Conception Et Méthodologie De La Recherche Test

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1 / 60

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

a. Interviewer bias

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

c. Confounding

d. Information bias

2 / 60

The cross-sectional study is one type of:?

a. Clinical trial

b. Interventional study

c. Observational study

d. Experimental study

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

d. Must be equal to the mean

4 / 60

Which one is the observation method of data collection : ?

a. The unstructure interview

b. The semi-unstructure interview

c. The structure interview

d. Weighing

5 / 60

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

a. Non-random

b. Probability

c. Sampling design or sampling method

d. Random

6 / 60

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

a. The respondents changes their behavior

b. The interview bias

c. The selection bias

d. The information bias

7 / 60

The mean is?

a. The most frequently occurring score

b. The middle most score

c. The statistical or arithmetic average

8 / 60

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

a. Mean

b. Median

c. Mode

d. Range

9 / 60

The median is a measure of?

a. Relative dispersion

b. Central location

c. Relative location

d. Absolute dispersion

10 / 60

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

a. Discrete data

b. Categorical data

c. Qualitative data

d. Continuous data

11 / 60

The secondary data source was available from : ?

a. The questionnaires

b. Published data

c. The interviews

d. The observations

12 / 60

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

a. Structured interview

b. Online questionnaires

c. Mailed questionnaires

d. Unstructured interviews

13 / 60

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

a. Absolute variables

b. Continuous variables

c. Discrete variable

d. Quantitative variables

14 / 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 11th value in the ordered series

c. The 10th value in the ordered series

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

15 / 60

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

a. In-depth interviewing

b. Online questionnaires

c. Structured interview

d. Mailed questionnaires

16 / 60

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

a. Stratified sampling

b. Random sampling

c. Probability sampling

d. Non random sampling

17 / 60

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

a. Qualitative variable

b. Continuous variable

c. Discrete variable

d. Constant

18 / 60

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

a. Observation

b. Structure interviewing

c. Unstructure interviewing

d. Semi-structure interviewing

19 / 60

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

a. Probability sampling

b. Non-probability sampling

c. Convenient sampling

d. Quota sampling

20 / 60

Which one is the observation method of data collection : ?

a. Microscopic examination

b. The structure interview

c. The unstructure interview

d. The semi-unstructure interview

21 / 60

The primary source data can get from 😕

a. Unpublished data

b. Questionnaires

c. Published data

d. Documents

22 / 60

The primary source data can get from : ?

a. Observation

b. Documents

c. Unpublished data

d. Published data

23 / 60

The extension dtafile is the format of dataset in?

a. Stata

b. Epiinfo

c. Epidata

d. Excel

24 / 60

The advantage of close question is: ?

a. Only used in quantitative research

b. Only used in qualitative research

c. Easier to analyse

d. Only used in community

25 / 60

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

a. The expense

b. Informants can refuse to participate

c. Human judgement error

d. The results are never representative

26 / 60

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

a. Research design

b. Sample

c. Data at the field

d. Population

27 / 60

The case-control study is one type of:?

a. Clinical trial

b. Experimental study

c. Interventional study

d. Observational study

28 / 60

Logfile can be created from: ?

a. Excel

b. Stata

c. Epiinfo

d. Epidata

29 / 60

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

a. Interquartile range

b. Standard deviation

c. Range

d. Variance

30 / 60

The advantage of selecting a sample is 😕

a. Representative

b. Random

c. Easy to collect data

d. Save money

31 / 60

The application of statistical methods in biology is called ?

a. Descriptive statistics

b. Biostatistics

c. Statistics in vivo

d. Statistics in biology

32 / 60

What is the objective of a research?

a. To study hidden

b. To solve and understand scientific and nonscientific problems

c. To find outcome

d. To provide knowledge

33 / 60

RECfile can be created from: ?

a. Epidata

b. Epiinfo

c. Excel

d. Stata

34 / 60

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

a. Positive or negative of the respondents’ behavior

b. The interview bias

c. The selection bias

d. The information bias

35 / 60

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

a. Variance

b. Median

c. Mode

d. Mean

36 / 60

What is the purpose of doing research?

a. To identify problem and find the solution

b. To collect data

c. To analyse data

d. To find the relationship

37 / 60

What is the questionnaire : ?

a. Written list of questions

b. A closed question

c. A question to ask respondents

d. A open-ended question

38 / 60

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

a. Get 90% accurate and reliable information

b. Easy to apply

c. Get 100% accurate and reliable information

d. Same time and human and financial resources

39 / 60

The cut-off for the third quartile is:?

a. The 75th percentile

b. The 50th percentile

c. The 90th percentile

d. The 25th percentile

40 / 60

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

a. Hypothesis

b. Population

c. Data at the field

d. Sample

41 / 60

Cluster sampling is one type of:?

a. Probability sampling

b. Quota sampling

c. Non-probability sampling

d. Convenient sampling

42 / 60

Height of one patient is one type of:?

a. Categorical variables

b. Quantitative variables

c. Binary variables

d. Qualitative variables

43 / 60

The categorical variables is one type of:?

a. Continuous variables

b. Discrete variables

c. Quantitative variables

d. Qualitative variables

44 / 60

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

a. Sampling

b. Non-random

c. Sample

d. Random

45 / 60

Which of the following provides a meaning of research?

a. Inferential statistic

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

c. Study design

d. Epidemiological study

46 / 60

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

a. Less than or equal to this value

b. More than this value

c. Less than this value

d. More than or equal to this value

47 / 60

Chose the correct answer below : ?

a. Interview schedule is time frame for collecting data

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

c. Interview schedule is a method for collecting data

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

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

d. A measure of the eccentricity of the series

49 / 60

The disadvantage of selecting a sample is 😕

a. Possibly of an error in the estimation

b. Representative

c. Random

d. Easy to collect data

50 / 60

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

a. The interview bias

b. The selection bias

c. The information bias

d. Increase or decrease of the respondents’ behavior

51 / 60

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

a. Median

b. Percentiles

c. Quartiles

d. Deciles

52 / 60

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

a. Arithmetic mean

b. Median

c. Geometric mean

d. Mode

53 / 60

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

a. Flexible question

b. Possible response categories are not provided

c. Unstructure question

d. Possible response categories are provided

54 / 60

In collecting the data, the researcher must decide: ?

a. How to summary the data

b. How to report the data

c. How to analyse the data

d. How to collects the data

55 / 60

Based on Burn (1997:329), the interview is : ?

a. A verbal interchange, often face to face, an interviewer tries to elicit information, beliefs of opinions from another person

b. The mailed questionnaire

c. The online questionnaire

d. The collective questionnaire

56 / 60

Statistic is a numerical quantity, which is calculated from:?

a. Observation

b. Data

c. Sample

d. Population

57 / 60

What information can be obtained from a cross-sectional study??

a. The Effect of an exposure on disease

b. The incidence of a disease

c. The rate of a disease

d. The prevalence of a disease

58 / 60

The secondary data source: ?

a. Involves data collection for various purposes

b. Involves data collection indirectly from the respondents

c. Involves data collection directly from the respondents

d. Involves data collection from the interview

59 / 60

The discrete variable is one type of:?

a. Categorical variables

b. Binary variables

c. Qualitative variables

d. Quantitative variables

60 / 60

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

a. Observer bias

b. The information bias

c. The selection bias

d. The interview bias

Your score is

The average score is 78%

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Conception Et Méthodologie De La Recherche Test

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