Week 6 - Variables and Hypothesis in Research

Quiz
•
Education
•
University
•
Hard
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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