## Research Methodology and Bio-stat MCQs for entrance examination of Master of Public Health, MPHN & MHP &E

**Research Methodology and Bio-stat**

- An abstract of the journal article doesn’t contain
- Methodologies
- Result
- Objectives
- Ethical consideration

- Community based participatory researches (CBPR) use
- Emic perspective
- Etic perspective
- Technical perspective
- Both b and c

- Usually conventional researches base on
- Deduction
- Induction
- Relationalism
- None of the above

- Observation checklist is the ……………. of data collection
- Tool
- Method
- Manual
- Guideline

- Qualitative data is not generated by
- Focus group discussion
- Observation
- Questionnaire
- Interviews

- The selection of groups of study units instead of selection of study units is called
- Stratified sampling
- Cluster sampling
- Systematic sampling
- Multistage sampling

- In pilot phase of research, which of the technique is economical and easy for data collection?
- participant observation
- rapid appraisal
- survey
- both a and c

- The variables that are used to describe or measure the factors that are assumed to canuse or at least influence the problem are called
- independent variables
- dependent variables
- confounding variable
- none of the above

- Validity of research findings denote:
- Consistency
- Relativity
- Accuracy
- Reliability

- If observed changes in a group are due to the fact that it is being studied rather than due to experimentation, the effect is termed as
- Placebo effect
- Confounding
- Withdrawal effect
- Hawthorne effect

- Which of the following is not the ethical principle for health and bio-medical researches?
- Beneficence
- Justice
- Informed consent
- Reliability

- Random error or bias in research is due to
- sampling reliability
- random fluctuation
- response error
- both a and b

- Data processing does not involve
- categorizing data
- coding
- analyzing
- summarizing

- A variable that is associated with problem as well as with a possible cause of the problem is
- causative variable
- confounding variable
- dependent variable
- independent variable

- Focus group discussion is the group discussion of ……persons.
- 6-12
- 3-5
- 10-14
- none of above

- The research for measuring the efficacy of vaccine is:
- basic research
- applied research
- conductive research
- action research

- The common characteristic that both experimental and quasi-experimental sudy should possess is
- Manipulation
- control groups
- randomization
- None

- Married-unmarried, child-adult, male- female is
- ordinal scale
- interval scale
- ratio scale
- nominal scale

- Temperature is ……scale
- ordinal scale
- interval scale
- ratio scale
- nominal scale

- Weight, height, length is
- ordinal scale
- interval scale
- ratio scale
- nominal scale

- If null hypothesis is rejected even if it is true is
- type I error
- type II error
- β error
- µ error

- Accepting null hypothesis when it is false is
- type I error
- type II error
- α error
- µ error

- Binomial distribution is
- discrete distribution
- continuous distribution
- individual distribution
- poisson distribution

- Law of improbable events is
- discrete distribution
- continuous distribution
- individual distribution
- poisson distribution

- Bingo is
- simple random sampling
- systematic sampling
- cluster sampling
- stratified random sampling

- Sampling error can be attributed to following except
- sampling procedure
- research design
- sample design
- recording

- If sample size is increased then sampling error
- Reduces
- Increases
- no change
- reduces non-sampling error

- Which of the following does not have sampling error
- sample population
- census
- stratified sampling
- systematic random sampling

- When variable are not measurable which of the following is used to be represented?

- Nominal
- Ordinal
- Interval
- Ratio

- Which of the following is not a discrete variable?

- Skin color
- Blood pressure
- Weight
- Boys in the class

- Which of the following type of the diagrams can be used to find out the relationship between two variables?

- Pictogram
- Bar diagram
- Histogram
- Scatter diagram

- A pectoral diagram of frequency distribution is denoted by?

- Line chart
- Bar chart
- Histogram
- Pie chart

- Low birth weight LBW statistics of a hospital is best shown by:

- Bar chart
- Histogram
- Frequency polygon
- Pie chart

- 30 babies were born in hospital, 10 were less than 2.5 kg and 20 were greater than 2.5 kg the average is

- Arithmetic mean
- Median
- Geometric mean
- Mode

- Median is almost equivalent to

- 25th percentile
- 50th percentile
- 75th percentile
- 10th percentile

- Mean of 400 variables is 100 and standard deviation is 8 what will be the error of deviation?

