Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology (XH-C5)]: Questions 252 - 254 of 436

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Question 252

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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Question 253

Question MCQ▾

Which of the following is not a use of power analysis?

Choices

Choice (4)Response

a.

It is helpful to make comparison between different methods in statistics

b.

It is helpful to determine the minimum effect size in a study

c.

It can be used to calculate minimum sample size

d.

It can be used to calculate maximum sample size needed for a study

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Question 254

Question MCQ▾

Which of the following factors influence power analysis?

i. Statistical significance criterion

ii. Magnitude of the effect

iii. Sample size

Choices

Choice (4)Response

a.

ii and iii

b.

i and ii

c.

i, ii and iii

d.

i and iii

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