Statistics & Research Methods-Factor Analysis (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 17 - 19 of 22

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Question number: 17

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

MCQ▾

Question

A study employed two groups, matched on intelligence, each group with 30 subjects. Each subject was required to learn a list of CVC trigrams and the number of trials required to learn the list was the dependent variable. What would be the degrees of freedom if a suitable t test is used to evaluate the mean difference? (December)

Choices

Choice (4) Response

a.

60

b.

58

c.

30

d.

29

Question number: 18

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

MCQ▾

Question

The 30 X 30 correlation matrix, representing the correlation among the thirty facet of the NEO-PI-3 were factor analyzed by three methods: (December)

1. Principal components method

2. Maximum likelihood method

3. Principal axes method and the five factors were extracted in each case.

Usually the variance explained by the factor solution would be in the following ascending order.

Choices

Choice (4) Response

a.

3, 2, 1

b.

1, 3, 2

c.

2, 1, 3

d.

2, 3, 1

Question number: 19

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2015

MCQ▾

Question

Which of the following statements are true about the principle components analysis? (June)

(a) Unities (values of 1) are retained in the diagonal spaces of the correlation matrix.

(b) The first principal component explains maximum variance.

(c) Principle components analysis follows common factor model.

(d) Principal components analysis yields oblique unrotated factors.

Choices

Choice (4) Response

a.

a and b

b.

a and d

c.

b and c

d.

a, b and d

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