Date: Thu, 9 Jan 2003 08:31:27 -0700
Reply-To: Susan Crawford <Susan.Crawford@calgaryhealthregion.ca>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Susan Crawford <Susan.Crawford@calgaryhealthregion.ca>
Organization: Calgary Health Region
Subject: Re: Milliseconds
Content-Type: text/plain; charset=us-ascii
Many thanks for solving the problem, Raynald! We really appreciate it!
Raynald Levesque wrote:
> SPSS handles this without any problems:
> DATA LIST LIST /t1 t2 (2TIME13.3).
> BEGIN DATA
> 12:02:45.459 12:02:47.123
> 12:02:45.459 12:02:46.460
> 12:02:45.458 12:02:45.459
> END DATA.
> COMPUTE delta=t2 - t1.
> FORMATS delta(F8.3) t1 t2 (TIME13.3).
> * This is the result of LIST:
> T1 T2 DELTA
> 12:02:45.459 12:02:47.123 1.664
> 12:02:45.459 12:02:46.460 1.001
> 12:02:45.458 12:02:45.459 .001
> Raynald Levesque email@example.com
> Visit my SPSS Pages http://pages.infinit.net/rlevesqu/index.htm
> -----Original Message-----
> From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU]On Behalf Of
> Susan Crawford
> Sent: January 8, 2003 6:13 PM
> To: SPSSX-L@LISTSERV.UGA.EDU
> Subject: Milliseconds
> We're doing a reaction time test for a new study, and the data from the
> test comes out as a text file with two variables - the type of response
> (correct, incorrect, false alarm, miss), and the time that the response
> was made. We also have the time that the stimulus was displayed.
> Here's an example of the time from the test:
> I need to take the difference between the display time and the response
> time, but the researchers want to look at milliseconds. The only thing
> that I can find in SPSS says that time is measured as:
> I need another decimal place for the reaction time. Is there a way to
> set this up, so I can calculate differences between the two times and
> get the actual milliseconds?
> Many thanks for the help!
> Susan Crawford, M.Sc.
> Research Coordinator
> Behavioural Research Unit
> Alberta Children's Hospital
> Phone: 943-7364
> "Life is not measured by the number of breaths we take, but by the
> moments that take our breath away."
Susan Crawford, M.Sc.
Behavioural Research Unit
Alberta Children's Hospital
"Life is not measured by the number of breaths we take, but by the moments
that take our breath away."