Conception Et Méthodologie De La Recherche Test

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1 / 60

Proportionate stratified sampling is one type of:?

a. Quota sampling

b. Stratified sampling

c. Systematic sampling

d. Cluster sampling

2 / 60

The meaning of focus group discussion is : ?

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

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

3 / 60

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

a. Mean

b. Mode

c. Range

d. Median

4 / 60

Independent variable in epidemiological study was also called:?

a. Outcome variable

b. Exposure variable

c. Dependent variable

d. Response variable

5 / 60

The median of a series of numerical values is: ?

a. The most commonly encountered values among the series

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

c. A measure of the eccentricity of the series

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

6 / 60

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

a. Observation

b. Questionnaire

c. Interviewing

d. Documents

7 / 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

8 / 60

Which of these represent qualitative data?

a. Height of a patient

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

c. Weight of a patient

d. Income of a government staff in a Ministry

9 / 60

The first quartile?

a. Contains at least one third of the data elements

b. Is the same as the 50th percentile

c. Is the same as the 25th percentile

d. Is the same as the 75th percentile

10 / 60

The characteristics of structured interview data collection method is : ?

a. Take long time

b. Evolutionary, flexible and open structure questions

c. Pre-determined, rigid and closed structure questions

d. Take short time

11 / 60

The disadvantage of selecting a sample is 😕

a. Representative

b. Random

c. Easy to collect data

d. Possibly of an error in the estimation

12 / 60

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

a. Get 90% accurate and reliable information

b. Get 100% accurate and reliable information

c. Never get 100% accurate and reliable information

d. Get 80% accurate and reliable information

13 / 60

What is the main function of using Epidata software for?

a. Data collection

b. Creating questionnaire

c. Data analysis

d. Data checking

14 / 60

Characteristic of qualitative research is ?

a. Using only descriptive method

b. Based on the measurement of quantity or amount

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

d. Using statistical method

15 / 60

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

a. A census

b. A questionnaire

c. A sampling frame

d. A respondent

16 / 60

Chose the correct answer below : ?

a. Interview schedule is a method for collecting data

b. Interview schedule is not a research tool/instrument for collecting data

c. Interview schedule is a research tool/instrument for collecting data

d. Interview schedule is time frame for collecting data

17 / 60

Cluster sampling is one type of:?

a. Convenient sampling

b. Probability sampling

c. Non-probability sampling

d. Quota sampling

18 / 60

How many scale of variables measurement in statistical data:?

a. Two scales of measurement

b. Four scales of measurement

c. Five scales of measurement

d. Three scales of measurement

19 / 60

The binary variables is one type of:?

a. Qualitative variables

b. Continuous variables

c. Discrete variables

d. Quantitative variables

20 / 60

The secondary data source was available from : ?

a. The questionnaires

b. Published data

c. The interviews

d. The observations

21 / 60

Which of the following is not based on all the observations?

a. Arithmetic mean

b. Geometric mean

c. Mode

d. Median

22 / 60

What is the questionnaire : ?

a. A open-ended question

b. A question to ask respondents

c. A closed question

d. Written list of questions

23 / 60

Which one is the observation method of data collection : ?

a. The semi-unstructure interview

b. Checking blood pressure of respondent

c. The unstructure interview

d. The structure interview

24 / 60

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

a. Standard deviation

b. Interquartile range

c. Range

d. Variance

25 / 60

Logfile can be created from: ?

a. Stata

b. Epiinfo

c. Excel

d. Epidata

26 / 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. More than this value

c. Less than or equal to this value

d. Less than this value

27 / 60

The result of a quantitative research ?

a. Are often presented in tables and graphs

b. Voice recording

c. Are phrases

d. Are paragraph

28 / 60

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

a. Deciles

b. Percentiles

c. Quartiles

d. Standard Deviations

29 / 60

The categorical variables is one type of:?

a. Discrete variables

b. Continuous variables

c. Quantitative variables

d. Qualitative variables

30 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. Weighing

c. The unstructure interview

d. The semi-unstructure interview

31 / 60

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

a. Structure interviewing

b. Unstructure interviewing

c. Observation

d. Semi-structure interviewing

32 / 60

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

a. Quantitative

b. Discrete

c. Qualitative

d. Continuous

33 / 60

The mean is?

a. The most frequently occurring score

b. The statistical or arithmetic average

c. The middle most score

34 / 60

QUESfile can be created from: ?

a. Epidata

b. Excel

c. Stata

d. Epiinfo

35 / 60

Quantitative research is?

a. Study design

b. Sample size

c. Hypothesis testing

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

36 / 60

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

a. Non-random

b. Sampling

c. Random

d. Sample

37 / 60

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

a. Get 90% accurate and reliable information

b. Get 100% accurate and reliable information

c. Good for sensitive questions for obtaining accurate information

d. Easy to apply

38 / 60

Which one is the observation method of data collection : ?

a. The semi-unstructure interview

b. The structure interview

c. The unstructure interview

d. Checking temperature of respondent

39 / 60

The aim in selecting a sample is:?

a. To get 100% accurate and reliable information

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

c. To avoid bias in the selection of the sample

d. To get 95% accurate and reliable information

40 / 60

A quantitative research ?

a. Using epidemiology method

b. Using qualitative method

c. Using statistical methods

d. Using only descriptive method

41 / 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

42 / 60

The cross-sectional study is one type of:?

a. Interventional study

b. Clinical trial

c. Observational study

d. Experimental study

43 / 60

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

a. The selection bias

b. Observer bias

c. The information bias

d. The interview bias

44 / 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 non-random method

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

d. The size of the sample and total population

45 / 60

The secondary data source was available from 😕

a. The observations

b. Unpublished data

c. The questionnaires

d. The interviews

46 / 60

Which of the following is qualitative variable?

a. Sex

b. Diastolic blood pressure

c. Parity

d. Height

47 / 60

In collecting the data, the researcher must decide: ?

a. Who will report the data

b. Who will analyse the data

c. Who will summary the data

d. Who will collect the data

48 / 60

Disproportionate stratified sampling is one type of:?

a. Stratified sampling

b. Quota sampling

c. Systematic sampling

d. Cluster sampling

49 / 60

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

a. Quota

b. Simple random sampling

c. Convenince

d. Judgement

50 / 60

What is the main purpose of using Stata software for?

a. Creating questionnaire

b. Data collection

c. Data checking

d. Data analysis

51 / 60

Weight of one patient is one type of:?

a. Qualitative variables

b. Binary variables

c. Quantitative variables

d. Categorical variables

52 / 60

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

a. The interview bias

b. The selection bias

c. The information bia

d. Vary from observer to observer

53 / 60

Interviewing all members of a given population is called: ?

a. a sample

b. a census

c. a research

d. a survey

54 / 60

Which of the following provides a meaning of research?

a. Study design

b. Inferential statistic

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

d. Epidemiological study

55 / 60

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

a. Discrete variable

b. Quantitative variables

c. Continuous variables

d. Absolute variables

56 / 60

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

a. Do not need to interview respondents

b. Easy to apply

c. Get 90% accurate and reliable information

d. Get 100% accurate and reliable information

57 / 60

The interview of data collection method is : ?

a. Person-to-person interaction

b. The online questionnaire

c. The mailed questionnaire

d. The collective questionnaire

58 / 60

The range of a set of data is:?

a. The difference between its median and its mode

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

59 / 60

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

a. Quota

b. Judgement

c. Convenience

d. Simple random sampling

60 / 60

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

a. Mode

b. Variance

c. Median

d. Mean

Your score is

The average score is 78%

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Conception Et Méthodologie De La Recherche Test

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត