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Results and Discussion

Results and Discussion. Due March 12 th. Report Results. All results should be presented, including those that do not support the hypothesis. Statements made in the text must be supported by the results contained in figures and tables. Discussion.

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Results and Discussion

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  1. Results and Discussion Due March 12th

  2. Report Results • All results should be presented, including those that do not support the hypothesis. • Statements made in the text must be supported by the results contained in figures and tables.

  3. Discussion • The discussion section should explain to the reader the significance of the results. Evaluate what happened, based on the hypothesis and purpose of the experiment. If the results contained errors, analyze the reasons for the errors.

  4. Discussion • Summarize the important findings of your observations. • For each result, describe the patterns, principles, relationships your results show. Explain how your results relate to expectations and to references cited. Explain any agreements, contradictions, or exceptions.

  5. Important step The writers show in the last portion that they have looked for the results of other experiments with which to compare their results. They discuss differences. You will do the same to show consistency with the authors of your articles as well.

  6. Types of Errors • Random Errors - unavoidable, consequences of the natural uncertainties of operations • Systemic Errors - causes a unidirectional bias in your experiment and can be potentially compensated for or corrected. • Human Errors - a mistake that causes your result to be inaccurate (not as forgiving when assessed compared to other two)

  7. Types of Errors • Most reactions do not go to 100% completion with the formation of just one product (sideproducts may form - do you know which ones?) • Not all reactions are instantaneous. • Any instruments used (balances, glassware) are being used to the limit of their performance.

  8. Examples of PORTIONS of a R&D section If road salt were the source of the chloride contamination, then it might be expected that the concentration would decrease with distance from the roadway. It was observed this general trend though the roughly linear decrease is not in agreement with the findings of Sparrow and Thrush, who found that the chloride concentration first increased with distance and then decreased. They explained their results as due to the ejection of liquid or solid particles by vehicle tires and snowplow activity. The profile at our site is probably influenced by the drainage ditch, which is approximately 15 m from the road.

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