# Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 311 - 315 of 320

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## Question 311

Research Methods and Statistics
Simple Linear Regression

Appeared in Year: 2021

### Question

MCQ▾

A researcher willing to conduct regression analysis should be careful about which of the following issues in his/her dataset? (marks 2)

### Choices

Choice (4)Response

a.

Presence of correlation between errors terms of predictor variables

b.

Presence of heteroscedasticity

c.

Presence of correlation between predictor variables

d.

All c., a. and b. are correct

## Question 312

Research Methods and Statistics
Variables and Operational Definitions

### Question

MCQ▾

Identify qualitative variable:

### Choices

Choice (4)Response

a.

Religion

b.

Race

c.

Sex

d.

All a., b. and c. are correct

## Question 313

Research Methods and Statistics
Parametric and Non-Parametric Tests Effect Size and Power Analysis

### Question

MCQ▾

Which of the following is/are parametric test?

### Choices

Choice (4)Response

a.

Independent t test

b.

Single sample t test

c.

One way ANOVA

d.

All b., a. and c. are correct

## Question 314

Research Methods and Statistics
ANCOVA

### Question

MCQ▾

What is the prerequisite of using ANCOVA?

### Choices

Choice (4)Response

a.

Dependent variables should be continuous variables

b.

Independent variable should be categorical variables

c.

Observations are independent

d.

All b., a. and c. are correct

## Question 315

Research Methods and Statistics
Single-Subject Designs

### Question

MCQ▾

Identify the true statement for Single-Subject Designs:

### Choices

Choice (4)Response

a.

There is only one group

b.

Also known as single case experiments

c.

Quantitative in nature

d.

All a., b. and c. are correct

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