Conception Et Méthodologie De La Recherche Test

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1 / 60

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

a. Observer bias

b. The selection bias

c. The information bias

d. The interview bias

2 / 60

If a population is heterogeneous:?

a. No need random

b. A small sample can provide reasonably good estimate

c. A larger sample can provide reasonably good estimate

d. No need sampling

3 / 60

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

a. Discrete data

b. Qualitative data

c. Categorical data

d. Continuous data

4 / 60

Quantitative research is?

a. Hypothesis testing

b. Sample size

c. Study design

d. Numerical, non-descriptive, applies statistics or mathematics and uses numbers

5 / 60

Weight of one patient is one type of:?

a. Categorical variables

b. Qualitative variables

c. Binary variables

d. Quantitative variables

6 / 60

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

a. Discrete

b. Quantitative

c. Continuous

d. Qualitative

7 / 60

The primary source data can get from : ?

a. Documents

b. Observation

c. Unpublished data

d. Published data

8 / 60

The meaning of in-depth interviews is : ?

a. One-on-four discussion designed to provide a detailed picture of an individual

b. One-on-one discussion designed to provide a detailed picture of an individual

c. One-on-two discussion designed to provide a detailed picture of an individual

d. One-on-three discussion designed to provide a detailed picture of an individual

9 / 60

What is the step 5 of research studies:?

a. Assess the objectives

b. Formulate objectives

c. Double-check

d. Make sure

10 / 60

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

a. Focus group interviews

b. Mailed questionnaires

c. Structured interview

d. Online questionnaires

11 / 60

The choice of study design depends on a variety of considerations, except 1:?

a. Available of method

b. Availability of resources

c. Availability of data

d. Availability of time

12 / 60

Simple random sampling (SRS) is one type of:?

a. Quota sampling

b. Probability sampling

c. Non-probability sampling

d. Convenient sampling

13 / 60

If a person weight is 605 kg, it was classified as:?

a. Discrete variables

b. Binary variables

c. Qualitative variables

d. Continuous variables

14 / 60

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

a. Variance

b. Interquartile range

c. Standard deviation

d. Range

15 / 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 informatio

d. The process by which the researcher reports the information

16 / 60

A quantitative research ?

a. Using qualitative method

b. Using epidemiology method

c. Using only descriptive method

d. Using statistical methods

17 / 60

The binary variables is one type of:?

a. Discrete variables

b. Quantitative variables

c. Continuous variables

d. Qualitative variables

18 / 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 smallest (minimum) value and its largest (maximum) value

c. The difference between its mode and its median

d. The difference between its median and its mode

19 / 60

What is a characteristic of the mean?

a. It is affected by extreme values

b. It minimizes the sum of squared deviations

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

d. It is best used with ordinal data

20 / 60

What is a research methods?

a. Data interpretation

b. Data analysis

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

d. Data collection

21 / 60

The primary data source: ?

a. Involves data collection from documents

b. Are specifically for purpose of research

c. Involves data collection indirectly from the respondents

d. Involves data collection from the intervie

22 / 60

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

a. Structured interview

b. Online questionnaires

c. Unstructured interviews

d. Mailed questionnaires

23 / 60

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

a. Continuous variables

b. Absolute variables

c. Discrete variable

d. Quantitative variables

24 / 60

The discrete variable is one type of:?

a. Qualitative variables

b. Categorical variables

c. Binary variables

d. Quantitative variables

25 / 60

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

a. Interviewer bias

b. Not representative the target population

c. Confounding

d. Information bias

26 / 60

The median of a sample will always equal the?

a. Mean

b. 50th percentile

c. Mode

d. 75th percentil

27 / 60

The secondary source of data can provide: ?

a. Fourth-hand data

b. First-hand data

c. Second-hand data

d. Third-hand data

28 / 60

A parameter is a measure which is computed from?

a. Population data

b. Sample data

c. Test statistics

d. Raw data

29 / 60

The result of a quantitative research ?

a. Voice recording

b. Are paragraph

c. Are phrases

d. Are often presented in tables and graphs

30 / 60

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

a. Less expensive

b. Get 90% accurate and reliable informatio

c. Get 100% accurate and reliable information

d. Easy to apply

31 / 60

The median of a series of numerical values is: ?

