BME100 f2013:W900 Group2 L1
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LAB 1 WRITE-UP
Independent and Dependent Variables
The independent variable in this experiment is the the dosage of the inflammation inducing agent (lipopolysaccharide) given to each test subject. The dependent variable in this experiment will be the resulting level of the inflammatory protein, Inflammotin, produced by each test subject (as observed in their provided post-treatment blood sample).
Number of subjects per group
The subjects will be chosen randomly based upon gender (50% male, 50% female), ethnicity (broad spectrum), age (55 years of age and above), and place of residence. The names of the qualified test subjects will be listed and assigned a number. The numbers will be systematically sampled from a list via a random number generator and then seperated into dosage groups.
Sources of Error and Bias
Some errors that could affect the results of our experiment can be the amount of blood taken from the blood sample, which would affect the amount of protein recorded. We would have to keep a constant number throughout the entire experiment. There must be a fair amount of people in each category so the experiment isn't biased. The subjects must be relatively healthy, with no preexisting medical conditions that could affect testing, and must also express the medication they use to the experiment so the medication doesn’t contaminate the results of the experiment. Having malfunctioning equipment could also affect the results. Also, the participants of the experiment could have certain medical history which would skew the results. Another problem that we could come across is inadvertant human error whilst collecting data, such as a wrong measurements.