Running E-Prime experiments online

[ben robinson]

why not have them run it locally and email you their data file when they've
finished?

On Fri, Sep 24, 2010 at 4:01 AM, tudor <tudor3 at gmail.com> wrote:

> Hello everyone,
>
> I have an E-Prime script for an experiment that measures subjects'
> reaction times to a simple number comparison task. The design of the
> experiment is such that the subjects need to run the experiment daily
> for 3 weeks, which is why I intend to have them run it from their
> homes, online, rather than asking them to come each day into the lab.
>
> I thought it would be the easiest for the subjects if their daily task
> is to login to a website and run the script through their Internet
> browser. This will enable me to monitor their performance every day,
> which is quite important. The data files (which are small, < 1 MB)
> would be stored on the server.
> However I am concerned that, in this case, the reaction times will not
> be accurate, because, unless the script is somehow ran "locally",
> there will probably be a significant (and variable) Internet lag
> between their response and the moment the response is registered.
> On the other hand, if I choose to run the experiment "offline" by
> having them run a copy of the script on their computers, I will have
> no knowledge of their performance before the end of the 3 weeks (I
> would not want to ask them to submit the data files every day).
>
> Since I am very new to E-Prime, I am not sure what would be the best
> way to go about running this experiment. Can anyone help? Many thanks
> in advance!
>
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