- 4
- 1
- 2
- 4

- Standard error is measure of

- Conceptual error
- sampling error
- Instrumental error
- Observer error

- If probability of being Rh negative is 1/10 then of being Rh positive will be

- 1/10
- 9/10
- ½
- 1

- Confidence limit can be calculated by using

- Mean and range
- Mean standard deviation
- Median and range deviation
- Median and standard

- For 95% confidence limit truth is

- Reduces 95% confidence of values
- 96 of standard error of mean
- 56 of standard error of mean
- 5% of standard error of mean

- The truth about normal distribution curve is all except

- Mean median and mode of all confidence
- Standard deviation is one
- Mean of the curve is hundred
- The total area of the curve is one

- Area between one standard deviation on either side of mean in normal distribution curve is:

- 60%
- 68%
- 95%
- 99%

- If the mean is 220 and the standard error is 10 the 95% confidence limits would be:

- 210-330
- 200-240
- 215-225
- 220±0.2

- Normal curve is

- Linear
- Symmetrical
- Curvilinear
- Parabolic

- Normal distribution curve depends upon

- Mean and sample
- Mean and median
- Mean and standard deviation
- Median and standard error

- Correlation coefficient tends to lie between

- 0 to +1
- -1 to 0
- -1 to +1
- -2 to +2

- Randomization is useful to eliminate

- Observer bias
- Patient bias
- Confounding bias
- sampling bias

- Height for weight of boys in a class room is:

- Association
- Index
- Proportion
- Correlation

- For a survey a village is divided into 5 lanes the each lane is sampled randomly it is an example of:

- Simple random sampling
- Stratified random sampling
- Systematic random sampling
- Multi phase random sampling

- Which is true of cluster sampling?

- Every Nth case is chosen for study
- Involves use of random numbers
- A natural group is taken as sampling unit
- Stratification of population is done

- Significant of P value is:

- 05
- 01
- 1
- 005

- Which of the following is unrelated to the chi square test of significance?

- Degree of freedom
- Life table
- Significance level
- Qualitative data

- The true regarding chi square test:

- Null hypothesis is equal
- Does not test the significance
- Tests correlation and regression
- Measures the significance of difference between two proportions

- The mean BP of a group of persons was determined and after an intervention trial the mean BP was estimated again the test to be applied to determine the significance of intervention is:

- Chi square test
- Paired test
- Correlation coefficient
- Z test

- The statistical analysis of two unrelated big data (n=200) is by:
- A paired t-test
- Chi-square test
- Z-test
- Unpaired test

- Imparts of a table Heading of column is known as:

- Caption
- Head note
- Stabs
- None of them

- Which one are two dimensional diagrams?

- Bar diagrams
- Cubes
- Circles
- None of them
- Vitiate value which repeats maximum number of times is known as:
- Mean
- Median
- Mode
- Average

- Which empirical relation is correct?

- Mode=3 median-2 mean
- Mode=2 mean -3 median
- Mean=3 median-2 mode
- Mean=2 mode -3 median

- Whenever a shopkeeper wants to stock the goods he sells he always looks to:

- mean
- Mode
- Median
- None of them

- ………………….is the absolute measure of dispersion:

- Standard deviation
- Mean deviation
- Range
- Quartile deviation

- When there is perfect positive correction between two variables then what is the value of r (Karl people’s correlation coefficient):

- 1
- -1
- Between 0 and 1

- Inferential statistics comprises:

- Estimation
- Hypothesis testing
- Correlation
- Both a and b

- Chi-square test was developed by:

- Karl persons
- Friedrich gauss
- Bernoulli
- Rank de

- Normal curve is:

- S shaped
- Parabolic
- Hyperbolic
- Bell shaped

- The level of significance α denotes:

- Probability of rejecting a true hypothesis
- Probability of accepting a true hypothesis
- Significance of result
- Confidence limit

- Variance is:

- Half of SD
- Square root of SD
- Square of SD
- Twice of SD
- Chi square test was developed by

- Karl Pearson
- Friedrich Garss
- Bernvolli
- Rank De
- Normal curve is

- S shaped
- Parabolic
- Hyperbolic
- Bell shaped

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