Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 31 - 34 of 320

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The Wechsler Adult Intelligence Scale (WAIS) was administered to a sample of 300 subjects. The intercorrelations among all the subscales were obtained. Unities were retained in the diagonal spaces of the correlation matrix and it was factor analyzed. Cattell՚s scree indicated two-factor solution. The two factors were subject to varimax rotation. The two rotated factors were named as Verbal Intelligence and Performance Intelligence. The two factors, together, explained 62 percent of variance. (December)

Question 31 (3 of 5 Based on Passage)

Research Methods and Statistics
Assumptions

Appeared in Year: 2013 (UGC)

Question

MCQ▾

In this research, the factor analysis has

Choices

Choice (4)Response

a.

Established the predictive validity of the WAIS

b.

Provided evidence in favor of Spearman՚s two factor model

c.

Explored the dimensionality of the WAIS subscales

d.

Demonstrated that all the WAIS subscales are highly internally consistent

Question 32 (4 of 5 Based on Passage)

Research Methods and Statistics
Assumptions

Appeared in Year: 2013 (UGC)

Question

MCQ▾

The inter-factor correlation between the two rotated factors obtained in this analysis will be

Choices

Choice (4)Response

a.

Zero

b.

Zero or greater than zero

c.

Smaller than zero

d.

Greater than zero

Question 33 (5 of 5 Based on Passage)

Research Methods and Statistics
Assumptions

Appeared in Year: 2013 (UGC)

Question

MCQ▾

Cattell՚s scree is a

Choices

Choice (4)Response

a.

Plot displaying variables using the first two factors as axes

b.

Plot of the order of unrotated factors on X axis and eigenvalues on the Y axis

c.

Plot of the order of unrotated factors on X axis and communalities on the Y axis

d.

Eigenvalues on X axis and communalities on Y axis

Question 34

Research Methods and Statistics
Measures of Central Tendency and Dispersion

Question

MCQ▾

________ statistics, summarizes or “boils down” numbers so they become more meaningful and easier to communicate to others.

Choices

Choice (4)Response

a.

Descriptive

b.

Inferential

c.

None of the above

d.

Question does not provide sufficient data or is vague

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