Conception Et Méthodologie De La Recherche Test

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1 / 60

Which of the following provides a measure of central location for the data?

a. Standard deviation

b. Mean.

c. Range

d. Variance

2 / 60

What is the disadvantage of a questionnaire for data collection:

a. Low response rate.

b. Information bias

c. Confounding

d. Interviewer bias

3 / 60

To study the behavior of individual, the appropriate method of data collection is:

a. Interviewing

b. Questionnaire

c. Observation.

d. Documents

4 / 60

What is the disadvantage of a questionnaire for data collection:

a. Information bias

b. Interviewer bias

c. Not representative the target population.

d. Confounding

5 / 60

Weight of one patient is one type of:

a. Binary variables

b. Categorical variables

c. Quantitative variables.

d. Qualitative variables

6 / 60

Which ONE of the following is the main problem with using non-probability sampling techniques?

a. The results are never representative

b. Informants can refuse to participate

c. Human judgement error

d. The expense

7 / 60

Which sampling method is used for qualitative research:

a. Simple random sampling

b. Cluster sampling

c. Purposive sampling.

d. Stratified sampling

8 / 60

The most frequently occurring value of a data set is called the?

a. Mode.

b. Mean

c. Range

d. Median

9 / 60

If a series of values consists of 21 numbers, then, for finding the median, we ordered the series ascending and we use:

a. The 10th value in the ordered series

b. The mean between the 10th and 11th values

c. The mean between the 11th and 12th values

d. The 11th value in the ordered series.

10 / 60

The discrete variable is one type of:

a. Binary variables

b. Quantitative variables.

c. Categorical variables

d. Qualitative variables

11 / 60

In collecting the data, the researcher must decide:

a. Which data to report

b. Which data to summary

c. Which data to analyse

d. Which data to collects.

12 / 60

Analytic epidemiology studies are except one:

a. Case series

b. Cohort study

c. Case control studies

d. Cross-sectional studies

13 / 60

The height of a student is 1.62 meters. This is an example of:

a. Interval

b. Ratio.

c. Nominal

d. Ordinal

14 / 60

What is data collection?

a. The process by which the researcher analyses the information

b. The process by which the researcher collects the information.

c. The process by which the researcher summaries the information

d. The process by which the researcher reports the information

15 / 60

Tabulate command in Stata is used to estimate:

a. Means

b. Median.

c. Frequency and percentage.

d. Standard deviation

16 / 60

Two factors may influence the degree of certainty about the inferences drawn from a sample:

a. The size of the sample and total population

b. The size of the sample and non-random method

c. The size of the sample and random method

d. The size of the sample and variation in the population.

17 / 60

The user interface in Stata is:

a. Programming/point-and-click.

b. Programming

c. Click

d. Point-and-click

18 / 60

What is the main purpose of using Epidata software for?

a. Data analysis

b. Data checking

c. Data collection

d. Data entry.

19 / 60

Tabstat command in Stata is used for:

a. Nominal variable.

b. Ratio variable.

c. Interval variable.

d. Ordinal variable

20 / 60

The primary data source:

a. Involves data collection from documents

b. Are specifically for purpose of research.

c. Involves data collection from the interview

d. Involves data collection indirectly from the respondents

21 / 60

Participant observation is :

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

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

c. A researcher has just watched

d. A researcher has just listened

22 / 60

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

a. Interviewing

b. Questionnaire

c. Documents

d. Observation.

23 / 60

The pth percentile is a value such that at least p percent of the observations are?

a. Less than or equal to this value.

b. More than this value

c. More than or equal to this value

d. Less than this value

24 / 60

The median of a series of numerical values is:

a. The most commonly encountered values among the series

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

c. A measure of the eccentricity of the series

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

25 / 60

Which of these represent qualitative data?

a. Income of a government staff in a Ministry

b. Liking or disliking of (500) persons of a new product.

c. Weight of a patient

d. Height of a patient

26 / 60

The most appropriate data collection method in quantitative research is :

a. In-depth interviews

b. Focus group interviews

c. The observation

d. The questionnaire.

