Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 283 - 284 of 320

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Question 283

Research Methods and Statistics
ANOVA [One-Way, Factorial]

Appeared in Year: 2021

Question

MCQ▾

In a one-way analysis of variance following statements is true: (marks 1)

Choices

Choice (4)Response

a.

If there is no treatment effect, F value will be close to 1 in most samples

b.

Total sum of squares (Within sum of squares Between sum of squares)

c.

F ratio is defined as ratio of between group variance and within group variance

d.

All a., c. and b. are correct

Question 284

Research Methods and Statistics
Assumptions

Appeared in Year: 2021

Question

MCQ▾

A study is conducted to see the effectiveness of volume levels of commercials. In the graph given below, values of mean effectiveness (dependent variable) are presented on the Y axis, and three levels of volume, namely, soft, medium and loud are presented on the X axis. The graph shows the relationship between volume and mean effectiveness for males in the continuous line and for females in the dashed line. Which of the following interpretation (s) is/are correct from the graph?

Graph Shows About Volume and Mean Effectiveness

Choices

Choice (4)Response

a.

A linear relationship exists for males and a nonlinear relationship for females.

b.

The effect of increasing volume on effectiveness depends on whether the participant is a male or a female.

c.

A linear relationship exists for both males and females.

d.

Both a. and b. are correct

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