Variables

What is the manipulated variable?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

What is the responding variable?

• what we are changing or testing

• what we are observing or measuring

• what we are keeping the same to make the experiment fair

What are the constant variables?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

Scientific Question: Does being tardy impact test scores?

What is the manipulated variable?

• test scores

• the time a student arrives to class

• amount of time to complete test

Scientific Question: Does being tardy impact test scores?

What is the responding variable?

• test scores

• the time a student arrives to class

• amount of time to complete test

Scientific Question: Does being tardy impact test scores?

What is one of the constant variables?

• test scores

• the time a student arrives to class

• amount of time to complete test

Scientific Question: Will a person fall asleep faster if they listen to music?

What is the manipulated variable?

• music

• time to fall asleep

• person

Tags

NGSS.MS-LS1-8

Scientific Question: Will a person fall asleep faster if they listen to music?

What is the responding variable variable?

• music

• time to fall asleep

• person

Scientific Question:  Will a person fall asleep faster if they listen to music?
What is the control variable?

• music
• time to fall asleep
• person

A group of middle school students were given a short course in speed reading. The teacher was curious if money could influence their performance on a test taken at the end of the course. Half the students were offered $5 for a getting a certain percentage better at speed reading, the other half was offered no money. Which is the responding variable.

• Students being offered money or not.

• Their test scores.

• Their age in school years.

• The length of the course.