Statistics & Research Methods (CBSENET (Based on NTAUGC) Psychology (PaperII)): Questions 109  113 of 184
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Question number: 109
» Statistics & Research Methods » Measures of Central Tendency
Question
Measures of ________ provide single number that tells how “spread out” scores are.
Choices
Choice (4)  Response  

a.  Central tendency and variability 

b.  Central tendency 

c.  Variability 

d.  Question does not provide sufficient data or is vague 

Question number: 110
» Statistics & Research Methods » Inferential Statistics
Question
If the correlation value is 1.00, a ________.
Choices
Choice (4)  Response  

a.  Negative relationship exists 

b.  Perfect positive relationship exists 

c.  Perfect negative relationship exists 

d.  Positive relationship exists 

Question number: 111
» Statistics & Research Methods » Factor Analysis
Question
The statistical technique of ________ determines the degree of correlation between performances on various tasks to determine the extent to which they reflect particular underlying characteristics.
Choices
Choice (4)  Response  

a.  intelligence testing 

b.  predictive validity 

c.  intelligent quotient 

d.  factor analysis 

Question number: 112
» Statistics & Research Methods » Measures of Variation
Question
If one finds a positive correlation between degree of coffee drinking and the likelihood of heart attacks. One can conclude that:
Choices
Choice (4)  Response  

a.  Coffee drinking causes heart attack 

b.  Individuals prone to heart attacks are predisposed to drink a lot of coffee 

c.  An active life style of certain people causes heart attack 

d.  All of the above 

Question number: 113
» Statistics & Research Methods » Regression Analysis
Appeared in Year: 2013
Question
The standardized regression coefficient () in bivariate regression indicates (December)
Choices
Choice (4)  Response  

a.  Change in Z  scores of Y when X scores change by 1 SD 

b.  Change in Y scores when X scores change by 1 

c.  Change in Z  scores of Y when X scores change by 1 

d.  Change in Y scores when X scores change by one SD 
