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Stats test 1.pdf
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Exam of 7 pages for the course Dental Hygiene Oxford College Semester I at Dental Hygiene Oxford College Semester I (Stats test 1.pdf)
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Statistics and Research - Test 1Which one of the following terms refers to the type of the case of a 52-year-old Romanian
woman with COVID-19 infection who enters the study as soon as she is diagnosed with this
disease?
Participatory
Predominant
Incident
Prevalent
What is the odds of being a case in the unexposed group?
Case study:
In a case-control study, the correlation between the incidence of acute necrotizing ulcerative
gingivitis (ANUG) and fusobacterial infection has been investigated in a small population
(n=400). Number of people who had bacterial infection, and the ones who developed
necrotizing gingivitis are indicated below.
Fusobacterial infection
Yes No
Acute Necrotizing
Ulcerative Gingivitis
Yes 150 70
No 50 130
What is the odds of being a case in the unexposed group?
0.25
1.1
0.54
0.33
, What is the odds of being a case in the exposed group?
Case study:
In a case-control study, the correlation between the incidence of acute necrotizing ulcerative
gingivitis (ANUG) and fusobacterial infection has been investigated in a small population
(n=400). Number of people who had bacterial infection, and the ones who developed
necrotizing gingivitis are indicated below.
Fusobacterial infection
Yes No
Acute Necrotizing
Ulcerative Gingivitis
Yes 150 70
No 50 130
What is the odds of being a case in the exposed group?
3
1.5
1.15
0.55
Which one of the following aspects is irrelevant to trustworthiness of a qualitative research
paper?
Transferability
Internal validity
Confirmability
Dependability
Which type of randomization is carried out when a large group of individuals is selected
for a specific treatment?
Constrained
Stratified
Cluster
Blocked
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