Staircase

[Fredrik Ullén]

I've made scripts using similar techniques to determine thresholds in
temporal and frequency judgement tasks. If you're interested
I could mail those to you.
Best regards
Fredrik Ullen

----- Original Message -----
From: "David Hairston" <dhair at wfubmc.edu>
To: <eprime at mail.talkbank.org>
Sent: Thursday, May 16, 2002 11:06 PM
Subject: Staircase


> I'm interested in creating a paradigm involving a staircase method to
detrermine a threshold.  Has anybody done this or have an idea of how to do
it in E-Prime, short of hard-coding the entire thing in E-Basic?
>
> In particular, I'd like to quickly narrow down the temporal threshold for
a temporal-order judgement task, in which S's simply report which of 2
visual stimuli appear first.  Thus far I've done this via the method of
constant stim  by just varying the Duration variable of the pause between
them... but boy, how ineffecient...
>
> Any suggestions would be greatly appreciated!
> Thanks
>