Nathanael, On 7 Mar 2008, at 09:40, nathan3073 wrote:
> > Dear, > I need to analyse reaction time. > > The general idea might be described as this: There are 8x8 circles. My > program light a circle at one time. The subject then click the lighted > circled as fast as possible. After the correct circle is clicked, > then the > next circle will be lighted for the subject to click on, and so on. > > My questions are: > 1. May I use Time Series Analysis? I read that Time Series may be > used only > for data with regular measurement interval. Can my experiment be > considered > as regularly measured? Is the precise timing of new responses expected to influence the RTs? If so, the answer is probably no. > Let's assume there are 30 subjects. Each has 330 measured reaction > time. I > then plot the response time as time series. > 2. I need to know if the plots can be classified to groups with > different > characteristic. This sounds like you need some kind of cluster or mixture analysis, however .... > That is, I want to check whether there is model (or models) > my plots follow. I've read about ARIMA or somekind of model fitting > but have > no idea about the general concept. Would someone give me some > insight?? How > to do that with R-Language? ... whether you can do this depends on your specific hypotheses. Possibly a simple linear model answers most of your questions. Best, Ingmar > Just for additional request, might I know some paper that use time > series > for analyzing reaction time? I've searched with Google for nearly 2 > hours > but most of the paper I'm looking for are not free. I would > appreciate if I > could get real case study. > > Thank you for the help. > > regards, > Nathanael Gratias > indonesia > -- > View this message in context: http://www.nabble.com/Reaction-Time- > and-Time-Series-Analysis-tp15891094p15891094.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. Ingmar Visser Department of Psychology, University of Amsterdam Roetersstraat 15 1018 WB Amsterdam The Netherlands t: +31-20-5256723 [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