27 / 60

The current version of Stata is:

a. Version 13

b. Version 15

c. Version 16.

d. Version 14

28 / 60

The greater the sample size can get:

a. 100% accurate information

b. The more accurate estimate.

c. The less accurate estimate

d. Information bias

29 / 60

Cluster sampling are except one:

a. Multi-stage

b. Single stage

c. Easy to collect data.

d. Double stage

30 / 60

If a person weight is 60.5 kg, it was classified as:

a. Binary variables

b. Discrete variables

c. Continuous variables.

d. Qualitative variables

31 / 60

Simple random sampling (SRS) is one type of:

a. Quota sampling

b. Non-probability sampling

c. Probability sampling.

d. Convenient sampling

32 / 60

What is the disadvantage of a questionnaire for data collection:

a. Confounding

b. Self-selection bias.

c. Information bias

d. Interviewer bias

33 / 60

CHECK.file can be created from?

a. Epidata.

b. Stata

c. Epiinfo

d. Excel

34 / 60

The primary source data can get from:

a. Interviewing.

b. Published data

c. Documents

d. Unpublished data

35 / 60

Logfile can be created from:

a. Epidata

b. Epiinfo

c. Excel

d. Stata.

36 / 60

Which one is the non-probability sampling design:

a. Cluster sampling

b. Convenient sampling.

c. Stratified sampling

d. Simple random sampling

37 / 60

The result of a quantitative research ?

a. Are often presented in tables and graphs.

b. Are phrases

c. Are paragraph

d. Voice recording

38 / 60

What sort of variable is dress size?

a. Ratio.

b. Ordinal

c. Nominal

d. Interval

39 / 60

Disproportionate stratified sampling is one type of:

a. Systematic sampling

b. Cluster sampling

c. Quota sampling

d. Stratified sampling.

40 / 60

What is the questionnaire :

a. Written list of questions.

b. A open-ended question

c. A question to ask respondents

d. A closed question

41 / 60

The purpose of sampling in qualitative research is:

a. To draw inferences

b. To get random

c. To gain in-depth knowledge about situation.

d. Not to get in-depth knowledge about situation

42 / 60

The appropriate sampling method in quantitative research is:

a. Probability sampling.

b. Non-probability sampling

c. Quota sampling

d. Convenient sampling

43 / 60

The advantage of selecting a sample is :

a. Save human resources.

b. Representative

c. Easy to collect data

d. Random

44 / 60

Quota sampling, judgment sampling and convenience sampling are classified as types of:

a. Stratified sampling

b. Random sampling

c. Non random sampling.

d. Probability sampling

45 / 60

A parameter is a measure which is computed from?

a. Raw data

b. Test statistics

c. Population data.

d. Sample data

46 / 60

The classification of variable types based on unit of measurement is:

a. Independent variable

b. Nominal, Ordinal, Interval and Ratio.

c. Exposure variable

d. Dependent variable

47 / 60

What is the advantage of a questionnaire for data collection:

a. Same time and human and financial resources.

b. Get 90% accurate and reliable information

c. Easy to apply

d. Get 100% accurate and reliable information

48 / 60

How many types of the interview data collection method in a research :

a. Four types

b. More than four types

c. Three types

d. Two types.

49 / 60

Data analysis in Stata is:

a. Fair

b. Strong

c. Weak

d. Very strong.

50 / 60

The secondary data source was available from :

a. The interviews

b. The questionnaires

c. Published data.

d. The observations

51 / 60

The most appropriate data collection method in qualitative research is :

a. Structured interview

b. Mailed questionnaires

c. Focus group interviews.

d. Online questionnaires

52 / 60

What is the disadvantage of a questionnaire for data collection:

a. Lack of opportunity to clarify issues.

b. Interviewer bias

c. Confounding

d. Information bias

53 / 60

What is the main purpose of using Stata software for?

a. Data summary.

b. Data checking

c. Data collection

d. Creating questionnaire

54 / 60

In a research studies for the humanities, the Ps mean that:

a. People, problems, programmes, proportion

b. People, problems, programmes, percent

c. People, problems, programmes, phenomenon.

d. People, problems, programmes, power

55 / 60

What is a research design ?

a. Basic characteristic of the measurement in quantity method

b. Using statistical method

c. The framework that has been created to find answers to research questions.

d. Using only descriptive method

56 / 60

Non-participant observation if one type of data collection methods below:

a. Observation.

b. Semi-structure interviewing

c. Structure interviewing

d. Unstructure interviewing

57 / 60

What is a research methodology?

a. Data collection

b. Data analysis

c. Data interpretation

d. A science of studying how research is to be carried out.

58 / 60

To study the function carried out by nurses in a hospital, what is the best data collection method:

a. Non-participant observation.

b. The questioonaire

c. The in-depth interview

d. The focus group

59 / 60

If a population is heterogeneous:

a. No need random

b. A larger sample can provide reasonably good estimate.

c. A small sample can provide reasonably good estimate

d. No need sampling

60 / 60

The observational epidemiology studies are except one:

a. Case series

b. Cross-sectional study.

c. Case-control study

d. Cohort study

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