Abd AlRahman Barod
Quiz by , created 15 days ago

1 Biostat 3rd test Quiz on 1-30 First, created by Abd AlRahman Barod on 03/12/2024.

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Abd AlRahman Barod
Created by Abd AlRahman Barod 15 days ago
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1-30 First

1-30 First

Question 1 of 30

1

CS Select the definition of "Research":

Select one of the following:

  • A disciplined investigation driven by scientific principles to solve problems and foster the development of novel knowledge.

  • A methodical approach utilizing established scientific techniques to address specific challenges and contribute to the expansion of knowledge.

  • An organized process employing scientific methodologies to resolve issues and uncover innovative insights.

  • A structured effort leveraging scientific methods to tackle problems and generate transformative understanding.

  • structured investigation with the use of appropriate scientific methods aimed at solving a problem and creating new knowledge.

Explanation

Question 2 of 30

1

CS Name the first step of the Research process:

Select one of the following:

  • Collect the data

  • Literature review

  • State the aim and objectives of your study

  • Prepare research (study) design

  • Formulate your research problem

Explanation

Question 3 of 30

1

CM Select the types of research by application:

Select one or more of the following:

  • Pure(basic, fundamental)

  • applied

  • Quantitative

  • Qualitative

Explanation

Question 4 of 30

1

CM Select the types of research according to the process adopted to find an answer to
research questions:

Select one or more of the following:

  • Pure

  • Applied

  • Quantitative

  • Qualitative

Explanation

Question 5 of 30

1

CS When the study results are considered “internally valid”?

Select one of the following:

  • when they apply to the sample that was actually untested

  • when they apply to the population the sample was taken from

  • when they apply to the sample the population was taken from

  • All of the above

  • when they apply to the sample that was actually tested

Explanation

Question 6 of 30

1

CS When the study results are considered “externally valid”?

Select one of the following:

  • when they apply to the sample the population was taken from

  • when they apply to the population the sample was taken from

  • when they apply to the sample that was actually tested

  • when they apply to the tested sample of the population of a specific country during a specific time frame

Explanation

Question 7 of 30

1

CS When the study results are considered generalizable?

Select one of the following:

  • if it can be applied only to africans

  • if it can be applied to specific populations

  • if it can be applied only to samples

  • if its only possible to be applied to the same population

  • if it can be applied to other populations

Explanation

Question 8 of 30

1

What do we mean by confounding?

Select one or more of the following:

  • A systematic bias

  • In a study of whether factor A is a cause of disease B, we say that a
    third factor, factor X, is a confounder

  • Factor X is a known risk factor for disease B.

  • Factor X is associated with factor A, but is not a result of factor A

  • Factor Xis associated of factor A, but is a result of factor A

Explanation

Question 9 of 30

1

CM What do we mean by recall bias?

Select one or more of the following:

  • It is a systematic error and occurs when participants in a study are systematically more or less likely to recall (report) information on exposure (risk factors) depending on their outcome status (disease)

  • Recall bias is present in cross-sectional, case sectional, case control

  • Recall bias is a factor present in cohort studies

  • Recall bias is common between studies related to analytics

Explanation

Question 10 of 30

1

CM For which observational study designs recall bias is a major problem?

Select one or more of the following:

  • Case-control

  • Case-Series

  • Cross-Sectional

  • Cohort

  • Clinical

Explanation

Question 11 of 30

1

11. CS For what observational study design recall bias can be avoided?

Select one of the following:

  • Case Series

  • Case Control

  • Cohort Study

  • Clinical Trial

  • Control trial

Explanation

Question 12 of 30

1

12. CM Case-series study design is classified as:

Select one or more of the following:

  • Observational

  • Descriptive

  • Analytical

  • Experimental

Explanation

Question 13 of 30

1

13. CM Cross-sectional study design is classified as:

Select one or more of the following:

  • Observational

  • Descriptive

  • Analytical

  • Experimental

Explanation

Question 14 of 30

1

14. CM Case-control study design is classified as

Select one or more of the following:

  • Observational

  • Analytical

  • Descriptive

  • Experimental

Explanation

Question 15 of 30

1

15. CM Cohort study design is classified as:

Select one or more of the following:

  • Observational

  • Analytic

  • Experimental

  • Descriptive

Explanation

Question 16 of 30

1

16. CM Clinical trial study design is classified as:

Select one or more of the following:

  • Experimental

  • Analytical

  • Observational

  • Descriptive

Explanation

Question 17 of 30

1

17. CM List the types of the observational study designs:

Select one or more of the following:

  • Case-Control

  • Case-Series

  • Cross-Sectional

  • Cohort Study

  • Clinical trial

Explanation

Question 18 of 30

1

18. CM List the types of descriptive study design:

Select one or more of the following:

  • Case-Series

  • Cross-Sectional

  • Cohort Study

  • Case-Control

Explanation

Question 19 of 30

1

19. CM List the types of the analytic study design

Select one or more of the following:

  • Case-Control

  • Cohort Study

  • Clinical trial without control

  • Clinical trial with control

  • Case-Series

Explanation

Question 20 of 30

1

20. CS Which type of study design is the best for a therapy question?

Select one of the following:

  • Case-Series

  • Case-Control

  • Clinical Trial

  • Cohort Study

  • Cross-Sectional

Explanation

Question 21 of 30

1

21. CS Which type of study design is the best for a diagnosis/screening question?

Select one of the following:

  • Case-Series

  • Cross-Sectional

  • Case-Control

  • Clinical trial

Explanation

Question 22 of 30

1

22. CS Which type of study design is the best for a prognosis question?

Select one of the following:

  • Case-series

  • Cross-Sectional

  • Cohort study

  • Case-Report

Explanation

Question 23 of 30

1

23. CM Which type of study design is the best for an occurrence question?

Select one or more of the following:

  • Cohort Study

  • Cross-Sectional

  • Case-Report

  • Case-Series

  • Case-Control

Explanation

Question 24 of 30

1

24. CM Which observational study design gives the best evidence about causality?

Select one or more of the following:

  • Meta-analysis

  • Clinical trials

  • Cohort Study

  • Case-Control

  • Case-Report

Explanation

Question 25 of 30

1

25. CS What does it mean "Incidence"?

Select one of the following:

  • Both old and new cases

  • Old cases of a disease

  • New cases of a disease

  • None of the above

Explanation

Question 26 of 30

1

26. CS "Incidence" of a disease can be estimated within which study design?

Select one of the following:

  • Case control

  • Case-Series

  • Cohort Study

  • Clinical trial

Explanation

Question 27 of 30

1

27. CS What does it mean "Prevalence"?

Select one of the following:

  • New cases only

  • Old cases only

  • Both old and new cases

  • All of the above

Explanation

Question 28 of 30

1

28. CS "Prevalence" of a disease can be estimated within which study design?

Select one of the following:

  • Case-Control

  • Case-Series

  • Cross-Sectional

  • Clinical trial with control

Explanation

Question 29 of 30

1

29. CM Choose the experimental study characteristics:

Select one or more of the following:

  • Involve an intervention

  • Includes clinical trials

  • Controlled environment

  • Observation of a group of people

Explanation

Question 30 of 30

1

30. CM Choose the cohort study characteristics:

Select one or more of the following:

  • Incidence study

  • Prospective

  • Longitudinal

  • Diagonal

  • Prevalence study

Explanation

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