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Stats.resersh.Final

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Exam of 63 pages for the course Dental Hygiene Oxford College Semester I at Dental Hygiene Oxford College Semester I (Stats.resersh.Final)

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  • October 7, 2024
  • 63
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
All documents for this subject (28)
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flamebonfire
1


Final Stats and Research


1.What is the number of false nega9ve results?
30
70
4700
300


Answer: 300


2. Which one of the following 9tles is more reasonable for a research paper?
EFect of body weight, behavioral factors, etc. on caries severity in female
Mexican adolescents
Dental erosion, prevalence and risk factors among a group of pa9ents in Europe
AT enhances the an9tumor eFects of cetuximab via the suppression of
osteoclastogenesis in squamous carcinoma
Outcomes of implant therapy in pa9ents with aggressive periodon99s: A
systema9c review and meta-analysis


Answer: "Outcomes of implant therapy in pa9ents with aggressive periodon99s:
A systema9c review and meta-analysis"

, 2


3. If we need to prescribe rifampin to 65 hospitalized pa9ents before at least
one bacterial meningi9s is prevented, what would be the NNT?
32.5
65
1
64


answer is: 65


4. Which one of the following sta9s9cal techniques is used for combining the
results of several independent research studies about the same result?
Chi-square
Standard devia9on
Meta-analysis
ConXdence interval


Answer: Meta- analysis

, 3


5. What is the sampling method of the following excerpt?
“The 679 subjects who comprise the ini9al DANDY [Development and
Assessment of Nico9ne Dependence in Youths] cohort represent a response rate
of 94% of the 721 students who were invited, and 76% of all seventh graders (n
= 900).


Nonprobability – purposive and network
Nonprobability – convenience
Nonprobability – quota and theore9cal
Probability – stra9Xed


Answer: Probability - stra9Xed




6. Which one of the following terms deXnea s formal statement of the expected
rela9onship between two or more variables in a speciXed popula9on?
Hypothesis
Concept
Fact
Theory


Answer: Hypothesis

, 4


7. What type of rela9onship statement involves three or more variables?
Complex
Direc9onal
Alterna9ve
Associa9ve


Answer: Complex


8. If you eat more vegetables, you will lose weight faster.” This is an example of
what type of hypothesis?
Associa9ve
Research
Causal
Null


Answer: Causal Hypothesis


9. Which one of the following modes is never considered as a way of
dissemina9on in research?
Cri9que
Publica9on
Conference
Consulta9on


Answer: Cri9que

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