# NTA-NET (Based on NTA-UGC) Psychology (Paper-II): Questions 5138 - 5141 of 6630

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### Passage

Instructions for questions below: Read the following paragraph and answer the five questions which follow:

An educational psychologist wanted to develop an achievement test in physics for graduate students. After going through the usual test construction procedure, he retained 100 items; each item having five alternatives, one of them being correct. The psychologist wanted to examine the factor structure of the resulting achievement test. Using a sample of 1,000 subjects, the psychologist obtained the inter-item correlations. He obtained the initial estimates of communality and then decided to factor analyze the inter-item correlations matrix by following the common-factor model. He extracted the unrotated factors and retained the first nine factors for rotation. The nine unrotated factors explained 67.5 percent of variance. After factor rotation, all the inter-factor correlations were found to be zero. The factor structure of the achievement test of physics was found to be interpretable.

## Question 5138 (3 of 5 Based on Passage)

### Question

MCQ▾

The inter-item correlations would be:

### Choices

Choice (4)Response

a.

Biserial correlations

b.

Kendall՚s tau

c.

Point-biserial correlations

d.

Phi-coefficients

## Question 5139 (4 of 5 Based on Passage)

### Question

Assertion-Reason▾

### Assertion(Ꭺ)

For the factor analysis of item scores, Common-Factor model is quite often more suitable.

### Reason(Ꭱ)

Item scores are quite often less reliable than the psychometrically measured trait variables.

### Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

## Question 5140

### Question

Assertion-Reason▾

### Assertion(Ꭺ)

For extraversion monozygotic twins correlated more than the dizygotic twins.

### Reason(Ꭱ)

Extraversion has genetic basis.

### Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

## Question 5141

### Question

Assertion-Reason▾

### Assertion(Ꭺ)

Jensen has put forward Regression argument in favour of his theory.

### Reason(Ꭱ)

Children of parents having very high intelligence levels will have below average intelligence scores.

### Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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