Conception Et Méthodologie De La Recherche Test

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1 / 60

The secondary data source: ?

a. Involves data collection for various purposes

b. Involves data collection directly from the respondents

c. Involves data collection from the interview

d. Involves data collection indirectly from the respondents

2 / 60

The randomized control trial is one type of:?

a. Cross-sectional study

b. Observational study

c. Descriptive study

d. Interventional study

3 / 60

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

a. Discrete

b. Quantitative

c. Qualitative

d. Continuous

4 / 60

What is the step 5 of research studies:?

a. Assess the objectives

b. Double-check

c. Make sure

d. Formulate objectives

5 / 60

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

a. Continuous variables

b. Discrete variables

c. Qualitative variables

d. Binary variables

6 / 60

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

a. Always less than zero

b. Always equal to zero

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

d. Always greater than zero

7 / 60

What is data collection?

a. The process by which the researcher reports the information

b. The process by which the researcher collects the information

c. The process by which the researcher analyses the information

d. The process by which the researcher summaries the informatio

8 / 60

What is the main function of using Epidata software for?

a. Creating questionnaire

b. Data analysis

c. Data checking

d. Data collection

9 / 60

The primary data source: ?

a. Involves data collection from the interview

b. Involves data collection indirectly from the respondents

c. Involves data collection from documents

d. Involves data collection directly from the respondents

10 / 60

The secondary data source was available from : ?

a. The interviewThe questionnaires

b. The observations

c. Census report

d. The questionnaires

11 / 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 75th percentile

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

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

12 / 60

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

a. Sampling error

b. Selection bias

c. Information bias

d. Bias

13 / 60

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

a. Median

b. Arithmetic mean

c. Range

d. Geometric mean

14 / 60

The interview of data collection method is : ?

a. The collective questionnaire

b. Person-to-person interaction

c. The online questionnaire

d. The mailed questionnaire

15 / 60

The continuous variable is one type of:?

a. Categorical variables

b. Binary variables

c. Qualitative variables

d. Quantitative variables

16 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. The structure interview

c. Review record

d. The semi-unstructure interview

17 / 60

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

a. Structured interview

b. Mailed questionnaires

c. Non-observations

d. Online questionnaires

18 / 60

A quantitative research ?

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

b. Investigates the why of decision making

c. Investigates the how of decision making

d. Investigates the time of decision making

19 / 60

The purpose of sampling in quantitative research is:?

a. Not to draw inferences

b. Not to get in-depth knowledge about situation

c. To draw inferences

d. To gain in-depth knowledge about situation

20 / 60

Logfile can be created from: ?

a. Stata

b. Epiinfo

c. Epidata

d. Excel

21 / 60

Height of one patient is one type of:?

a. Qualitative variables

b. Categorical variables

c. Binary variables

d. Quantitative variables

22 / 60

What is a characteristic of the mean?

a. It minimizes the sum of squared deviations

b. It is affected by extreme values

c. It is best used with ordinal data

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

23 / 60

What is the step 2 of research studies:?

a. Identify the main subject area

b. Dissect into subareas

c. Select subareas of interest to you

d. Raise research questions

24 / 60

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

a. Limited application

b. Interviewer bias

c. Confounding

d. Information bias

25 / 60

The most important statistical descriptive measure of the location of a data set is the?

a. Mode

b. Median

c. Variance

d. Mean

26 / 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

27 / 60

The median of a sample will always equal the?

a. Mean

b. 75th percentil

c. Mode

d. 50th percentile

28 / 60

The advantage of selecting a sample is 😕

a. Representative

b. Save time

c. Easy to collect data

d. Random

29 / 60

A parameter is a measure which is computed from?

a. Raw data

b. Population data

c. Sample data

d. Test statistics

30 / 60

The median of a series of numerical values is: ?

a. The most commonly encountered values among the series

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

c. A measure of the eccentricity of the series

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

31 / 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 mean between the 11th and 12th values

