|Date: ||Thu, 10 Apr 1997 11:07:42 -0500|
|Sender: ||"SPSSX(r) Discussion" <SPSSX-L@UGA.CC.UGA.EDU>|
|From: ||Dave Purcell <dpurcell@SPSS.COM>|
|Organization: ||SPSS Inc.|
|Subject: ||Re: Cronbach's alpha: check item scoring|
|Content-Type: ||text/plain; charset=us-ascii|
Frank M. Howell wrote:
> In survey research, it is often the case that an instrument uses
> "reverse-coding" to reduce "nay-saying" and "yea-saying" bias during
> data collection. These codes tend to get translated into the raw data set
> "as is" during the data-entry process. The analyst, however, can forget
> that these items should all be scored in the same "direction,"
> semantically, before conducting index-construction (RELIABILITY, etc.) in
Good point, Frank. I used to work as a graduate statistics consultant
at the University of Cincinnati, and this was one of the most common
errors that I found when graduate students would bring their work to me.