# Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 147 - 149 of 320

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### Passage

An environmental psychologist hypothesized that the noise would adversely affect the performance on mental tasks. One hundred and fifty subjects, 75 boys and 75 girls, studying in the twelfth standard, in the age range of 17 to 19 years and in the IQ range of 85 to 115, constituted the initial pool of subjects. Three group of equal size were formed by random assignment. Group I performed under high noise condition (75 decibels) , Group II performed under moderate noise condition (60 decibels) , and Group III performed under silent condition. Each subject was instructed to solve 45 simple numerical problems in the allotted time of 90 minutes. The mean number of correctly solve problems were twenty-four, twenty and fifteen respectively. The intergroup mean reference were statistically significant. (June)

## Question 147 (3 of 4 Based on Passage)

Research Methods and Statistics
Hypothesis

Appeared in Year: 2016 (UGC)

### Question

MCQ▾

Which one of the following conclusion can be drawn on the basis of the above study?

### Choices

Choice (4)Response

a.

Inadequate data to evaluate researcher՚s hypothesis.

b.

The researcher՚s hypothesis has been rejected.

c.

The researcher՚s hypothesis has been partially accepted.

d.

The researcher՚s hypothesis has been accepted.

## Question 148 (4 of 4 Based on Passage)

Research Methods and Statistics
Variables and Operational Definitions

Appeared in Year: 2016 (UGC)

### Question

MCQ▾

The variable ‘intelligence’ , in the above study , can be labelled as

1. Behavioural variable
2. Organismic variable
3. Continuous variable
4. Controlled variable (June)

### Choices

Choice (4)Response

a.

1 and 4 only

b.

1,3 and 4 only

c.

2,3 and 4 only

d.

2 and 3 only

## Question 149

Research Methods and Statistics
Variables and Operational Definitions

Appeared in Year: 2017 (UGC)

### Question

Match List-Ⅰ List-Ⅱ▾

Match List – I with List – II and select the correct answer by choosing from the codes given below: (Jan)

List-Ⅰ (Variable Type)List-Ⅱ (Example)
(A)

Real discrete variable

(i)

(B)

Artificially discrete variable

(ii)

Neuroticism

(C)

Qualitative variable

(iii)

Voice pitch

(D)

Continuous variable

(iv)

Gender

### Choices

Choice (4)Response
• (A)
• (B)
• (C)
• (D)

a.

• (ii)
• (i)
• (iii)
• (iv)

b.

• (ii)
• (iv)
• (i)
• (iii)

c.

• (iv)
• (i)
• (iii)
• (ii)

d.

• (i)
• (ii)
• (iii)
• (iv)

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