Basic Concepts of Experimental Design

What is the name of the variable that is purposely changed in an experiment?

• control

• independent variable

• dependent variable

• constant

What is the name of the variable that changes in response or is measured in an experiment?

• control group

• constants

• dependent variable

• independent variable

What are the factors in an experiment that are kept the same and not allowed to change?

• independent variable

• dependent variable

• hypothesis

• constants

What is the part of the experiment that serves as a standard of comparison?

• constant

• control group

• repeated trial

• independent variable

What is a prediction of the relationship of an independent variable and dependent variable to be tested in an experiment?

• hypothesis

• repeated trial

• constant

• dependent variable

What is the number of times that a level of the independent variable is tested in an experiment?

• hypothesis

• repeated trials

• control group

• independent variable

Also known as the responding variable...

• independent variable

• constants

• repeated trails

• dependent variable

Also referred to as the manipulated variable...

• dependent variable

• independent variable

• constants

• control group

In Part 1 of your paper airplane experiment, which of the following factors was considered a constant?

• total distance traveled

• weight of paper airplane

• total flight time

In Part 1 of your paper airplane experiment, which of the following factors was considered a dependent variable?

• wing shape

• weight of paper airplane

• total flight time

• size of paper