
/test //if //two //population //variances //are //equal. //The //ratio //of //the //two //variances //is //compared.
//If //they //are //equal, //the //ratio //of //the //variances //will //be //1.
Frequency //- /
/CORRECT /
/ANSWERS(S)✔✔Frequencies /
/measure /
/how /
/often //
a/
/particular /
/value /
/occurs /
/to //assess //the //importance //of //a //value //or //check //the //variation //of //the //values //in //a //study.
Hypothesis //- /
/CORRECT /
/ANSWERS(S)✔✔A /
/proposed /
/explanation /
/for /
/an /
/observation /
/that /
/leads /
/to //
a/
,/prediction. /
/Through /
/investigation /
/and /
/the /
/use /
/of /
/statistical /
/data, /
/those /
/doing //the //study //will //either //confirm //or //reject //the //hypothesis. //Testing //the //hypothesis //will
//show //if //there //is //a //link //(or //not) //between //two //or //more //variables.
Integrity //- /
/CORRECT /
/ANSWERS(S)✔✔Research /
/always /
/makes /
/some /
/assumptions, /
/depending /
/on /
/the /
/type /
/of /
/method /
/used. /
/Research //assumptions //must //be //identified //to //determine //possible //breaches //of //integrity.
Interval /
/data //- /
/CORRECT /
/ANSWERS(S)✔✔Interval /
/data /
/includes /
/units /
, /of /
/equal /
/size, /
/such /
/as /
/IQ /
/results. /
/There /
/is /
/no /
/zero //point. //An //example //of //interval //scale //is //time: //Time //is //measured //in //24 //hours //in //each
//day; //the //time //between //each //hour //is //the //same, //60 //minutes.
Mean //- /
/CORRECT /
/ANSWERS(S)✔✔Mean /
/is //the //arithmetic //average. //Divide //the //sum //of //all //scores //by //the //total //number //of //scores.
Median //- /
/CORRECT /
/ANSWERS(S)✔✔Median /
/is /
/the /
/midpoint /
/of /
/the //distribution //of //values, //or //the //point //above //or //below //which //50 //percent //of //the //values
//fall.
Methods /
/section /
/components //- /
/CORRECT //ANSWERS(S)✔✔When //analyzing //the //quality //of //a //study, //a //careful //evaluation //of
//the /
/research /
/methods /