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

c. The 11th value in the ordered series

d. The 10th value in the ordered series

32 / 60

The interview of data collection method is : ?

a. The collective questionnaire

b. The online questionnaire

c. The mThe collective questionnaire

d. Face-to-face interview

33 / 60

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

a. Possible response categories are provided

b. Flexible question

c. Possible response categories are not provided

d. Unstructure question

34 / 60

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

a. Interviewer bias

b. Information bias

c. Not everyone will return questionnaires

d. Confounding

35 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. The semi-unstructure interview

c. The unstructure interview

d. Checking blood pressure of respondent

36 / 60

Dofile can be created from: ?

a. Epiinfo

b. Stata

c. Excel

d. Epidata

37 / 60

Participant observation is : ?

a. A researcher has just listened

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

c. A researcher has just watched

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

38 / 60

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

a. Online questionnaires

b. Structured interview

c. Mailed questionnaires

d. In-depth interviewing

39 / 60

Disproportionate stratified sampling is one type of:?

a. Stratified sampling

b. Systematic sampling

c. Cluster sampling

d. Quota sampling

40 / 60

The application of statistical methods in biology is called ?

a. Descriptive statistics

b. Statistics in vivo

c. Statistics in biology

d. Biostatistics

41 / 60

The stages of a malignant disease (cancer) is recorded using the symbols 0, I, II, III, IV We say
that the scale used is: ?

a. Ordinal

b. Numerical

c. Nominal

d. Alphanumeric

42 / 60

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

a. The questionnaire

b. Focus group interviews

c. In-depth interviews

d. The observation

43 / 60

What is the main purpose of using Epidata software for?

a. Data analysis

b. Data collection

c. Data checking

d. Data entry

44 / 60

The aim in selecting a sample is:?

a. To avoid bias in the selection of the sample

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

c. To get 100% accurate and reliable information

d. To get 95% accurate and reliable information

45 / 60

What is a research methods?

a. Data interpretation

b. Are the various procedures, schemes and algorithms used in research

c. Data collection

d. Data analysis

46 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. The structure interview

c. Checking pulse of respondent

d. The semi-unstructure interview

47 / 60

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

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

b. Interviewer bias

c. Information bias

d. Confounding

48 / 60

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

a. Median

b. Range

c. Mode

d. Mean

49 / 60

Which of the following is a measure of dispersion?

a. Standard error

b. Interquartile range

c. Quartiles

d. Percentiles

50 / 60

The binary variables is one type of:?

a. Qualitative variables

b. Discrete variables

c. Continuous variables

d. Quantitative variables

51 / 60

If a population is homogeneous:?

a. A small sample can provide reasonably good estimate

b. A large sample can provide reasonably good estimate

c. No need random

d. No need sampling

52 / 60

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

a. Sampling

b. Sample

c. Non-random

d. Random

53 / 60

Mean Deviation, Variance and Standard Deviation of the values of 6,6,6,6,6,6 is ?

a. 12

b. 6

c. 0

d. 18

54 / 60

Which of these represent qualitative data?

a. Income of a government staff in a Ministry

b. Weight of a patient

c. Height of a patient

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

55 / 60

Cluster sampling, stratified sampling and systematic sampling are types of:?

a. non random sampling

b. Random sampling

c. Indirect sampling

d. Non-probability sampling

56 / 60

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

a. Simple random sampling

b. Quota

c. Convenience

d. Judgement

57 / 60

The number of traffic accidents in Cambodia during 2014 is:?

a. Discrete variable

b. Continuous variable

c. Qualitative variable

d. Constant

58 / 60

Quantitative variables that has only fixed of finite values are called:?

a. Discrete variable

b. Continuous variables

c. Absolute variables

d. Quantitative variables

59 / 60

The secondary data source was available from 😕

a. The observations

b. Unpublished data

c. The questionnaires

d. The interviews

60 / 60

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

a. Ratio

b. Nominal

c. Interval

d. Ordinal

Your score is

The average score is 12%

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Conception Et Méthodologie De La Recherche Test

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