Conception Et Méthodologie De La Recherche Test

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1 / 60

The 90th percentile has:?

a. 95% of the observations at or below it

b. 100% of the observations at or below it

c. 99% of the observations at or below it

d. 90% of the observations at or below it

2 / 60

What is the main purpose of using Stata software for?

a. Creating questionnaire

b. Data checking

c. Data analysis

d. Data collection

3 / 60

Which one is the observation method of data collection : ?

a. The structure interview

b. The semi-unstructure interview

c. Checking pulse of respondent

d. The unstructure interview

4 / 60

Proportionate stratified sampling is one type of:?

a. Systematic sampling

b. Quota sampling

c. Stratified sampling

d. Cluster sampling

5 / 60

Participant observation is : ?

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

b. A researcher has just watched

c. A researcher has just listened

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

6 / 60

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

a. Non-random

b. Sampling design or sampling method

c. Random

d. Probability

7 / 60

Dofile can be created from: ?

a. Epiinfo

b. Stata

c. Excel

d. Epidata

8 / 60

In case there are too many outliers in the data set, the most representative average value is?

a. Range

b. Mean

c. Median

d. Mode

9 / 60

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

a. Interviewing

b. Questionnaire

c. Observation

d. Documents

10 / 60

What information can be obtained from a cohort study?

a. The incidence of a disease

b. The prevalence of an exposure

c. The prevalence of a disease

d. The cause of a disease

11 / 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 75th percentile

d. Is the same as the 25th percentile

12 / 60

How many scale of variables measurement in statistical data:?

a. Three scales of measurement

b. Four scales of measurement

c. Five scales of measurement

d. Two scales of measurement

13 / 60

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

a. Information bias

b. Bias

c. Selection bias

d. Sampling error

14 / 60

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

a. Research design

b. Data at the field

c. Population

d. Sample

15 / 60

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

a. Continuous variables

b. Binary variables

c. Discrete variables

d. Qualitative variables

16 / 60

If a data set has an even number of observations, the median?

a. Cannot be determined

b. Is the average value of the two middle items

c. Must be equal to the mean

d. Is the average value of the two middle items when all items are arranged in ascending order

17 / 60

In collecting the data, the researcher must decide: ?

a. Who will report the data

b. Who will collect the data

c. Who will summary the data

d. Who will analyse the data

18 / 60

The cohort study is one type of:?

a. Observational study

b. Clinical trial

c. Experimental study

d. Interventional study

19 / 60

The aim in selecting a sample is:?

a. To get 95% accurate and reliable information

b. To get 100% accurate and reliable information

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

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

20 / 60

Non-participant observation is : ?

a. A researcher has interviewed a group

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

c. A researcher do not get involve in the activities of the group being observed

d. A researcher has audio recorder

21 / 60

The characteristics of unstructured interview data collection method is : ?

a. Take short time

b. Take long time

c. Pre-determined, rigid and closed structure questions

d. Evolutionary, flexible and open structure questions

22 / 60

Most research in the humanities revolves around the:?

a. 1 P

b. 4 Ps

c. 3 Ps

d. 2 Ps

23 / 60

The characteristics of structured interview data collection method is : ?

a. Evolutionary, flexible and open structure questions

b. Take short time

c. Pre-determined, rigid and closed structure questions

d. Take long time

24 / 60

Sampling frame is 😕

a. A list of study population

b. The total number of sample

c. The total number of population

d. The target population

25 / 60

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

a. More than this value

b. Less than this value

c. More than or equal to this value

d. Less than or equal to this value

26 / 60

A quantitative research ?

a. Using statistical methods

b. Using epidemiology method

c. Using qualitative method

d. Using only descriptive method

27 / 60

The mean is?

a. The middle most score

b. The statistical or arithmetic average

c. The most frequently occurring score

28 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. The structure interview

c. The semi-unstructure interview

d. Checking temperature of respondent

29 / 60

How many types of the interview data collection method in a research : ?

