Week 6 - Variables and Hypothesis in Research

Week 6 - Variables and Hypothesis in Research

University

15 Qs

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Week 6 - Variables and Hypothesis in Research

Week 6 - Variables and Hypothesis in Research

Assessment

Quiz

Education

University

Hard

Created by

Jusak Patty

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

What is the role of variables in research?

They are factors that can be measured, controlled, or manipulated.

They are unchangeable factors.

They only apply to qualitative studies.

They are irrelevant to the research process.

Answer explanation

Variables are essential in research as they represent factors that can be measured, controlled, or manipulated, allowing researchers to analyze relationships and draw conclusions.

2.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Which of the following is an example of a categorical variable?

Weight

Gender

Height

Temperature

Answer explanation

Gender is a categorical variable as it represents distinct categories (e.g., male, female) without a numerical value. In contrast, weight, height, and temperature are continuous variables measured on a numerical scale.

3.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

What type of variable is manipulated by researchers?

Intervening Variable

Extraneous Variable

Independent Variable

Dependent Variable

Answer explanation

The independent variable is the one that researchers manipulate to observe its effect on other variables. In experiments, it is the primary variable of interest, unlike dependent, intervening, or extraneous variables.

4.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Which of the following is a characteristic of a good hypothesis?

Vagueness

Irrelevance

Testability

Ambiguity

Answer explanation

A good hypothesis must be testable, meaning it can be supported or refuted through experimentation or observation. This allows for scientific inquiry and validation, unlike vagueness, irrelevance, or ambiguity.

5.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

What is a moderating variable?

A variable that is not part of the study.

A variable that can change the relationship between independent and dependent variables.

A variable that is always controlled.

A variable that explains the relationship between independent and dependent variables.

Answer explanation

A moderating variable influences the strength or direction of the relationship between independent and dependent variables, making the correct choice "A variable that can change the relationship between independent and dependent variables."

6.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

What is the difference between a hypothesis and an assumption?

Hypotheses are untestable, assumptions are testable.

Hypotheses are based on evidence, assumptions are not.

There is no difference.

Hypotheses are always true, assumptions are always false.

Answer explanation

Hypotheses are formulated based on evidence and can be tested through experimentation, while assumptions are taken for granted without evidence. Thus, the correct choice highlights this key distinction.

7.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Which of the following is an example of a dependent variable?

The study method

The exam score

The age of participants

The number of hours studied

Answer explanation

The exam score is a dependent variable because it is influenced by other factors, such as the study method and the number of hours studied. The other options are independent variables or characteristics.

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