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Revision as of 11:38, 3 September 2014
BME 100 Fall 2014 | Home People Lab Write-Up 1 | Lab Write-Up 2 | Lab Write-Up 3 Lab Write-Up 4 | Lab Write-Up 5 | Lab Write-Up 6 Course Logistics For Instructors Photos Wiki Editing Help | |||||
OUR TEAMLAB 1 WRITE-UPIndependent and Dependent VariablesThe independent variable in this experiment is the amount of Lipopolysaccharide because it is the variable that is being changed by the scientists. The dependent variable is Inflammotin because it is the variable in the experiment that is affected by the change in the independent variable. Experimental DesignGroups
Age
Subject SelectionWe will ask for both male and female volunteers who are willing to participate in a study involving Inflammotin levels. The volunteers will be selected from retirement communities throughout the surrounding region in order to attain randomized samples. We will then screen the volunteers for the current levels of Inflammotin. Biases in the subject selection could include only choosing males or females in stead of choosing equal amounts of both genders. Subjects included in the experiment include those who are relatively healthy, uninjured, and are within the range of ages selected. Those excluded are those that are currently sick, injured, or outside of the age range.
Sources of Error and BiasA source of bias would be choosing only males or females. To prevent this bias, an equal amount of males and females will be selected. A source of error could include keeping the dosage at 10mg. To control for this source of error, the dosage vary between the groups by 2mg (i.e. 10mg, 8mg, 6mg... ect). The positive control group would be the group taking 10mg of the lipopolysaccharide, while the negative control group would be the group not taking any of the lipopolysaccharide. Another source of error could include if a subject is currently sick which would cause inflimation and skew results. To control for this factor, screening for sick test subjects will be performed and only healthy subjects will be tested. Another source of error is injury to the test subject. Bruising or other forms of bodily harm can cause inflimation and skew results. To control for this factor, screening for bruised or otherwise injured subjects will be performed and only healthy subjects will be tested.
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