 Wordhewer says: This Aquarian has a near-perfect record over 34 years of legal driving (and a couple more years before those ones). Maybe it has to do with not relaxing my safety standards over the years, or good initial instruction. Interesting correlation, in any case! The study, which looked at 100,000 North American drivers' records from the past six years, puts Libras (born September 23-October 22) followed by Aquarians (January 20-February 18) as the worst offenders for tickets and accidents100,000 is a HUGE sample, statistically speaking, and even tiny differences will show up as "statistically significant". Statistical significance does not equal substantive significance...note how neither this article nor the InsuranceHotline website give you a sense of how big these differences are, probably because they're very small. I think there are other possible explanations for these findings (e.g. the finding is somehow an artifact of t... Hi, jklugman. LTNS. Sounds like an informed and discerning comment. Would you be more specific about what would constitute the difference between a statistical significance and a substantive significance? In statistical analysis (and I'm not presuming such was performed legitimately), is a small variance not routinely understood to be of limited significance? I'd like to find out how big the differences were, too // Word // Hi Wordhewer, When you say that a difference is "statistically significance", all that means is that you can say there is a difference in the larger population from which you drew a random sample. When you have small samples it takes a bigger difference in the sample to prove that there's a difference in the population. If you have a sample of 100,000 cases, then it is likely that even very small differences in the sample will be "significant" and prove that there are differences in the population. But that doesn't necessarily mean those differences are large ones. IMHO there is no hard and fast rule about what is substantively significant (substantive significance= large differences)... To me results are absolutely no wonder. I often drive a fast highrevv car, at the same time messing with dashboard, notebook switched on on passenger seat, radio, cellular and watchinh landscape around. The proper driving is a matter of quickness and alertness, sometimes im shocked both as driver and passenger how slow people react and how blind they are. Me - Im Gemini and smart as hell in life and on the road  ) |
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