Conception Et Méthodologie De La Recherche Test

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1 / 60

The interquartile range represents the central portion of the distribution,?

a. From the 25th percentile to the 50th percentile

b. From the 25th percentile to the 100th percentile

c. From the 25th percentile to the 90th percentile

d. From the 25th percentile to the 75th percentile

2 / 60

The secondary data source was available from : ?

a. Published data

b. The observations

c. The questionnaires

d. The interviews

3 / 60

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

a. Continuous data

b. Discrete data

c. Qualitative data

d. Categorical data

4 / 60

The weight of patients in a hospital is:?

a. Ratio

b. Interval

c. Ordinal

d. Nominal

5 / 60

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

a. Absolute variables

b. Quantitative variables

c. Continuous variables

d. Discrete variable

6 / 60

What is the step 5 of research studies:?

a. Assess the objectives

b. Formulate objectives

c. Double-check

d. Make sure

7 / 60

The greater the sample size can get:?

a. The less accurate estimate

b. The more accurate estimate

c. Information bias

d. 100% accurate information

8 / 60

The secondary data source was available from 😕

a. The observations

b. The interviews

c. The questionnaires

d. Unpublished data

9 / 60

The secondary data source was available from : ?

a. Census report

b. The questionnaires

c. The interviewThe questionnaires

d. The observations

10 / 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. Epidemiological study

d. Study design

11 / 60

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

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

b. Must be equal to the mean

c. Cannot be determined

d. Is the average value of the two middle items

12 / 60

If a population is homogeneous:?

a. A small sample can provide reasonably good estimate

b. A large sample can provide reasonably good estimate

c. No need sampling

d. No need random

13 / 60

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

a. Possible response categories are not provided

b. Possible response categories are provided

c. Check list

d. Structure question

14 / 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

15 / 60

The result of a quantitative research is?

a. Nominal data

b. Words response

c. A number or a set of numbers

d. Ordinal data

16 / 60

RECfile can be created from: ?

a. Epidata

b. Stata

c. Epiinfo

d. Excel

17 / 60

A quantitative research ?

a. Using statistical methods

b. Using only descriptive method

c. Using qualitative method

d. Using epidemiology method

18 / 60

The median of a sample will always equal the?

a. 50th percentile

b. Mode

c. Mean

d. 75th percentil

19 / 60

Which of the following is a measure of dispersion?

a. Percentiles

b. Interquartile range

c. Quartiles

d. Standard error

20 / 60

Interviewing all members of a given population is called: ?

a. a research

b. a sample

c. a census

d. a survey

21 / 60

Characteristic of qualitative research is ?

a. Based on the measurement of quantity or amount

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

c. Using statistical method

d. Using only descriptive method

22 / 60

What is a research methodology?

a. Data collection

b. Data interpretatio

c. Data analysis

d. A science of studying how research is to be carried out

23 / 60

The mean is?

a. The most frequently occurring score

b. The statistical or arithmetic average

c. The middle most score

24 / 60

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

a. Data at the field

b. Research question

c. Population

d. Sample

25 / 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

26 / 60

Height of one patient is one type of:?

a. Quantitative variables

b. Categorical variables

c. Binary variables

d. Qualitative variables

27 / 60

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

a. Less than this value

b. More than or equal to this value

c. More than this value

d. Less than or equal to this value

28 / 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. Easy to apply

d. Same time and human and financial resources

29 / 60

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

a. Three numbers

b. Two numbers

c. Four numbers

d. A single number

30 / 60

The characteristics of structured interview data collection method is : ?

a. Evolutionary, flexible and open structure questions

b. Pre-determined, rigid and closed structure questions

c. Take short time

d. Take long time

31 / 60

The advantage of selecting a sample is 😕

a. Representative

b. Easy to collect data

c. Save human resources

d. Random

32 / 60

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

a. Non-probability sampling

b. Quota sampling

c. Probability sampling

d. Convenient sampling

33 / 60

What is the objective of a research?

a. To provide knowledge

b. To solve and understand scientific and nonscientific problems

c. To find outcome

d. To study hidden

34 / 60

The primary data source: ?

a. Involves data collection from documents

b. Are specifically for purpose of research

c. Involves data collection from the intervie

d. Involves data collection indirectly from the respondents

35 / 60

The advantage of selecting a sample is 😕

a. Save time

b. Random

c. Representative

d. Easy to collect data

36 / 60

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

a. Anonymity

b. Get 90% accurate and reliable information

c. Get 100% accurate and reliable information

d. Easy to apply

37 / 60

What makes people do a research?

a. To serve the society by solving social problems

b. To have fun

c. To get more knowledge

d. To study relationship

38 / 60

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

a. Non-random

b. Random

c. Sampling design or sampling method

d. Probability

39 / 60

The 90th percentile has:?

a. 90% of the observations at or below it

b. 95% of the observations at or below it

c. 99% of the observations at or below it

d. 100% of the observations at or below it

40 / 60

What is the main purpose of using Stata software for?

a. Data collection

b. Data summary

c. Data checking

d. Creating questionnaire

41 / 60

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

a. Probability sampling

b. Random sampling

c. Non random sampling

d. Stratified sampling

42 / 60

Chose the correct answer below : ?

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

b. Interview schedule is a method for collecting data

c. Interview schedule is time frame for collecting data

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

43 / 60

If a person weight is 60 kg, it was classified as:?

a. Continuous variables

b. Discrete variables

c. Binary variables

d. Qualitative variables

44 / 60

The binary variables is one type of:?

a. Discrete variables

b. Qualitative variables

c. Quantitative variables

d. Continuous variables

45 / 60

What is the main purpose of using Stata software for?

a. Data collection

b. Data checking

c. Data analysis

d. Creating questionnaire

46 / 60

Non-participant observation is : ?

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

b. A researcher has interviewed a group

c. A researcher has audio recorder

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

47 / 60

What information can be obtained from a cohort study?

a. The incidence of a disease

b. The cause of a disease

c. The prevalence of an exposure

d. The prevalence of a disease

48 / 60

In collecting the data, the researcher must decide: ?

a. Which data to analyse

b. Which data to report

c. Which data to collects

49 / 60

What is the main function of using Epidata software for?

a. Creating questionnaire

b. Data collection

c. Data analysis

d. Data checking

50 / 60

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

a. Observation

b. Documents

c. Interviewing

d. Questionnaire

51 / 60

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

a. Selection bias

b. Information bias

c. Sampling error

d. Bias

52 / 60

Mean Deviation, Variance and Standard Deviation of the values of 6,6,6,6,6,6 is ?

a. 6

b. 12

c. 18

d. 0

53 / 60

The range of a set of data is:?

a. The difference between its median and its mode

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

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

d. The difference between its mode and its median

54 / 60

The randomized control trial is one type of:?

a. Cross-sectional study

b. Observational study

c. Descriptive study

d. Interventional study

55 / 60

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

a. Ratio

b. Interval

c. Nominal

d. Ordinal

56 / 60

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

a. Qualitative

b. Discrete

c. Continuous

d. Quantitative

57 / 60

What is the main purpose of randomization?

a. To get equal chance of selection sample

b. To get 95% accurate and reliable information

c. To get 100% accurate and reliable information

d. To get 90% accurate and reliable information

58 / 60

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

a. Sample

b. Population

c. Variables

d. Data at the field

59 / 60

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

a. A questionnaire

b. A sampling frame

c. A respondent

d. A census

60 / 60

What is the main purpose of using Epidata software for?

a. Data entry

b. Data collection

c. Data analysis

d. Data checking

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Conception Et Méthodologie De La Recherche Test

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