Re: misusing stats: examples

2000-05-16 Thread Rich Ulrich
On 15 May 2000 07:31:17 -0700, [EMAIL PROTECTED] (Michael Granaas) wrote: < snip > > The misinterpretation of results by the popular press has become a core > topic for me in recent years. While some of the misinterpretations may be > harmless (I doubt that eating extra fiber would hurt you unle

Re: misusing stats: examples

2000-05-15 Thread Rich Ulrich
On 15 May 2000 08:58:41 -0700, [EMAIL PROTECTED] (Simon, Steve, PhD) wrote: < ... "Here's a draft of what I have written." (review of article for Steve's Web site). On-line reference given for article. > > > Thornley, Ben, and Adams, Clive "Content and quality of 2000 controlled > trials in s

RE: misusing stats: examples

2000-05-15 Thread dennis roberts
At 10:30 AM 5/15/00 -0500, Simon, Steve, PhD wrote: >There have been a lot of interesting comments in this thread. Let me just >add my two cents. > >Anyway, what I tell them is that nine times out of ten, the mistake was not >in how the data was analyzed, but in how it was collected. After all, if

RE: misusing stats: examples

2000-05-15 Thread Simon, Steve, PhD
There have been a lot of interesting comments in this thread. Let me just add my two cents. A lot of the doctors and nurses that I work with get hung up over the actual statistical analysis in medical journal articles, and they get intimidated by the statistical jargon. Why anyone who uses words

Re: misusing stats: examples

2000-05-15 Thread Michael Granaas
On Fri, 12 May 2000, Rich Ulrich wrote: > < snip > > > Or, there are bad news reports, that don't really say what the study > said. > So: Here is another aspect of error -- what is reported in a journal, > as opposed to what is claimed in a newspaper. > > The misinterpretation of results

Re: misusing stats: examples

2000-05-12 Thread Milo Schield
Others have commented on the "correlation is not causation" aspect, the ecological fallacy aspect and the autocorrelation aspects. But I felt that another logical/statistical flaw was being featured. I believe this summarizes the argument at issue: Suppose that factors A, B, etc. explain X% of t

Re: misusing stats: examples

2000-05-12 Thread Rich Ulrich
Concerning the request, which has resulted in a number of somewhat-relevant responses -- == Date: 04/30/2000 Author: Uplandcrow <[EMAIL PROTECTED]> < snip > "I am looking for examples of articles that use a stat procedure incorrectly. For example, I have one artivle from a business

Re: misusing stats: examples

2000-05-11 Thread Robert Dawson
- Original Message - From: Gene Gallagher > Here is an error that is subtle, but very common. The statistical > test (multiple regression) was applied perfectly, but the > statistical inference was wrong. > My first reference to this type of error is in the classic, > but highly controve

Re: misusing stats: examples

2000-05-11 Thread Thom Baguley
Gene Gallagher wrote: > I have recently seen examples of the thrip fallacy in the op-ed > pages of the Boston Globe. Massachusetts has implemented > state-wide standardized testing and has increased state funding > for school districts with low test scores. Statistical analysis > reveals that Fi

Re: misusing stats: examples

2000-05-10 Thread Paul Gardner
Gene Gallagher wrote: > [snip] > I have recently seen examples of the thrip fallacy in the op-ed > pages of the Boston Globe. Massachusetts has implemented > state-wide standardized testing and has increased state funding > for school districts with low test scores. Statistical analysis > revea

Re: misusing stats: examples

2000-05-10 Thread Gene Gallagher
In article <[EMAIL PROTECTED]>, Uplandcrow wrote: > I teach research methods for social science at a small liberal arts > college. > The level of math in the class is low, I use Richard Black's "Doing > Quantitative Research in the Soc. Sci." and excerpts from > Gujarati's "Basic Econometrics." >

Re: misusing stats: examples

2000-05-10 Thread Jill Binker
Ralph Johnson and J. anthony Blair are the authors of _Logical Self-Defense_. (I know, I did a year of grad study in Informal Logic with them.) At 8:13 PM -0400 5/9/00, Donald F. Burrill wrote: >On Tue, 9 May 2000, Jerry Winegarden wrote, in reply to Uplandcrow's >request: > >> > > Uplandcrow wro

Re: misusing stats: examples

2000-05-09 Thread Donald F. Burrill
On Tue, 9 May 2000, Jerry Winegarden wrote, in reply to Uplandcrow's request: > > > Uplandcrow wrote: > > > > > I am looking for examples of articles that use a stat procedure > > > > incorrectly. > A "MUST READ" for this class: "How To Lie with Statistics". Best > little book in the wor

Re: misusing stats: examples

2000-05-09 Thread Jerry Winegarden
> > Uplandcrow wrote: > > > > > > I teach research methods for social science at a small liberal arts college. > > > The level of math in the class is low, I use Richard Black's "Doing > > > Quantitative Research in the Soc. Sci." and excerpts from Gujarati's "Basic > > > Econometrics." > > > I

Re: misusing stats: examples

2000-05-08 Thread V. Partridge
Found references to two of Hurlbert's papers: Hurlbert, S. H. 1984. Pseudoreplication and the design of ecological field experiments. Ecological Monographs 54:187-211. Hurlbert, S. H. 1990. Spatial distribution of the montane unicorn. Oikos. 58: 257-271. "V. Partridge" wrote: > > Look up pape

Re: misusing stats: examples

2000-05-08 Thread Gus Gassmann
Uplandcrow wrote: > I teach research methods for social science at a small liberal arts college. > The level of math in the class is low, I use Richard Black's "Doing > Quantitative Research in the Soc. Sci." and excerpts from Gujarati's "Basic > Econometrics." > > (FYI, if you have not seen Blac

Re: misusing stats: examples

2000-05-05 Thread V. Partridge
Look up papers by Stuart Hurlburt, who points up commonly-made errors in ecological research. Two of note are his paper on pseudoreplication (in Ecological Monographs, circa 1989, I think) and "The Spatial Distribution of the Montane Unicorn" (I don't recall the journal). V. Partridge Uplandcro

Re: misusing stats: examples

2000-05-01 Thread Uplandcrow
>would you please compile responses and re-post them? Yes, I plan to. I've gotten 4 or 5 good sugestions and I want to look at the articles. Then I will post the citations and a summary. Cheers, Jon === This list is open

Re: misusing stats: examples

2000-05-01 Thread Art Kendall
would you please compile responses and re-post them? Uplandcrow wrote: > I teach research methods for social science at a small liberal arts college. > The level of math in the class is low, I use Richard Black's "Doing > Quantitative Research in the Soc. Sci." and excerpts from Gujarati's "Basi

Re: misusing stats: examples

2000-04-30 Thread Petr Kuzmic
Uplandcrow wrote: [...] > I am looking for examples of articles that use a stat procedure incorrectly. [...] Take a look at: S. A. Glanz (1992) "Primer of Biostatistics", McGraw-Hill, New York, pp. 1--10. (Chapter 1) This chapter contains several articles from medical journal

Re: misusing stats: examples

2000-04-30 Thread Michael F.
Uplandcrow wrote: > I am looking for examples of articles that use a stat procedure incorrectly. A literature search of important journals in the subject area in which your students major might show that common problems have been addressed. For example, the articles below address problems t

misusing stats: examples

2000-04-30 Thread Uplandcrow
I teach research methods for social science at a small liberal arts college. The level of math in the class is low, I use Richard Black's "Doing Quantitative Research in the Soc. Sci." and excerpts from Gujarati's "Basic Econometrics." (FYI, if you have not seen Black's text yet, take a look. It