a. Four types

b. More than four types

c. Three types

d. Two types

30 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. Review record

c. The semi-unstructure interview

d. The structure interview

31 / 60

The disadvantage of selecting a sample is 😕

a. Random

b. Representative

c. Easy to collect data

d. Possibly of an error in the estimation

32 / 60

Independent variable in epidemiological study was also called:?

a. Exposure variable

b. Outcome variable

c. Response variable

d. Dependent variable

33 / 60

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

a. Sample

b. Data at the field

c. Hypothesis

d. Population

34 / 60

What is the step 2 of research studies:?

a. Dissect into subareas

b. Raise research questions

c. Identify the main subject area

d. Select subareas of interest to you

35 / 60

RECfile can be created from: ?

a. Epiinfo

b. Epidata

c. Stata

d. Excel

36 / 60

CHECKfile can be created from?

a. Epiinfo

b. Stata

c. Excel

d. Epidata

37 / 60

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

a. One P

b. Three Ps

c. Four Ps

d. Two Ps

38 / 60

The interquartile range is a measure of spread used most commonly:?

a. With the range

b. With the mean

c. With the median

d. With the mode

39 / 60

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

a. Mailed questionnaires

b. Participant-observations

c. Online questionnaires

d. Structured interview

40 / 60

Which of the following provides a meaning of research?

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

b. Inferential statistic

c. Study design

d. Epidemiological study

41 / 60

A parameter is a measure which is computed from?

a. Test statistics

b. Population data

c. Sample data

d. Raw data

42 / 60

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

a. People, problems, programmes, phenomenon

b. People, problems, programmes, power

c. People, problems, programmes, proportion

d. People, problems, programmes, percent

43 / 60

Logfile can be created from: ?

a. Excel

b. Epiinfo

c. Stata

d. Epidata

44 / 60

Which of the following is continuous variable?

a. Family size

b. Blood glucose

c. Age last birthday

d. Exact age

45 / 60

The advantage of close question is: ?

a. Easier to analyse

b. Only used in community

c. Only used in qualitative research

d. Only used in quantitative research

46 / 60

What makes people do a research?

a. To serve the society by solving social problems

b. To get more knowledge

c. To have fun

d. To study relationship

47 / 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 variation in the population

c. The size of the sample and non-random method

d. The size of the sample and total population

48 / 60

Cluster sampling is one type of:?

a. Convenient sampling

b. Probability sampling

c. Non-probability sampling

d. Quota sampling

49 / 60

If a population is heterogeneous:?

a. No need random

b. A small sample can provide reasonably good estimate

c. No need sampling

d. A larger sample can provide reasonably good estimate

50 / 60

The result of a quantitative research ?

a. Are phrases

b. Voice recording

c. Are paragraph

d. Are often presented in tables and graphs

51 / 60

If a data set has an even number of observations, the media?

a. Must be equal to the mean

b. Cannot be determined

c. Is the average value of the two middle items when all items are arranged in ascending order

d. Is the average value of the two middle items

52 / 60

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

a. Confounding

b. Information bias

c. Interviewer bias

d. Lack of opportunity to clarify issues

53 / 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. Alphanumeric

b. Nominal

c. Ordinal

d. Numerical

54 / 60

Characteristic of qualitative research is ?

a. Based on the measurement of quantity or amount

b. Using only descriptive method

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

d. Using statistical method

55 / 60

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

a. Data at the field

b. Population

c. Variables

d. Sample

56 / 60

In collecting the data, the researcher must decide: ?

a. Which data to report

b. Which data to analyse

c. Which data to collects

57 / 60

The 75th percentile is referred to as the?

a. Third quartile

b. Second quartile

c. First quartile

58 / 60

Which of the following is a measure of dispersion?

a. Interquartile range

b. Quartiles

c. Percentiles

d. Standard error

59 / 60

If a researcher collect data from primary 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

60 / 60

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

a. Always greater than zero

b. Always less than zero

c. Always equal to zero

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

Your score is

The average score is 74%

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Conception Et Méthodologie De La Recherche Test

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត