Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 210 - 211 of 320

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Question 210

Research Methods and Statistics
Point Biserial

Question

Assertion-Reason▾

Assertion(Ꭺ)

Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R) . Indicate your answer using the code given below:

A point-biserial correlation is used to measure the strength and direction of the association that exists between one continuous variable and one dichotomous variable.

Reason(Ꭱ)

variables are measured only on continuous scale

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

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

Question 211

Research Methods and Statistics
Biserial

Question

Assertion-Reason▾

Assertion(Ꭺ)

Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R) . Indicate your answer using the code given below:

Biserial correlations are computed under the assumption that a continuous and normally distributed latent variable underlies the item response.

Reason(Ꭱ)

Biserial correlation can be calculated by applying the formula

Choices

Choice (4)Response

a.

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

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

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

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