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Experimental Design
Title: Experimental Design
Category: Science & Technology
Details: Words: 201 | Pages: 0.9 (approximately 235 words/page)
Experimental Design
Experimental Design
Question
Is cancer caused by long-term exposure to power – frequency electromagnetic fields (EMF)?
Hypothesis
High intensity electromagnetic fields effect cells causing a genetic mutation that leads to cancer.
Variables
Dependant – Electromagnetic Field
Independent – Location/proximity, duration of exposure
Controlled – Diet, species, age, sex, area of confinement
Procedure
Levels of Treatment
1. 100 Rats were divided into 2 groups. 50 matched pairs by age & sex.
2. The pairs were separated and placed into two groups (EMF and nonEMF)
3. One …showed first 75 words of 201 total…
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…showed last 75 words of 201 total…for the EMF generator.
5. Both the control group and the experimental group were monitored daily for two years (food & water levels)
6. Following the experiment all the rats were subjected to medical testing, including blood testing, dissection and cellular analysis, to determine if they had developed cancer.
Prediction
If prolonged exposure to EMF causes cancer, then there should by an increased number of rats with cancer in the experimental group as opposed to the control group.
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