After the eight groups have been organized, each will be assigned a variable to be investigated. Once they get their variable, they will plan out locations where they will be able study different degrees of the that variable. When they get to the area where they will be studying, they will mark out a one square meter area to be sampled. They will then scan the marked area, looking for different species of grass, weed, or flower, and record the species richness. After they study an area with one form of their variable, they will go on to study another area with a different form of their variable. For example, after a group finds the species richness of an area of high pedestrian traffic, they will go study an area with low pedestrian traffic. Using the data from these two areas, the group will be able to compare and analyze whether their variable has an effect on species richness. Once all of the groups are done, they can all compare their results to figure out which variable has the most significant impact on the plants.
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