qsilvr2531

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Date	Title	Body
2 years 43 weeks ago	Nice research...	...but don't the arbitrary break points go a long way toward defining the analysis? If you combined the 0's and 1's you get an injury rate of 22.7% and combining the 2's and 3's you get an injury rate of 32% and your conclusions completely change (and combining the 2's and 3's to get comparable sample sizes probably makes sense here given the arbitrary nature of the cut points). Considering the sample sizes of the 2's and 3's, I'm not sure you can really draw any conclusions from this. Moving two injuries from the 2 group to the 3 group would cause their injury percents to be very similar. What happens to the data if you make small changes to the cut points (instead of 1/2,1/3,1/5 maybe make them 1/3,1/4,1/5 or something).