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

b. A measure of the eccentricity of the series

c. The most commonly encountered values among the series

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

32 / 60

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

a. Good for sensitive questions for obtaining accurate information

b. Get 90% accurate and reliable information

c. Get 100% accurate and reliable information

d. Easy to apply

33 / 60

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

a. Sample statistic

b. Sample parameter

c. Population parameter

d. Population mean

34 / 60

If a population is homogeneous:?

a. A small sample can provide reasonably good estimate

b. No need sampling

c. A large sample can provide reasonably good estimate

d. No need random

35 / 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

36 / 60

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

a. Previous studies

b. Study design

c. Sample size

d. Population

37 / 60

Sampling frame is 😕

a. The total number of population

b. The total number of sample

c. The target population

d. A list of study population

38 / 60

In statistics, a population consists of?

a. All subjects or objects whose characteristics are being studied

b. All people living in a country

c. All people living in the area under study

d. All people who developing disease

39 / 60

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

a. Informants can refuse to participate

b. Human judgement error

c. The results are never representative

d. The expense

40 / 60

The meaning of focus group discussion is : ?

a. Group discussions intended to identify the beliefs and opinions of selected group of people on a specific topic

b. One-on-three discussion designed to provide a detailed picture of an individual

c. One-on-one discussion designed to provide a detailed picture of an individual

d. One-on-two discussion designed to provide a detailed picture of an individual

41 / 60

Which one is the observation method of data collection : ?

a. Review record

b. The unstructure interview

c. The semi-unstructure interview

d. The structure interview

42 / 60

Systematic sampling is one type of:?

a. Convenient sampling

b. Non-probability sampling

c. Probability sampling

d. Quota sampling

43 / 60

The primary source of data can provide: ?

a. Fourth-hand data

b. Second-hand data

c. First-hand data

d. Third-hand data

44 / 60

The advantage of selecting a sample is 😕

a. Random

b. Representative

c. Easy to collect data

d. Save money

45 / 60

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

a. Structured interview

b. Online questionnaires

c. Participant-observations

d. Mailed questionnaires

46 / 60

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

a. Qualitative variable

b. Discrete variable

c. Continuous variable

d. Constant

47 / 60

Percentiles divide the data in a distribution into:?

a. 50 equal parts

b. 25 equal parts

c. 75 equal parts

d. 100 equal parts

48 / 60

Type of sampling in which each element of population has equally likely chance of selection is:?

a. Simple random sampling

b. Convenince

c. Quota

d. Judgement

49 / 60

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

a. The interview bias

b. Positive or negative of the respondents’ behavior

c. The selection bias

d. The information bias

50 / 60

The clinical trial is one type of:?

a. Descriptive study

b. Interventional study

c. Cross-sectional study

d. Observational study

51 / 60

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

a. The information bia

b. The selection bias

c. The interview bias

d. Vary from observer to observer

52 / 60

Proportionate stratified sampling is one type of:?

a. Quota sampling

b. Systematic sampling

c. Cluster sampling

d. Stratified sampling

53 / 60

What is the step 3 of research studies:?

a. Select subareas of interest to you

b. Identify the main subject area

c. Raise research questions

d. Dissect into subareas

54 / 60

The mean is?

a. The middle most score

b. The most frequently occurring score

c. The statistical or arithmetic average

55 / 60

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

a. Interviewer bias

b. Information bias

c. Confounding

d. Not everyone will return questionnaires

56 / 60

What is the main purpose of using Stata software for?

a. Data summary

b. Creating questionnaire

c. Data collection

d. Data checking

57 / 60

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

a. More than or equal to this value

b. Less than this value

c. Less than or equal to this value

d. More than this value

58 / 60

The advantage of selecting a sample is 😕

a. Easy to collect data

b. Representative

c. Random

d. Save time

59 / 60

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

a. Discrete variable

b. Quantitative variables

c. Absolute variables

d. Continuous variables

60 / 60

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

a. Four numbers

b. Two numbers

c. Three numbers

d. A single number

Your score is

The average score is 77%

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Conception Et Méthodologie De La Recherche Test

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