Statistics & Research Methods (CBSENET (Based on NTAUGC) Psychology (PaperII & PaperIII)): Questions 47  51 of 184
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Question number: 47
» Statistics & Research Methods » Inferential Statistics
Question
Which among the following coefficients of a correlation demonstrates the weakest relationship between two variables?
Choices
Choice (5)  Response  

a.  1.00 

b.  1.00 

c.  0.08 

d.  0.28 

e.  0.51 

Question number: 48
» Statistics & Research Methods » Skewness
Question
Resulting data from a test of academic knowledge are positively skewed. This suggests that
Choices
Choice (4)  Response  

a.  the test was too easy. 

b.  the test was too difficult. 

c.  some students benefited from a “halo effect”. 

d.  an unbiased estimate must be calculated. 

Question number: 49
» Statistics & Research Methods » Measures of Central Tendency
Question
Which of the following is the formula of ‘Mean’.
Choices
Choice (4)  Response  

a.  X/N and Sum of all scores (X) /number of scores 

b.  Sum of all scores (X) /number of scores 

c.  X/N 

d.  Question does not provide sufficient data or is vague 

Question number: 50
» Statistics & Research Methods » Application of Statistics in Psychology
Question
From which type of test administered to members of the general population would you LEAST expect the resulting data to be distributed normally?
Choices
Choice (4)  Response  

a.  A test to measure knowledge of psychometric principles. 

b.  A test to measure selfesteem. 

c.  A test to measure the strength of one’s hand grip. 

d.  A test to measure general intelligence and fund of knowledge. 

Question number: 51
» Statistics & Research Methods » Inferential Statistics
Appeared in Year: 2013
Question
In a single group pretest post test design, which one of the statistical method can be best employed to evaluate the mean difference of pre and post tests? (December)
Choices
Choice (4)  Response  

a.  Mann Whitney U test 

b.  Chisquare 

c.  Repeated measures ANOVA 

d.  Randomized ANOVA 
