What particular goals do these researchers have in addressing this problem?

Guide for Technical Reading and Critique:
The Effect of Handwashing with Water or Soap on Bacterial Contamination of Hands Schmidt et. al. Int. J. Environ. Res. Public Health 2011, 8, 97-104; doi:10.3390/ijerph8010097
Make a statement of the Problem/Goals:
In one sentence in your own words, state succinctly the question the paper addresses.
Why is this important?
What particular goals do these researchers have in addressing this problem?
Technical Approach:
What are the specific names of the organisms that these researchers are studying?
In a few sentences in your own words, what is this group’s approach to tackling the stated problem? What are their methods? What groups are they testing and how are they being tested?
Discussion/Critique:
How did the researchers evaluate their efforts? Did they measure anything?
Look at the graphs in Figure 1.
What are the three independent variables (groups) on the x-axis?
What is the dependent (measured) variable on the y-axis?
Is there any difference in the dependent variable measurements between these groups?
Which group of bacteria (graph) has the lowest p-value when comparing water only to no handwashing? *Remember lower p-values are more significant because p-value is the probability you would get the same result by random chance
Which group of bacteria has the highest p-value if you are comparing water-only to soap and water? *Remember higher p-values are less significant because higher p-values means more likely to have happened by chance.
Are these experiments enough? What conclusions did they draw from their evaluation results? What limitations do the researchers mention with their approach? Do they suggest solutions?
Given the evaluation results, what application/useful benefit/impact do the researchers/you see for this work?

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