CBSENET (Based on NTAUGC) Psychology (PaperII & PaperIII): Questions 4261  4264 of 4697
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A psychometrician wanted to develop a new test of Abstract Thinking. He prepared eighty items, presumably assessing abstract thinking. Each item had five alternatives answers, one of them being correct. The psychometrician carried out item analysis by using itemremainder correlations. Item analysis retained sixty items. To examine internal consistency among the items, interitem correlations were inspected. Then the splithalf reliability coefficient, Kuder  Richardson reliability coefficient, and Cronbach’s alpha coefficient were obtained for the sixty item test. The analysis yielded the Cronbach’s alpha coefficient of 0.90. Since the test was fairly long and the alpha coefficient was also quite high, an attempt was made to develop two short versions of equal length by randomly dividing the test items. The 60 item version was, then, correlated with the already established abstract reasoning test, using N = 500. The correlation between the new and an established test was 0.24, significant at. 01 level.
Question number: 4261 (3 of 5 Based on Passage) Show Passage
» Statistics & Research Methods » Inferential Statistics
Appeared in Year: 2015
Question
Which one of the following statement would be true in the above context? (December)
Choices
Choice (4)  Response  

a.  Kuder  Richardson reliability coefficient would also be. 90, the splithalf reliability coefficient may differ from. 90. 

b.  Splithalf reliability coefficient would also be. 90, but the Kuder  Richardson reliability coefficient may differ from. 90. 

c.  The correlation between odd and even parts of the test would be. 90. 

d.  Kuder  Richardson reliability coefficient and splithalf reliability coefficient would be. 90. 

Question number: 4262 (4 of 5 Based on Passage) Show Passage
» Statistics & Research Methods » Inferential Statistics
Appeared in Year: 2015
Question
What is the expected Cronbach alpha for the short versions, referred to in the paragraph? (December)
Choices
Choice (4)  Response  

a.  0.82 

b.  0.67 

c.  0.90 

d.  0.45 

Question number: 4263 (5 of 5 Based on Passage) Show Passage
» Statistics & Research Methods » Inferential Statistics
Appeared in Year: 2015
Question
In the above context, which one of the following correlation should be computed to obtain itemremainder correlations? (December)
Choices
Choice (4)  Response  

a.  Tetrachoric correlation 

b.  Phicoefficient 

c.  Rank difference correlation 

d.  Point biserial correlation 

Question number: 4264
» Memory » Factors Affecting Memorization
Appeared in Year: 2015
Question
Which of the following are not Mnemonic device? (December)
(a) Categorical clustering
(b) Pegword system
(c) Consolidation
(d) Rehearsal
Choices
Choice (4)  Response  

a.  b and c 

b.  a and c 

c.  a and b 

d.  c and d 
