RE: [tips] How to lie with statistics: Example

2014-01-14 Thread rfro...@jbu.edu
Mike Palij suggests: " As a class project I would suggest students find figures, especially in Tier 1 journals, that use truncated figures and determine (a) does the truncation facilitate understanding or (b) mislead the reader. I predict: (1) There number of truncated figures found will be >> 1

RE: [tips] How to lie with statistics: Example

2014-01-14 Thread Mike Palij
On Tue, 14 Jan 2014 07:24:28 -0800, Rick Froman wrote: Mike Palij asks: "It could just be me but what exactly is misleading in the "uncorrected" figures. Wikipedia has an entry on misleading graphs that provides (a) specific types of misleading techniques and (b) Tufte's rules for measuring

Re: [tips] How to lie with statistics: Example

2014-01-14 Thread Paul C Bernhardt
Suppose I did a study of persons impressions on viewing graphs of various styles. I might cite the tweet that started this discussion as an example. The inline citation might read like this: "Examples of potentially confusing graphics are regularly presented by media 'watchdogs' (e.g., Keller, 2

RE: [tips] How to lie with statistics: Example

2014-01-14 Thread rfro...@jbu.edu
Mike Palij asks: "It could just be me but what exactly is misleading in the "uncorrected" figures. Wikipedia has an entry on misleading graphs that provides (a) specific types of misleading techniques and (b) Tufte's rules for measuring distortion in figures. Which violations of good practice

re: [tips] How to lie with statistics: Example

2014-01-14 Thread Mike Palij
On Tue, 14 Jan 2014 04:08:52 -0800, Rainer Scheuchenpflug wrote: Dear Tipsters, one of my students pointed me to a tweet by JK Keller which contains an excellent example of a misleading diagram: https://twitter.com/jk_keller/status/410498080765919232 Could be useful in a research methods clas

Re: [tips] How to lie with statistics: Example

2014-01-14 Thread MiguelRoig
Good one! Thank you for posting it. Miguel - Original Message - From: "Rainer Scheuchenpflug" To: "Teaching in the Psychological Sciences (TIPS)" Sent: Tuesday, January 14, 2014 7:08:04 AM Subject: [tips] How to lie with statistics: Example Dear Tipsters, one of my students pointed me