Conception Et Méthodologie De La Recherche Test

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1 / 60

The median is a measure of?

a. Relative dispersion

b. Absolute dispersion

c. Central location

d. Relative location

2 / 60

The case-control study is one type of:?

a. Interventional study

b. Observational study

c. Clinical trial

d. Experimental study

3 / 60

The purpose of sampling in qualitative research is:?

a. To gain in-depth knowledge about situation

b. To get random

c. Not to get in-depth knowledge about situation

d. To draw inferences

4 / 60

The selection of data collection methods should be based on: ?

a. Data at the field

b. Variables

c. Population

d. Sample

5 / 60

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

a. Three Ps

b. Two Ps

c. One P

d. Four Ps

6 / 60

The advantage of open-ended question is: ?

a. Provide in-depth information

b. Apply all kind of researches

c. Only used in community

d. Mostly used in quantitative research

7 / 60

The first quartile?

a. Is the same as the 25th percentile

b. Is the same as the 50th percentile

c. Is the same as the 75th percentile

d. Contains at least one third of the data elements

8 / 60

The primary source data can get from : ?

a. Interviewing

b. Documents

c. Published data

d. Unpublished data

9 / 60

If a person weight is 60 kg, it was classified as:?

a. Binary variables

b. Discrete variables

c. Qualitative variables

d. Continuous variables

10 / 60

The weight of patients in a hospital is:?

a. Binary variable

b. Continuous variable

c. Discrete variable

d. Qualitative variable

11 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. The semi-unstructure interview

c. The unstructure interview

d. Microscopic examination

12 / 60

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

a. Absolute variables

b. Discrete variable

c. Quantitative variables

d. Continuous variables

13 / 60

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

a. Interviewer bias

b. People fail to return

c. Information bias

d. Confounding

14 / 60

In the statistical world, the range is reported as:?

a. Four numbers

b. Two numbers

c. A single number

d. Three numbers

15 / 60

The secondary data source: ?

a. Involves data collection for various purposes

b. Involves data collection directly from the respondents

c. Involves data collection indirectly from the respondents

d. Involves data collection from the interview

16 / 60

Which one of the following measurement does not divide a set of observations into equal parts?

a. Standard Deviations

b. Deciles

c. Percentiles

d. Quartiles

17 / 60

Which of the following provides a meaning of research?

a. An investigation of finding solutions to scientific and social problems through objective and systematic analysis

b. Epidemiological study

c. Study design

d. Inferential statistic

18 / 60

The secondary source of data can provide: ?

a. First-hand data

b. Third-hand data

c. Second-hand data

d. Fourth-hand data

19 / 60

The cross-sectional study is one type of:?

a. Clinical trial

b. Experimental study

c. Interventional study

d. Observational study

20 / 60

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

a. Random sampling

b. Stratified sampling

c. Probability sampling

d. Non random sampling

21 / 60

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

a. Participant-observations

b. Structured interview

c. Online questionnaires

d. Mailed questionnaires

22 / 60

The primary data source: ?

a. Involves data collection from the interview

b. Involves data collection directly from the respondents

c. Involves data collection indirectly from the respondents

d. Involves data collection from documents

23 / 60

The interview of data collection method is : ?

a. The online questionnaire

b. The collective questionnaire

c. The mThe collective questionnaire

d. Face-to-face interview

24 / 60

Participant observation if one type of data collection methods below: ?

a. Structure interviewing

b. Unstructure interviewing

c. Observation

d. Semi-structure interviewing

25 / 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 11th and 12th values

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

d. The 11th value in the ordered series

26 / 60

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

a. Interviewer bias

b. Information bias

c. Confounding

d. Limited for vary young, very old or handicapped population

27 / 60

The greater the sample size can get:?

a. The more accurate estimate

b. The less accurate estimate

c. 100% accurate information

d. Information bias

28 / 60

The difference between the largest and the smallest data values is the?

a. Range

b. Standard deviation

c. Variance

d. Interquartile range

29 / 60

What is a characteristic of the mean?

a. It minimizes the sum of squared deviations

b. It is best used with ordinal data

c. The sum of the deviations about the mean is not 0

d. It is affected by extreme values

30 / 60

CHECKfile can be created from?

