The Scientific Method and Research Practices. Provides new advanced systems and technology in food...
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Transcript of The Scientific Method and Research Practices. Provides new advanced systems and technology in food...
![Page 1: The Scientific Method and Research Practices. Provides new advanced systems and technology in food and agriculture (USDA-REE) Need to feed the world.](https://reader036.fdocuments.in/reader036/viewer/2022071807/56649e055503460f94af202d/html5/thumbnails/1.jpg)
The Scientific Method and Research Practices
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Provides new advanced systems and technology in food and agriculture (USDA-REE)
Need to feed the world Research can “improve quantity, quality and
sustainability” (DuPont Agriculture)
Why is Research Important?
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Quantitative Data includes measurements or counts Standard scales
Qualitative Descriptions
Types of ResearchDefinitio
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Steps of the Scientific Method
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Independent Variables Altered or manipulated for the experiment
Dependent Variables Respond during the experiment
Constants Factors that are not changed during the
experiment
Types of VariablesDefinitio
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Control Group Group Unchanged by researcher Measure the influence of unanticipated
Multiple Trials
Making your Experiment ValidDefinitio
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Hypothesis
Prediction of the relationship between a independent and dependent variable in an experiment
Must use background research to form hypothesis
Accept or Reject after analyzing results
Definitio
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If-Then
Non-directional
Forms of Hypotheses
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Hypothesis Example
Non-Directional
The growth rate of a plant will differ under green light.
Directional
If a plant is exposed to is green light, then the growth rate will increase.
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Hypothesis Example
Non-Directional
Rate of gain in cattle fed corn will differ from cattle fed grass.
Directional
If cattle are fed corn then the rate of gain will be greater than cattle fed grass.
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What are procedures? The specific steps used to complete an experiment
including the required materials
Procedures and MethodsDefinitio
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