Conception Et Méthodologie De La Recherche Test

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1 / 60

The cross-sectional study is one type of:?

a. Observational study

b. Interventional study

c. Clinical trial

d. Experimental study

2 / 60

Which one is the four scales of variables measurement in statistical data:?

a. Nominal, ordinal, interval, frequency

b. Nominal, ordinal, interval, percent

c. Nominal, ordinal, interval, ratio

d. Nominal, ordinal, interval, proportion

3 / 60

Which of the following is a measure of dispersion?

a. Standard error

b. Percentiles

c. Interquartile range

d. Quartiles

4 / 60

Which one is the potential problem for observation data collection method : ?

a. The selection bias

b. The information bia

c. Vary from observer to observer

d. The interview bias

5 / 60

The characteristics of unstructured interview data collection method is : ?

a. Pre-determined, rigid and closed structure questions

b. Evolutionary, flexible and open structure questions

c. Take long time

d. Take short time

6 / 60

Sampling frame is 😕

a. The target population

b. A list of study population

c. The total number of sample

d. The total number of population

7 / 60

What is the advantage of a questionnaire for data collection: ?

a. Do not need to interview respondents

b. Get 90% accurate and reliable information

c. Get 100% accurate and reliable information

d. Easy to apply

8 / 60

The height of a student is 162 meters This is an example of:?

a. Interval

b. Nominal

c. Ordinal

d. Ratio

9 / 60

The advantage of selecting a sample is 😕

a. Save time

b. Random

c. Representative

d. Easy to collect data

10 / 60

Cluster sampling is one type of:?

a. Convenient sampling

b. Quota sampling

c. Non-probability sampling

d. Probability sampling

11 / 60

Occupation is one variable in a study What type of this variable was classified:?

a. Discrete

b. Continuous

c. Qualitative

d. Quantitative

12 / 60

The advantage of structured interview data collection method is : ?

a. It takes short time

b. It is quick to get information

c. It do not provide uniform information

d. It provides uniform information

13 / 60

The aim in selecting a sample is:?

a. To get 100% accurate and reliable information

b. To get 95% accurate and reliable information

c. To achieve minimum precision in the estimate within a given sample size

d. To avoid bias in the selection of the sample

14 / 60

A subgroup of the population that you are interested is called:?

a. Random

b. Non-random

c. Sample

d. Sampling

15 / 60

Characteristic of qualitative research is ?

a. Based on the measurement of quantity or amount

b. Using only descriptive method

c. Non-numerical, descriptive, applies reasoning and uses words

d. Using statistical method

16 / 60

The interview of data collection method is : ?

a. The online questionnaire

b. Face-to-face interview

c. The collective questionnaire

d. The mThe collective questionnaire

17 / 60

The process of selecting a few sample from the population is called:?

a. Sampling design or sampling method

b. Probability

c. Non-random

d. Random

18 / 60

Which one is the observation method of data collection : ?

a. Weighing

b. The structure interview

c. The unstructure interview

d. The semi-unstructure interview

19 / 60

If a data set has an even number of observations, the median?

a. Is the average value of the two middle items

b. Is the average value of the two middle items when all items are arranged in ascending order

c. Cannot be determined

d. Must be equal to the mean

20 / 60

In most studies, the research hypothesis will be based on: ?

a. Study design

b. Population

c. Sample size

d. Previous studies

21 / 60

To study the functions performed by a worker, the appropriate method of data collection is : ?

a. Questionnaire

b. Documents

c. Observation

d. Interviewing

22 / 60

The discrete variable is one type of:?

a. Binary variables

b. Categorical variables

c. Quantitative variables

d. Qualitative variables

23 / 60

Simple random sampling (SRS) is one type of:?

a. Quota sampling

b. Convenient sampling

c. Probability sampling

d. Non-probability sampling

24 / 60

The meaning of focus group discussion is : ?

a. One-on-one discussion designed to provide a detailed picture of an individual

b. One-on-three discussion designed to provide a detailed picture of an individual

c. Group discussions intended to identify the beliefs and opinions of selected group of people on a specific topic

d. One-on-two discussion designed to provide a detailed picture of an individual

25 / 60

The standard deviation is the measure of spread used most commonly with:?

a. The geometric mean

b. The median

c. The mode

d. The arithmetic mean

26 / 60

What information can be obtained from a cohort study?

a. The incidence of a disease

b. The prevalence of an exposure

c. The cause of a disease

d. The prevalence of a disease

27 / 60

The secondary data source was available from 😕

a. Unpublished data

b. The questionnaires

c. The observations

d. The interviews

28 / 60

Interviewing all members of a given population is called: ?

a. a research

b. a survey

c. a census

d. a sample

29 / 60

Dofile can be created from: ?

a. Stata

b. Excel

c. Epiinfo

d. Epidata

30 / 60

The primary source data can get from 😕

a. Documents

b. Unpublished data

c. Questionnaires

d. Published data

31 / 60

What is the advantage of a questionnaire for data collection: ?

