Re: [Gabel-guys] experiment waiting room

[Allen L. <al...@cs...>]

And yet another one - I poked around the config files but didn't see anything
about initial starting locations for players.  Should everyone start in the
very middle, or at 0,0, or be placed in a normal distribution or a gaussian
distribution, or off screen ;)?

On Thu, Jul 08, 2004 at 02:01:39PM -0500, Allen Lee wrote:
> Hey Rob, another quick question - how often do we need to sample the data
> collection, and what data needs to be collected (currently client number,
> location, total amount of food consumed).  Does this need to be configurable
> as well?  
> 
> Allen
> 
> On Thu, Jul 01, 2004 at 11:07:56AM -0500, Rob Goldstone wrote:
> > Hi Allen,
> > An experiment can't really be a set of rounds, because people will be coming
> > in and out.  If we could imprison subjects for an hour or so, then we could
> > be sure of having the same subjects, but we can't do this.  So, the short
> > answer to your question is that a "per round" makes sense.  Each 5-10 minute
> > experiment is logically independent of the others, even though there may be
> > an orderly arrangement to which configurations of an experiment are
> > presented when.  In terms of statistical analyses, this means that we'll be
> > using "between-subjects" rather than "within-subject" designs.
> > 
> > The rest of what you describe makes good sense.  For Forager and social
> > choice I'm not envisioning any upper limit to the number of people involved.
> > So, I don't expect we'll be spawning new experiments if one is filled up.
> > This is fine functionality to include though, because I could imagine it
> > coming up down the road.
> > Ciao,
> > Rob
> > 
> > > Andy and I have come up with an issue that I thought would be good to have
> > > some feedback on.  We've been discussing how we want to implement the 'waiting
> > > room' functionality.  Right now we're leaning towards the following
> > > interaction model:
> > > 
> > > 1. User hits the web page listing available games.  Web page checks KNS to see
> > > which services are available and dynamically generates hyperlinks encoded with
> > > the specific host and port information for that particular server.
> > > 
> > > 2. User clicks on a specific hyperlink, that takes them to the applet,
> > > automatically connecting them to that experiment server.
> > > 
> > > 3. Here's where we need some clarification or at least a "yes keep doing
> > > that".  We decided to 'throttle' connections at the experiment server end, not
> > > the KNS end.  This means that people will be making connections to the
> > > experiment server regardless of whether or not an experiment is already in
> > > progress, etc.  What we plan to do here is the following:
> > >   a. If there is no experiment session is in progress, or all current
> > >   experiment sessions are already full, a new experiment session is started.
> > >   We're going to have to worry about dealing with a maximum allowable limit
> > >   to this, of course, but we're leaving that for later since it's not
> > >   immediately needed.
> > > 
> > >   b. If there is an experiment session in progress and it is not full, the
> > >   user gets queued up for that particular experiment session and begins
> > >   playing in that experiment session in the next round.  I was wary of this
> > >   idea when Andy first mentioned it because I had some artificial notion
> > >   that an experiment was a logical set of rounds, and the participants for a
> > >   given experiment should remain static throughout this set to keep it
> > >   cohesive.  Since experiments will be randomized anyhow, we're leaning
> > >   towards the per-round implementation, so a user connects to the forager
> > >   server and gets slapped into the next round of forager.
> > > 
> > > DING: Here's where we need confirmation/clarification.  Do participants join
> > > on a per-round basis or on a per experiment session basis?  Will this change
> > > for other experiments? Also, how long do we keep running these rounds?  Do we
> > > let someone play forager for 37 hours?  Do you need to interpret their data
> > > differently?
> > > 
> > > This is a pretty trivial question, but it's kind of a stumbling block right
> > > now.
> > > 
> > > Thoughts?
> > > 
> > > 
> > > 
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> 
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