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Designing a Study
Asking a research question <ul><li>Do mice being fed Special Diet grow stronger? </li></ul>
Hypothesis <ul><li>If  mice are fed Special Diet,  then  they grow stronger. </li></ul>
Independent Variable <ul><li>the mice’s diet: the Special Diet or regular </li></ul>
Dependent Variable <ul><li>the strength of the mice, as measured by the mice’s stamina on exercise wheel </li></ul>
Controlled Variables <ul><li>same species of mice </li></ul><ul><li>mice of similar age </li></ul><ul><li>healthy mice </l...
Groups <ul><li>Group 1:  a cage of 5 mice who eat regular food </li></ul><ul><li>Group 2:  a cage of 5 mice who eat Specia...
Research Procedure <ul><li>Feed mice for 2 weeks with Special Diet </li></ul><ul><li>Test all mice on wheel for stamina </...
Data Organization Special Diet Regular food Minutes on wheel Mice Diet
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Ppp designing a study

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Transcript of "Ppp designing a study"

  1. 1. Designing a Study
  2. 2. Asking a research question <ul><li>Do mice being fed Special Diet grow stronger? </li></ul>
  3. 3. Hypothesis <ul><li>If mice are fed Special Diet, then they grow stronger. </li></ul>
  4. 4. Independent Variable <ul><li>the mice’s diet: the Special Diet or regular </li></ul>
  5. 5. Dependent Variable <ul><li>the strength of the mice, as measured by the mice’s stamina on exercise wheel </li></ul>
  6. 6. Controlled Variables <ul><li>same species of mice </li></ul><ul><li>mice of similar age </li></ul><ul><li>healthy mice </li></ul><ul><li>same access to exercise </li></ul>
  7. 7. Groups <ul><li>Group 1: a cage of 5 mice who eat regular food </li></ul><ul><li>Group 2: a cage of 5 mice who eat Special Diet </li></ul>
  8. 8. Research Procedure <ul><li>Feed mice for 2 weeks with Special Diet </li></ul><ul><li>Test all mice on wheel for stamina </li></ul>
  9. 9. Data Organization Special Diet Regular food Minutes on wheel Mice Diet
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