Statistics & Research MethodsInferential Statistics (CBSENET (Based on NTAUGC) Psychology (PaperII & PaperIII)): Questions 47  52 of 72
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Question number: 47
» 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.  Question does not provide sufficient data or is vague 

Question number: 48
» Statistics & Research Methods » Inferential Statistics
Question
A relationship in correlation coefficient that does not form a straight line when it is graphed is described as ________.
Choices
Choice (4)  Response  

a.  Positive relationship 

b.  Linear relationship 

c.  Negative relationship 

d.  Curvilinear relationship 

Question number: 49
» 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: 50
» 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: 51
» 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: 52
» Statistics & Research Methods » Inferential Statistics
Question
Identical twins are likely to have almost identical IQs. In contrast, parents and their children have IQs that are only generally similar. The correlation between IQs of parents and children is. 35; that between identical twins is ________.
Choices
Choice (4)  Response  

a.  0.35 

b.  0.70 

c.  0.85 

d.  0.86 