a. Epidata

b. Excel

c. Epiinfo

d. Stata

31 / 60

What is the step 4 of research studies:?

a. Dissect into subareas

b. Select subareas of interest to you

c. Raise research questions

d. Identify the main subject area

32 / 60

What measure of location tend not to be affected by outliers:?

a. Geometric mean

b. Range

c. Median

d. Arithmetic mean

33 / 60

Logfile can be created from: ?

a. Excel

b. Epiinfo

c. Epidata

d. Stata

34 / 60

The cohort study is one type of:?

a. Observational study

b. Experimental study

c. Interventional study

d. Clinical trial

35 / 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. Easy to apply

d. Get 100% accurate and reliable information

36 / 60

Cluster sampling is one type of:?

a. Probability sampling

b. Non-probability sampling

c. Quota sampling

d. Convenient sampling

37 / 60

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

a. Non-random

b. Sample

c. Sampling

d. Random

38 / 60

The mean is?

a. The statistical or arithmetic average

b. The most frequently occurring score

c. The middle most score

39 / 60

Which of the following is qualitative variable?

a. Sex

b. Diastolic blood pressure

c. Height

d. Parity

40 / 60

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

a. Is the average value of the two middle items

b. Must be equal to the mean

c. Cannot be determined

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

41 / 60

The characteristics of unstructured interview data collection method is : ?

a. Take short time

b. Evolutionary, flexible and open structure questions

c. Pre-determined, rigid and closed structure questions

d. Take long time

42 / 60

The analysis of quantitative data is mostly used programme software?

a. Epiinfo

b. Stata

c. Excel-+

d. Epidata

43 / 60

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

a. Study design

b. Sample size

c. Population

d. Previous studies

44 / 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. Get 100% accurate and reliable information

d. Easy to apply

45 / 60

The randomized control trial is one type of:?

a. Observational study

b. Interventional study

c. Cross-sectional study

d. Descriptive study

46 / 60

The aim in selecting a sample is:?

a. To avoid bias in the selection of the sample

b. To get 95% accurate and reliable information

c. To get 100% accurate and reliable information

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

47 / 60

A quantitative research ?

a. Investigates the how of decision making

b. Investigates the what , where and when of decision making

c. Investigates the time of decision making

d. Investigates the why of decision making

48 / 60

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

a. Get 100% accurate and reliable information

b. Get 90% accurate and reliable information

c. Easy to apply

d. Good for sensitive questions for obtaining accurate information

49 / 60

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

a. Interviewer bias

b. Confounding

c. Limited application

d. Information bias

50 / 60

Which of these represent qualitative data?

a. Weight of a patient

b. Height of a patient

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

d. Income of a government staff in a Ministry

51 / 60

If a researcher collect data from secondary source, he/she can be: ?

a. Never get 100% accurate and reliable information

b. Get 100% accurate and reliable information

c. Get 80% accurate and reliable information

d. Get 90% accurate and reliable information

52 / 60

In collecting the data, the researcher must decide: ?

a. Which data to report

b. Which data to collects

c. Which data to analyse

53 / 60

QUESfile can be created from: ?

a. Epidata

b. Excel

c. Epiinfo

d. Stata

54 / 60

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

a. Confounding

b. Information bias

c. Lack of opportunity to clarify issues

d. Interviewer bias

55 / 60

If a researcher collect data from primary source, he/she can be: ?

a. Get 90% accurate and reliable information

b. Never get 100% accurate and reliable information

c. Get 100% accurate and reliable information

d. Get 80% accurate and reliable information

56 / 60

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

a. The size of the sample and random method

b. The size of the sample and total population

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

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

57 / 60

Interviewing all members of a given population is called: ?

a. a research

b. a sample

c. a census

d. a survey

58 / 60

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

a. Informants can refuse to participate

b. The results are never representative

c. Human judgement error

d. The expense

59 / 60

The median of a series of numerical values is: ?

a. A measure of the eccentricity of the series

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

c. The most commonly encountered values among the series

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

60 / 60

Which of the following is continuous variable?

a. Age last birthday

b. Family size

c. Exact age

d. Blood glucose

Your score is

The average score is 78%

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Conception Et Méthodologie De La Recherche Test

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