Research-aptitude questions set 42

By | January 18, 2017

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Research aptitude

Question 1
The most frequently occurring number in a set of values is called the ........
A
Mean
B
Median
C
Mode
D
Range
Question 2
As a general rule, the ........ is the best measure of central tendency because it is more precise
A
Mean
B
Median
C
Mode
D
Range
Question 3
Focusing on describing or explaining data versus going beyond immediate data and making inferences is the difference between ........
A
Central tendency and common tendency
B
Mutually exclusive and mutually exhaustive properties
C
Descriptive and inferential
D
Positive skew and negative skew
Question 4
All of the following are unethical issues, EXCEPT;
A
Invoicing irregularities
B
Avoiding legal liability
C
Misrepresenting results
D
Seeking permission for entry
Question 5
The use of several measures of a construct is called
A
Multiple Operationalism
B
Multiple construct measurement
C
Operationalism
D
Methods triangulation
Question 6
A physical or mental change that occurs in participants over time that affects their performance on the dependent variable is called .... .... .... .... .
A
Instrumentation
B
Maturation
C
Regression
D
None of above
Question 7
Graphically, mode can be estimated from
A
Ogive.
B
Hysterogram.
C
Histogram.
D
Bar diagram.
Question 8
Which of the following measures of central tendency cannot be represented graphically?
A
Arithmetic mean
B
Mode
C
Median
D
Quartile
Question 9
Given the N values in a series, the geometric mean is
A
The square root of the product of N.
B
The third root of the product of N values.
C
The fourth root of the product of N values.
D
The Nth root of the product of N values.
Question 10
Harmonic mean of a series of data is
A
The reciprocal of the arithmetic average of the reciprocals of the values of its various items.
B
The reciprocal of the arithmetic average of the values of various items.
C
Always ill-defined.
D
None of above
Question 11
Which of the measures given here are based on every item of the series?
A
Range
B
Standard deviation
C
Quartile deviation
D
All of the above .
Question 12
Which of the measures of dispersion is more useful in case of open-end distributions?
A
Range
B
Average deviation
C
Standard deviation
D
Quartile deviation.
Question 13
Standard deviation is always computed from
A
Mean.
B
Mode.
C
Median.
D
GM.
Question 14
Which of the following measures is least affected by extreme items?
A
Quartile deviation.
B
Range
C
Standard deviation
D
Mean deviation.
Question 15
Which of the following is a computed measure of absolute variation?
A
Range
B
Standard deviation
C
Quartile deviation
D
All of the above .
Question 16
Attrition generally occurs in research where .... .... .
A
You do demographic research
B
The study fails
C
Some participants do not complete the study
D
The study is very brief
Question 17
Which of the following is the difference between measures and indicators?
A
Measures are unambiguous quantities, whereas indicators are devised from common sense understandings.
B
Indicators have a more direct relationship to the underlying concept than measures.
C
Measures are intuitively devised and then applied as if they were direct indicators of a concept.
D
Indicators are unambiguous quantities, whereas measures are subjective and value-laden.
Question 18
The extent to which a test provides scores that are meaningful, appropriate, or useful is referred to as;
A
Reliability
B
Accuracy
C
Internal validity
D
Validity
Question 19
Which of the following functions is performed by the Ordinal scale?
A
Categorize
B
Distance
C
Order
D
Unique origin
Question 20
What is the difference between interval/ratio and ordinal variables?
A
Ordinal data can be rank ordered, but interval/ratio data cannot.
B
The distance between categories is equal across the range of interval/ration data
C
Interval/ratio variables contain only two categories.
D
Ordinal variables have a fixed zero point, whereas interval/ratio variables do not.
Question 21
Which of the following statement refers to cross-sectional design?
A
A comparison of two or more variables over a long period of time
B
The collection of data from more than one case at one moment in time
C
One that is devised when the researcher is in a bad mood
D
A study of one particular section of society, e.g. the middle classes
Question 22
Why are variance and standard deviation the most popular measures of variability?
A
They are the most stable and are foundations for more advanced statistical analysis
B
They are the most simple to calculate with large data sets
C
They provide nominally scaled data
D
None of the above
Question 23
........ is the set of procedures used to explain or predict the values of a dependent variable based on the values of one or more independent variables.
A
Regression analysis
B
Regression coefficient
C
Regression equation
D
Regression line
Question 24
The ........ is the value you calculate when you want the arithmetic average
A
Mean
B
Median
C
Mode
D
All of the above
Question 25
........ are used when you want to visually examine the relationship between two quantitative variables.
A
Bar graphs
B
Pie graphs
C
Line graphs
D
Scatter plots
There are 25 questions to complete.
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