Statistics & Research Methods (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 142 - 145 of 172

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Question number: 142

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match List – I with List – II. Select the correct answer using the codes given below: (June)
List-Ⅰ (Types Of Design) List-Ⅱ (Description)

(A)

Randomized block design

(i)

Analyses the data for matched groups

(B)

Factorial design

(ii)

Each subject participates under all experimental conditions.

(C)

Single – factor repeated

(iii)

Suitable for studying the interactions measures design among the independent variables

(D)

Design with a covariate

(iv)

Employs statistical control

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (ii)
  • (i)
  • (iv)
  • (iii)

d.

  • (i)
  • (iii)
  • (ii)
  • (iv)

Question number: 143

» Statistics & Research Methods » ANOVA or F Test

Appeared in Year: 2015

MCQ▾

Question

Which one of the following is considered as a non-parametric alternative to one-way ANOVA for independent samples? (December)

Choices

Choice (4) Response

a.

Kruskal - Wallis H test

b.

Mann- Whitney U test

c.

Kolmogorov - Smirnov test

d.

Friedman’s ANOVA

Passage

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 item-remainder correlations. Item analysis retained sixty items. To examine internal consistency among the items, inter-item correlations were inspected. Then the split-half 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: 144 (1 of 5 Based on Passage) Show Passage

» Statistics & Research Methods » Inferential Statistics

Appeared in Year: 2015

MCQ▾

Question

To obtain inter-item correlations, which one of the following correlation coefficient should be used in the above analysis? (December)

Choices

Choice (4) Response

a.

Biserial correlation

b.

phi-coefficient

c.

Point biserial correlation

d.

Rank difference correlation

Question number: 145 (2 of 5 Based on Passage) Show Passage

» Statistics & Research Methods » Inferential Statistics

Appeared in Year: 2015

MCQ▾

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

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