Science Writers 2013: 6 tips to protect yourself from data-led error

download Science Writers 2013: 6 tips to protect yourself from data-led error

of 8

Embed Size (px)

description

Slides from my talk at the annual meeting of the National Association of Science Writers (NASW) in Gainesville, Florida on 2 November 2013

Transcript of Science Writers 2013: 6 tips to protect yourself from data-led error

  • 1. Hilda Bastian @hildabast NASW Sciencewriters 2013, Florida 2nd Nov http://www.slideshare.net/HildaBastian/ (Link listing on last slide) Statistically Funny blogspot Absolutely Maybe at Scientific American Click on image Click on cartoon for link to post
  • 2. See also: Whos saying it? Academic spin (click thumbnail) Think through the context of what happened, the methods of collection and method of analysis before analyzing the data
  • 3. Always think about confidence intervals/margins of error, matching use of numbers & language to data certainty (47.23% or just less than half?) See also: Standard deviations (click thumbnail) Click on cartoon for link to post
  • 4. See also: Alleged effects include (click thumbnail) Click on cartoon for link to post The strength & quality of data vary within a study. And always lo for all outcomes (especially adverse ones), not just the ones researchers point you to.
  • 5. Click on cartoon for link to post
  • 6. See also: He said, then she said (click thumbnail) Click on cartoon for link to post
  • 7. The biggest bias we have to deal with is our own. Click on cartoon for link to post
  • 8. Link listing http://statistically-funny.blogspot.com http://blogs.scientificamerican.com/absolutely-maybe Promising = overhyped + under-tested: http://statistically-funny.blogspot.com/2012/06/promising-over-hyped-under-tested.html Academic spin: http://blogs.scientificamerican.com/absolutely-maybe/2013/09/09/academic-spinhow-to-dodge-weave-past-research-exaggeration/ You will meet too much false precision: http://statistically-funny.blogspot.com/2013/02/you-willmeet-too-much-false-precision.html Standard deviations: http://statistically-funny.blogspot.com/2013/04/dont-worry-its-just-standarddeviation.html Statistical significance: http://statistically-funny.blogspot.com/2013/03/nervously-approachingsignificance.html Alleged effects include: http://statistically-funny.blogspot.com/2013/07/alleged-effects-includehowling.html Studies of cave paintings have shown..: http://statistically-funny.blogspot.com/2013/06/studies-ofcave-paintings-have-shown.html Studies in isolation Look Ma, straight As!: http://statistically-funny.blogspot.com/2013/04/lookma-straight-as.html He said, then she said: http://statistically-funny.blogspot.com/2013/05/he-said-she-said-then-theysaid.html Begging hopefully for less bias: http://statistically-funny.blogspot.com/2012/06/begging-hopefullyfor-less-bias.html