Statistics & Research Methods (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 91 - 96 of 165

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Question number: 91

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

MCQ▾

Question

What would be the degrees of freedom for the second-order interaction effect in a 3 x 3 x 2 factorial design? (December)

Choices

Choice (4) Response

a.

18

b.

2

c.

9

d.

4

Question number: 92

» Statistics & Research Methods » Measures of Variation

MCQ▾

Question

Which is NOT a type of standard score?

Choices

Choice (4) Response

a.

A T score.

b.

A deviation IQ.

c.

A stanine.

d.

A J score.

Passage

A researcher wanted to study the effect of a specific drug on the activity of rats. He suspected if the effect of the drug is moderated by temperature. He varied drug dosage (A) at three levels-no drug (placebo), low drug dosage (5 mg/kg body-weight) and high drug dosage (10 mg/kg bodyweight). He varied temperature (B) at two levels – 25 degree Celsius and 39 degree Celsius. Fifteen rats were randomly assigned to each of the six groups. The activity scores for each rate were obtained through activity wheel. The cell means and standard deviations for activity scores were obtained for the six cells. All the cells had comparable standard deviations. A suitable analysis of variance was carried out using the activity scores as the dependent variable. One of the interesting finding in this research was that the F ratio defined as ‘MSA B/MSE’ was statistically significant at. 01 level.

(June 2014)

Question number: 93 (1 of 4 Based on Passage) Show Passage

» Statistics & Research Methods » ANOVA or F Test

Appeared in Year: 2014

MCQ▾

Question

What would be the degrees of freedom for error variance?

(June)

Choices

Choice (4) Response

a.

90

b.

89

c.

84

d.

83

Question number: 94 (2 of 4 Based on Passage) Show Passage

» Statistics & Research Methods » ANOVA or F Test

MCQ▾

Question

What would be the degrees of freedom for the interaction term?

Choices

Choice (4) Response

a.

2

b.

3

c.

5

d.

6

Question number: 95 (3 of 4 Based on Passage) Show Passage

» Statistics & Research Methods » ANOVA or F Test

MCQ▾

Question

Since the F ratio, defined as ‘MSA B/MSE’, is significant, it would be desirable to carry out

Choices

Choice (4) Response

a.

post-hoc comparisons for the three levels of A

b.

compute 3 2 multivariate ANOVA

c.

post-hoc comparison for the two levels of B.

d.

simple effects analysis

Question number: 96 (4 of 4 Based on Passage) Show Passage

» Statistics & Research Methods » ANOVA or F Test

MCQ▾

Question

From the significant F ratio, ‘MSA B/MSE’, it can be inferred that

Choices

Choice (4) Response

a.

the main effect of drug dosage is significant

b.

the main effect of temperature is significant

c.

the effect of drug dosage is moderated by temperature

d.

the main effect of drug dosage, the main effect of temperature, and the interaction effect of the two, all are significant.

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