Conception Et Méthodologie De La Recherche Test

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1 / 60

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

a. Qualitative variables

b. Discrete variables

c. Binary variables

d. Continuous variables

2 / 60

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

a. Observation

b. Sample

c. Population

d. Data

3 / 60

Dependent variable in epidemiological study was also called:?

a. Outcome variable

b. Exposure variable

c. Independent variable

d. Explanatory variable

4 / 60

Characteristic of qualitative research is ?

a. Using only descriptive method

b. Using statistical method

c. Based on the measurement of quantity or amount

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

5 / 60

The primary source data can get from 😕

a. Unpublished data

b. Questionnaires

c. Published data

d. Documents

6 / 60

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

a. Online questionnaires

b. Structured interview

c. Mailed questionnaires

d. Unstructured interviews

7 / 60

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

a. Four Ps

b. Three Ps

c. One P

d. Two Ps

8 / 60

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

a. Random

b. Sample

c. Sampling

d. Non-random

9 / 60

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

a. Mean

b. Median

c. Range

d. Mode

10 / 60

The mean is?

a. The middle most score

b. The most frequently occurring score

c. The statistical or arithmetic average

11 / 60

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

a. Never get 100% accurate and reliable information

b. Get 90% accurate and reliable information

c. Get 80% accurate and reliable information

d. Get 100% accurate and reliable information

12 / 60

The primary source data can get from : ?

a. Unpublished data

b. Interviewing

c. Documents

d. Published data

13 / 60

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

a. Confounding

b. Interviewer bias

c. Information bias

d. Not everyone will return questionnaires

14 / 60

The aim in selecting a sample is:?

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

b. To get 100% accurate and reliable information

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

d. To get 95% accurate and reliable information

15 / 60

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

a. Human judgement error

b. The results are never representative

c. The expense

d. Informants can refuse to participate

16 / 60

Which of the following is not a measure of central location?

a. Mode

b. Mean

c. Variance

d. Median

17 / 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. It is affected by extreme values

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

18 / 60

The characteristic of an open-ended question in research studies is: ?

a. Possible response categories are provided

b. Structure question

c. Possible response categories are not provided

d. Check list

19 / 60

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

a. Quantitative variables

b. Continuous variables

c. Absolute variables

d. Discrete variable

20 / 60

If a population is homogeneous:?

a. No need random

b. No need sampling

c. A small sample can provide reasonably good estimate

d. A large sample can provide reasonably good estimate

21 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. The semi-unstructure interview

c. The structure interview

d. Weighing

22 / 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 11th 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 10th value in the ordered series

23 / 60

The characteristic of a close-ended question in research studies is: ?

a. Flexible question

b. Possible response categories are not provided

c. Unstructure question

d. Possible response categories are provided

24 / 60

Height of one patient is one type of:?

a. Qualitative variables

b. Categorical variables

c. Quantitative variables

d. Binary variables

25 / 60

The continuous variable is one type of:?

a. Binary variables

b. Qualitative variables

c. Categorical variables

d. Quantitative variables

26 / 60

Which one of these sampling methods is a probability method? ?

a. Convenience

b. Quota

c. Judgement

d. Simple random sampling

27 / 60

A parameter is a measure which is computed from?

a. Population data

b. Test statistics

c. Raw data

d. Sample data

28 / 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 short time

d. Take long time

29 / 60

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

a. Population

b. Research question

c. Sample

d. Data at the field

30 / 60

QUESfile can be created from: ?

a. Excel

b. Epiinfo

c. Epidata

d. Stata

31 / 60

What is the step 2 of research studies:?

a. Raise research questions

b. Identify the main subject area

c. Select subareas of interest to you

d. Dissect into subareas

32 / 60

The 90th percentile has:?

a. 100% of the observations at or below it

b. 90% of the observations at or below it

c. 99% of the observations at or below it

d. 95% of the observations at or below it

33 / 60

What information can be obtained from a cohort study?

a. The prevalence of a disease

b. The prevalence of an exposure

c. The incidence of a disease

d. The cause of a disease

34 / 60

The analysis of quantitative data is mostly used programme software?

a. Epiinfo

b. Epidata

c. Stata

d. Excel-+

35 / 60

Which of the following is continuous variable?

a. Family size

b. Age last birthday

c. Exact age

d. Blood glucose

36 / 60

Based on Monette et al (1986:156), the interview is : ?

a. The interviewer reads the questions to respondents and recording their answers

b. The collective questionnaire

c. The online questionnaire

d. The mailed questionnaire

37 / 60

The secondary data source was available from 😕

a. The interviews

b. Unpublished data

c. The questionnaires

d. The observations

38 / 60

The primary source data can get from : ?

a. Observation

b. Documents

c. Unpublished data

d. Published data

39 / 60

The binary variables is one type of:?

a. Continuous variables

b. Discrete variables

c. Quantitative variables

d. Qualitative variables

40 / 60

What is the main purpose of using Stata software for?

a. Data analysis

b. Data checking

c. Data collection

d. Creating questionnaire

41 / 60

The cut-off for the third quartile is:?

a. The 75th percentile

b. The 50th percentile

c. The 90th percentile

d. The 25th percentile

42 / 60

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

a. Continuous

b. Qualitative

c. Quantitative

d. Discrete

43 / 60

In collecting the data, the researcher must decide: ?

a. When to summary the data

b. When to collect the data

c. When to report the data

d. When to analyse the data

44 / 60

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

a. Observations

b. Structured interview

c. Online questionnaires

d. Mailed questionnaires

45 / 60

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

a. Four numbers

b. A single number

c. Two numbers

d. Three numbers

46 / 60

Which one is the observation method of data collection : ?

a. The semi-unstructure interview

b. The unstructure interview

c. Review record

d. The structure interview

47 / 60

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

a. People, problems, programmes, power

b. People, problems, programmes, percent

c. People, problems, programmes, phenomenon

d. People, problems, programmes, proportion

48 / 60

The categorical variables is one type of:?

a. Quantitative variables

b. Discrete variables

c. Continuous variables

d. Qualitative variables

49 / 60

The difference between sample statistic and the true population is due to:?

a. Information bias

b. Selection bias

c. Bias

d. Sampling error

50 / 60

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

a. Data at the field

b. Variables

c. Population

d. Sample

51 / 60

In statistics, a population consists of?

a. All people living in a country

b. All subjects or objects whose characteristics are being studied

c. All people living in the area under study

d. All people who developing disease

52 / 60

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

a. Less than this value

b. More than this value

c. More than or equal to this value

d. Less than or equal to this value

53 / 60

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

a. Hypothesis

b. Sample

c. Population

d. Data at the field

54 / 60

The randomized control trial is one type of:?

a. Interventional study

b. Cross-sectional study

c. Observational study

d. Descriptive study

55 / 60

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

a. Confounding

b. Information bias

c. People fail to return

d. Interviewer bias

56 / 60

A numerical value used as a summary measure for a sample, such as sample mean, is known as a?

a. Population mean

b. Sample parameter

c. Sample statistic

d. Population parameter

57 / 60

What is the objective of a research?

a. To solve and understand scientific and nonscientific problems

b. To study hidden

c. To find outcome

d. To provide knowledge

58 / 60

What is the step 5 of research studies:?

a. Assess the objectives

b. Double-check

c. Formulate objectives

d. Make sure

59 / 60

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

a. The selection bias

b. The interview bias

c. Observer bias

d. The information bias

60 / 60

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

a. Deciles

b. Percentiles

c. Median

d. Quartiles

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The average score is 12%

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Conception Et Méthodologie De La Recherche Test

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