Statistics & Research Methods (CBSENET (UGC) Psychology (PaperII & PaperIII)): Questions 114  120 of 167
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Question number: 114
» Statistics & Research Methods » Measures of Central Tendency
Question
A measure of ________ is simply a number describing a “middle score” around which other score falls.
Choices
Choice (4)  Response  

a.  Variability 

b.  Central tendency 

c.  Frequency 

d.  All of the above 

Question number: 115
» Statistics & Research Methods » Inferential Statistics
Question
The simplest way of visualizing a correlation is to construct a ________.
Choices
Choice (4)  Response  

a.  Diagram 

b.  Scatter diagram 

c.  Graph 

d.  All of the above 

Question number: 116
» Statistics & Research Methods » Basic Descriptive Statistics
Question
An alternate way of graphing scores is the more familiar ________.
Choices
Choice (4)  Response  

a.  Graphical 

b.  Frequency histogram 

c.  Frequency polygon 

d.  All of the above 

Question number: 117
» Statistics & Research Methods » Factor Analysis
Question
Which is most useful in determining whether different items on a test are measuring the same thing?
Choices
Choice (4)  Response  

a.  Covalidation. 

b.  Test tryout. 

c.  Crossvalidation. 

d.  Factor analysis. 

Question number: 118
» Statistics & Research Methods » Inferential Statistics
Question
The most commonly used correlation coefficient is called ________.
Choices
Choice (4)  Response  

a.  Pearson coefficient 

b.  Correlation 

c.  Rank correlation coefficient 

d.  All of the above 

Question number: 119
» Statistics & Research Methods » Measures of Central Tendency
Question
________ is found by arranging scores from the highest to the lowest and selecting the score that falls in the middle.
Choices
Choice (4)  Response  

a.  Average 

b.  Median 

c.  Mean 

d.  Mode 

Question number: 120
» Statistics & Research Methods » Measures of Variation
Question
The most widely used measure of correlation is
Choices
Choice (4)  Response  

a.  the Pearson r. 

b.  Spearman’s rho. 

c.  the rankdifference correlation coefficient. 

d.  the SpearmanBrown prophecy formula. 
