Re: Standardized Confidence Intervals

2001-10-21 Thread Rich Ulrich
On 15 Oct 2001 07:44:33 -0700, [EMAIL PROTECTED] (Warren) wrote: Dear group, It seems to me that the one issue here is that when we measure something, then that measure should have some meaning that is relevant to the study hypotheses. And that meaning should be interpretable so that the

Re: Standardized Confidence Intervals

2001-10-10 Thread Herman Rubin
In article [EMAIL PROTECTED], dennis roberts [EMAIL PROTECTED] wrote: At 03:45 PM 10/9/01 -0400, Wuensch, Karl L wrote: Some of those who think that estimation of the size of effects is more important than the testing of a nil hypothesis of no effect argue that we would be better served by

Re: Standardized Confidence Intervals

2001-10-09 Thread dennis roberts
At 03:45 PM 10/9/01 -0400, Wuensch, Karl L wrote: Some of those who think that estimation of the size of effects is more important than the testing of a nil hypothesis of no effect argue that we would be better served by reporting a confidence interval for the size of the effect. Such

RE: Standardized Confidence Intervals

2001-10-09 Thread Dale Glaser
Title: RE: Standardized Confidence Intervals Dennis..yes, the effect size index may be arbitrary, but for argument sake, say I have a measure of 'self-esteem', a 10 item measure (each item a 5-pt. Likert scale) that has a range of 10-50; sample1 has a 95% CI of [23, 27] whereas

RE: Standardized Confidence Intervals

2001-10-09 Thread dennis roberts
://www.pacific-science.com -Original Message- From: dennis roberts [mailto:[EMAIL PROTECTED]mailto:[EMAIL PROTECTED]] Sent: Tuesday, October 09, 2001 1:52 PM To: Wuensch, Karl L; edstat (E-mail) Subject: Re: Standardized Confidence Intervals dennis roberts, penn state university educational

RE: Standardized Confidence Intervals

2001-10-09 Thread dennis roberts
At 03:04 PM 10/9/01 -0700, Dale Glaser wrote: It would seem that by standardizing the CI, as Karl suggests, then we may be able to get a better grasp of the dimensions of error...at least I know the differences between .25 SD vs. 1.00 SD in terms of magnitude well, yes, 1 sd means