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Developing a Question Using Variables . Created by Marcie Griffith 2012. Research questions are are framed around the possible relationship between an independent and dependent variable. . Independent Variable. Variable I will manipulate (change) in the experiment

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Developing a question using variables

Developing a Question Using Variables

Created by Marcie Griffith 2012


Research questions are are framed around the possible relationship between an independent and dependent variable.


Independent variable
Independent Variable relationship between an

  • Variable I will manipulate (change) in the experiment

  • Only 1 independent variable allowed


Dependent variable
Dependent Variable relationship between an

  • What I will measure

  • Data I will record

  • The result DEPENDS on my independent variable


Posing your question
Posing Your Question relationship between an

What happens to ____________ when we

(Dependent Variable)

change ____________________?

(Independent Variable)

OR

How does ___________________ affect

(Independent Variable)_________________?

(Dependent Variable)


Let s practice
Let’s Practice! relationship between an


Observation handball court
Observation- Handball Court relationship between an

I noticed that students who won the most handball games, were those who could bounce the ball over their opponent’s head.


Let s apply the scientific method to help my answer my question
Let’s apply the scientific method to help my answer my question

This made me wonder…

How much does the ball have to do with the bounce height?


Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.

ONLY 1 Independent Variable Allowed!


Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


What happens to about the possible relationship between an bounce heightwhen we change the color of the ball?

OR

How does ball coloraffect bounce height?


Head s together
Head’s Together! about the possible relationship between an

  • What is the independent variable?

  • What is the dependent variable?


Controlled variables
Controlled Variables about the possible relationship between an


Controlled variables1
Controlled about the possible relationship between an Variables


Controlled variables2
Controlled about the possible relationship between an Variables

What’s wrong here?

15 ft

Drop Height

10 ft

Drop Height

How might this impact our experiment?


Controlled variables3
Controlled about the possible relationship between an Variables

What’s wrong here?

15 ft

Drop Height

15 ft

Drop Height

What variable might this

scenario test?


Controlled variables4
Controlled about the possible relationship between an Variables

15 ft

Drop Height

15 ft

Drop Height

What variable might this

Scenario test?


Controlled variables5
Controlled about the possible relationship between an Variables

How many times should I repeat the measurement?

15 ft

Drop Height

15 ft

Drop Height


Continuing the experiment
Continuing the Experiment about the possible relationship between an

  • Conduct Experiment

  • Take Multiple Measurements

  • Represent Data

  • Interpret Data & Draw Conclusions

  • Future Research/Next Steps

  • Share Findings


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