Conception Et Méthodologie De La Recherche Test

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1 / 60

The range of a set of data is:?

a. The difference between its largest (maximum) value and its smallest (minimum) value

b. The difference between its mode and its median

c. The difference between its smallest (minimum) value and its largest (maximum) value

d. The difference between its median and its mode

2 / 60

If a population is homogeneous:?

a. No need random

b. No need sampling

c. A large sample can provide reasonably good estimate

d. A small sample can provide reasonably good estimate

3 / 60

RECfile can be created from: ?

a. Stata

b. Excel

c. Epidata

d. Epiinfo

4 / 60

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

a. Discrete variable

b. Quantitative variables

c. Continuous variables

d. Absolute variables

5 / 60

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

a. The information bias

b. The selection bias

c. Observer bias

d. The interview bias

6 / 60

The purpose of sampling in quantitative research is:?

a. To gain in-depth knowledge about situation

b. Not to draw inferences

c. Not to get in-depth knowledge about situation

d. To draw inferences

7 / 60

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

a. Online questionnaires

b. Mailed questionnaires

c. Structured interview

d. In-depth interviewing

8 / 60

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

a. Absolute variables

b. Continuous variables

c. Discrete variable

d. Quantitative variables

9 / 60

The interquartile range is?

a. Another name for the variance

b. The difference between the largest and smallest values

c. The difference between the third quartile and the first quartile

d. The 50th percentile

10 / 60

The disadvantage of selecting a sample is 😕

a. Random

b. Easy to collect data

c. Possibly of an error in the estimation

d. Representative

11 / 60

The value that has half of the observations above it and half the observations below it is called the?

a. Range

b. Mean

c. Mode

d. Median

12 / 60

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

a. Interquartile range

b. Standard deviation

c. Range

d. Variance

13 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. Checking pulse of respondent

c. The unstructure interview

d. The semi-unstructure interview

14 / 60

The weight of patients in a hospital is:?

a. Continuous variable

b. Binary variable

c. Discrete variable

d. Qualitative variable

15 / 60

The 90th percentile has:?

a. 90% of the observations at or below it

b. 100% of the observations at or below it

c. 95% of the observations at or below it

d. 99% of the observations at or below it

16 / 60

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

a. Structure question

b. Check list

c. Possible response categories are provided

d. Possible response categories are not provided

17 / 60

The cross-sectional study is one type of:?

a. Observational study

b. Clinical trial

c. Experimental study

d. Interventional study

18 / 60

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

a. Continuous data

b. Categorical data

c. Discrete data

d. Qualitative data

19 / 60

The 75th percentile is referred to as the?

a. Third quartile

b. Second quartile

c. First quartile

20 / 60

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

a. Limited application

b. Confounding

c. Interviewer bias

d. Information bias

21 / 60

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

a. Median

b. Quartiles

c. Deciles

d. Percentiles

22 / 60

Cluster sampling is one type of:?

a. Quota sampling

b. Convenient sampling

c. Probability sampling

d. Non-probability sampling

23 / 60

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

a. Sample

b. Data at the field

c. Hypothesis

d. Population

24 / 60

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

a. Variance

b. Mean

c. Standard deviation

d. Range

25 / 60

The advantage of structured interview data collection method is : ?

a. It requires fewer interviewing skills

b. It requires much interviewing skills

c. It takes short tim

d. It is quick to get information

26 / 60

Which of the following is not a measure of dispersion?

a. The range

b. The 50th percentile

c. The interquartile range

d. The standard deviation

27 / 60

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

a. Sample size

b. Population

c. Study design

d. Previous studies

28 / 60

In collecting the data, the researcher must decide: ?

a. How to analyse the data

b. How to collects the data

c. How to report the data

d. How to summary the data

29 / 60

What is the main function of using Epidata software for?

a. Data checking

b. Data collection

c. Data analysis

d. Creating questionnaire

30 / 60

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

a. Range

b. Arithmetic mean

c. Geometric mean

d. Median

31 / 60

What makes people do a research?

