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 |
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 |
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 |