a. Get 100% accurate and reliable information

b. Less expensive

c. Easy to apply

d. Get 90% accurate and reliable informatio

32 / 60

Percentiles divide the data in a distribution into:?

a. 100 equal parts

b. 50 equal parts

c. 25 equal parts

d. 75 equal parts

33 / 60

If a population is homogeneous:?

a. No need sampling

b. A large sample can provide reasonably good estimate

c. No need random

d. A small sample can provide reasonably good estimate

34 / 60

Participant observation is : ?

a. A researcher has just listened

b. A researcher participate in the activities of a group being observed

c. A researcher has just watched

d. A researcher not participate in the activities of a group being observed

35 / 60

Which one is the potential problem for observation data collection method : ?

a. Increase or decrease of the respondents’ behavior

b. The selection bias

c. The information bias

d. The interview bias

36 / 60

The greater the sample size can get:?

a. The more accurate estimate

b. 100% accurate information

c. The less accurate estimate

d. Information bias

37 / 60

Which one is the observation method of data collection : ?

a. Microscopic examination

b. The structure interview

c. The semi-unstructure interview

d. The unstructure interview

38 / 60

Quantitative research is?

a. Sample size

b. Study design

c. Numerical, non-descriptive, applies statistics or mathematics and uses numbers

d. Hypothesis testing

39 / 60

The interquartile range represents the central portion of the distribution,?

a. From the 25th percentile to the 90th percentile

b. From the 25th percentile to the 100th percentile

c. From the 25th percentile to the 75th percentile

d. From the 25th percentile to the 50th percentile

40 / 60

The primary source data can get from : ?

a. Documents

b. Published data

c. Unpublished data

d. Observation

41 / 60

What is the step 2 of research studies:?

a. Dissect into subareas

b. Raise research questions

c. Select subareas of interest to you

d. Identify the main subject area

42 / 60

Which of the following divides a group of data into four subgroups?

a. Percentiles

b. Quartiles

c. Median

d. Deciles

43 / 60

A quantitative research ?

a. Using epidemiology method

b. Using statistical methods

c. Using only descriptive method

d. Using qualitative method

44 / 60

The 90th percentile has:?

a. 90% of the observations at or below it

b. 95% of the observations at or below it

c. 99% of the observations at or below it

d. 100% of the observations at or below it

45 / 60

The primary source of data can provide: ?

a. Second-hand data

b. Fourth-hand data

c. First-hand data

d. Third-hand data

46 / 60

The most appropriate data collection method in qualitative research is : ?

a. Unstructured interviews

b. Mailed questionnaires

c. Online questionnaires

d. Structured interview

47 / 60

What is the disadvantage of a questionnaire for data collection: ?

a. Information bias

b. Self-selection bias

c. Interviewer bias

d. Confounding

48 / 60

The analysis of quantitative data is mostly used programme software?

a. Epidata

b. Excel-+

c. Epiinfo

d. Stata

49 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. Observing signs

c. The semi-unstructure interview

d. The unstructure interview

50 / 60

Dependent variable in epidemiological study was also called:?

a. Response variable

b. Exposure variable

c. Independent variable

d. Explanatory variable

51 / 60

The sum of deviations of the individual data elements from their mean is?

a. Always equal to zero

b. Always greater than zero

c. Sometimes greater than and sometimes less than zero, depending on the data elements

d. Always less than zero

52 / 60

The median of a series of numerical values is: ?

a. A value for which half of the values are higher and half of the values are lower

b. A measure of the eccentricity of the series

c. The most commonly encountered values among the series

d. The value located exactly midway between the minimum and maximum of the series

53 / 60

The disadvantage of open-ended question is: ?

a. Not used in community

b. Analysis is more difficult

c. Not used in quantitative research

d. Not applicable for all kind of researches

54 / 60

Which one is the observation method of data collection : ?

a. The semi-unstructure interview

b. Review record

c. The unstructure interview

d. The structure interview

55 / 60

Quantitative variables that can have any numerical values are called:?

a. Continuous variables

b. Discrete variable

c. Quantitative variables

d. Absolute variables

56 / 60

What is the disadvantage of a questionnaire for data collection: ?

a. Interviewer bias

b. Information bias

c. Limited application

d. Confounding

57 / 60

What is the questionnaire : ?

a. A open-ended question

b. A question to ask respondents

c. A closed question

d. Written list of questions

58 / 60

The secondary data source: ?

a. Involves data collection for various purposes

b. Involves data collection indirectly from the respondents

c. Involves data collection directly from the respondents

d. Involves data collection from the interview

59 / 60

In practice, most research studies are based on a combination of at least:?

a. Three Ps

b. One P

c. Four Ps

d. Two Ps

60 / 60

Statistic is a numerical quantity, which is calculated from:?

a. Data

b. Sample

c. Population

d. Observation

Your score is

The average score is 86%

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Conception Et Méthodologie De La Recherche Test

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