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Unraveling Mr. Mason’s Scientific Study

Explore the intriguing process of Mr. Mason's scientific investigation on student achievement through homework variations and its impact, from hypothesis to verification.

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Unraveling Mr. Mason’s Scientific Study

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Presentation Transcript

  1. Mr. Mason’s Cruel Experiment(or Mason’s version of the scientific method…) 8.30.12

  2. 1. First step of any scientific investigation?

  3. 1. Observation

  4. 1. Observation • Some students do better in school than others

  5. 1. Observation • Some students do better in school than others • The students who do better also do more homework (positive correlation)

  6. 2.

  7. 2. Hypothesis • More homework leads to higher student achievement

  8. 2. Hypothesis • More homework leads to higher student achievement • Do not use phrases like “I think…” State your hypothesis as a positive statement, as though it is fact.

  9. 3.

  10. 3. Design experiment and do research • Have others already studied this relationship? If so, how did they do it?

  11. 3. Design experiment and do research • Have others already studied this relationship? If so, how did they do it? • How do you measure student achievement? • Final grades? Test scores? Future jobs/income?

  12. 3. Design experiment and do research • Have others already studied this relationship? If so, how did they do it? • How do you measure student achievement? • Final grades? Test scores? Future jobs/income? • Vary levels of treatment • Some with normal amount, some with a lot

  13. 3. Design experiment and do research • Have others already studied this relationship? If so, how did they do it? • How do you measure student achievement? • Final grades? Test scores? Future jobs/income? • Vary levels of treatment • Some with normal amount, some with a lot • Test null hypothesis • Give one class no homework at all

  14. 3. Design experiment and do research • Have others already studied this relationship? If so, how did they do it? • How do you measure student achievement? • Final grades? Test scores? Future jobs/income? • Vary levels of treatment • Some with normal amount, some with a lot • Test null hypothesis • Give one class no homework at all • Keep all other variables constant

  15. 4.

  16. 4. Do the experiment

  17. 5.

  18. 5. Analyze data

  19. 6.

  20. 6. Conclusion and replication • See if any conclusions can be drawn from data • If it can, do the experiment again to make sure that results are consistent

  21. 7.

  22. 7. Communication

  23. 8.

  24. 8. Verification • Have other scientists do your experiment. • Results and conclusions are only considered valid if other people get the same results.

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