Nt1310 Unit 1 Study Guide

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1. Reflect on what you have learned in this class. Which things surprised you the most? Which had the deepest impact on you?
2. Do humans control their environment? Or does the environment control us? And why?
3. Would you call yourself an environmentalist? Why or why not? What environmental issues have directly affected your life, either at a daily practical level or at a more philosophical or conceptual level?
4. Why measure a plant or animal’s response to pollution when you can measure the amount of pollution in the environment itself?
5. Hurlbert (1984) found that 48% of the studies he reviewed that applied inferential statistics committed pseudoreplication. These studies have since been cited by others, who may not be aware that pseudoreplication occurred. What are some potential implications of this error in these studies?
6. What are the disadvantages of having a control site that is …show more content…
What is the difference between using science to make decisions and using science to inform decisions? What other factors should be involved in environmental policy and regulatory decision-making, and how does scientific information relate to these factors?
9. Soil nitrogen content is sampled at six fields to estimate whether more nitrogen is retained in the soil when fertilizer is added aerially or from the ground. Half of the six fields are fertilized aerially, and half are fertilized from the ground. At each field, six samples of soil nitrogen content are taken.
a) What is the experimental unit?
The experimental unit is the individual on which a variable is measured. The experimental unit in this example is each field (total of six) of which samples of soil nitrogen content were taken.
b) What is the sample size?
Sample size is the number of items sampled from a population. The sample size is six, representing the six fields used to estimate whether more nitrogen is retained in the soil when fertilizer is added aerially or from the ground.
c) What is the predictor
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