D514 Exam prep Questions and Answers | Verified
Nominal data
names, labels, or distinguishing numbers
ex: gender, hair color, zip code
Ordinal data
order or rank
ex: satisfaction survey
Discrete data
usually expressed by a whole number
ex: number of children in a family
Continuous data
measured to the nearest
ex: body temperature, weight, height
t-test
applies two different interventions on subjects split into two groups
ex: 100 patients with chronic migraines, one group receives pharmaceutical intervention and
the other receives injections
chi-square
looks for relationships between categorical variables. you cannot put the variables into an order
ex: relationship between depression and cardiac event
ANOVA
, compares more than two "like" groups using same different interventions
ex: anterior knee pain. one group uses ice pack to reduce pain and another receives an
ultrasound three times a week, and another takes 500 mg Advil daily
Wilcoxon Signed-Rank test
looks for differences between two sets of scores with the same participants.
ex: men with lung cancer who see the same oncologists or women with lung cancer who are
tested every six months.
National Practitioner Data Bank (NPDB)
for credentialing new providers, looks at past employment and for any legal issues/ concerns
for their past
National Center for Health Statistics
operates through CDC, vital statistics such as birth, death, marriage, divorce, fetal deaths
MEDPAR
acute care and SNF claims data on patients using medicare
Health Resources and Services Administration
improves healthcare to those in rural areas, medically or economically vulnerable
ANOVA
used to compare multiple interventions on a "like" group
t-test
which group is more effective X or Y
Pearson's Correlation Coefficient
Nominal data
names, labels, or distinguishing numbers
ex: gender, hair color, zip code
Ordinal data
order or rank
ex: satisfaction survey
Discrete data
usually expressed by a whole number
ex: number of children in a family
Continuous data
measured to the nearest
ex: body temperature, weight, height
t-test
applies two different interventions on subjects split into two groups
ex: 100 patients with chronic migraines, one group receives pharmaceutical intervention and
the other receives injections
chi-square
looks for relationships between categorical variables. you cannot put the variables into an order
ex: relationship between depression and cardiac event
ANOVA
, compares more than two "like" groups using same different interventions
ex: anterior knee pain. one group uses ice pack to reduce pain and another receives an
ultrasound three times a week, and another takes 500 mg Advil daily
Wilcoxon Signed-Rank test
looks for differences between two sets of scores with the same participants.
ex: men with lung cancer who see the same oncologists or women with lung cancer who are
tested every six months.
National Practitioner Data Bank (NPDB)
for credentialing new providers, looks at past employment and for any legal issues/ concerns
for their past
National Center for Health Statistics
operates through CDC, vital statistics such as birth, death, marriage, divorce, fetal deaths
MEDPAR
acute care and SNF claims data on patients using medicare
Health Resources and Services Administration
improves healthcare to those in rural areas, medically or economically vulnerable
ANOVA
used to compare multiple interventions on a "like" group
t-test
which group is more effective X or Y
Pearson's Correlation Coefficient