a. To study relationship

b. To have fun

c. To serve the society by solving social problems

d. To get more knowledge

32 / 60

For sampling, which one of the following should be up-to-date, complete and affordable?

a. A questionnaire

b. A respondent

c. A sampling frame

d. A census

33 / 60

Participant observation is : ?

a. A researcher has just watched

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

c. A researcher has just listened

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

34 / 60

Height of one patient is one type of:?

a. Categorical variables

b. Quantitative variables

c. Qualitative variables

d. Binary variables

35 / 60

The secondary data source was available from : ?

a. The interviews

b. The questionnaires

c. Published data

d. The observations

36 / 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

37 / 60

The aim in selecting a sample is:?

a. To get 100% accurate and reliable information

b. To avoid bias in the selection of the sample

c. To get 95% accurate and reliable information

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

38 / 60

What is the questionnaire : ?

a. A question to ask respondents

b. A open-ended question

c. Written list of questions

d. A closed question

39 / 60

The advantage of structured interview data collection method is : ?

a. It is quick to get information

b. It takes short time

c. It provides uniform information

d. It do not provide uniform information

40 / 60

The secondary data source was available from : ?

a. The questionnaires

b. The interviewThe questionnaires

c. The observations

d. Census report

41 / 60

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

a. Probability

b. Sampling design or sampling method

c. Random

d. Non-random

42 / 60

Sampling frame is 😕

a. The total number of population

b. A list of study population

c. The target population

d. The total number of sample

43 / 60

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

a. Confounding

b. Not everyone will return questionnaires

c. Information bias

d. Interviewer bias

44 / 60

What the advantage of a cohort study?

a. Exposure is assessed before outcome

b. Can study a rare disease

c. Response is high

d. Quick to conduct

45 / 60

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

a. Unstructure question

b. Possible response categories are not provided

c. Possible response categories are provided

d. Flexible question

46 / 60

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

a. Nominal, ordinal, interval, proportion

b. Nominal, ordinal, interval, frequency

c. Nominal, ordinal, interval, ratio

d. Nominal, ordinal, interval, percent

47 / 60

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

a. Selection bias

b. Information bias

c. Sampling error

d. Bias

48 / 60

What is the step 2 of research studies:?

a. Raise research questions

b. Dissect into subareas

c. Identify the main subject area

d. Select subareas of interest to you

49 / 60

Percentiles divide the data in a distribution into:?

a. 25 equal parts

b. 75 equal parts

c. 50 equal parts

d. 100 equal parts

50 / 60

What is a research design ?

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

b. Using statistical method

c. Basic characteristic of the measurement in quantity method

d. Using only descriptive method

51 / 60

The continuous variable is one type of:?

a. Quantitative variables

b. Binary variables

c. Categorical variables

d. Qualitative variables

52 / 60

The advantage of open-ended question is: ?

a. Apply all kind of researches

b. Only used in community

c. Mostly used in quantitative research

d. Provide in-depth information

53 / 60

The randomized control trial is one type of:?

a. Observational study

b. Descriptive study

c. Cross-sectional study

d. Interventional study

54 / 60

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

a. Stratified sampling

b. Non random sampling

c. Random sampling

d. Probability sampling

55 / 60

The advantage of selecting a sample is 😕

a. Easy to collect data

b. Representative

c. Random

d. Save money

56 / 60

Which of the following is a measure of dispersion?

a. Interquartile range

b. Quartiles

c. Standard error

d. Percentiles

57 / 60

A parameter is a measure which is computed from?

a. Sample data

b. Population data

c. Test statistics

d. Raw data

58 / 60

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

a. Observation

b. Interviewing

c. Questionnaire

d. Documents

59 / 60

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

a. Confounding

b. Lack of opportunity to clarify issues

c. Information bias

d. Interviewer bias

60 / 60

In collecting the data, the researcher must decide: ?

a. When to summary the data

b. When to report the data

c. When to collect the data

d. When to analyse the data

Your score is

The average score is 78%

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Conception Et Méthodologie De La Recherche Test

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