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Type: Posts; User: baruche

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  1. Replies
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    We've installed both version 2010.2.103.115 and...

    We've installed both version 2010.2.103.115 and version 2010.3.0.109, but wecouldn't send a TTL signal in any of them. I guess it's because our port numberis higher than 32,000, and as I saw at this...
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    We don't have license for V2012 but only for...

    We don't have license for V2012 but only for V2010.
    Wasn't this issue been resolved at V2010?
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    Fail to send a TTL signal due to port number

    I'm using DirectRT 2010.2.103.115, and cannot send TTL to my Mindware system because a problem with the port number.
    Operation system: Windows 7, 64 bit.
    My parallel port number is 57,360 and it...
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    working with a Tobii TX300 and dRT

    Hi!

    We have just purchased the machine above and we would really like to be able to work with dRT (we have 5 licenses) for eyetracking pruposes. We do have an extension for Matlab and Eprime but...
  5. Making stimuli disappear only when the 'correct' answer is given

    Hi,

    I'm trying to build an experiment and need to check if I can achieve what I need with DirectRT.
    At my experiment a stimuli is shown and participants should press one of 4 keys. One of those...
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    Hebrew list file (case 22080)

    Hi,
    I made a list file (TXT) of words in Hebrew (with the ~ sign of curse) from which the DirectRT should pick a random word and present it. Unfortunately there seems to be an encoding problem and...
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    Complex permanent background

    Hi,
    I want to have an experiment in which a yellow rectangle appear constantly in the middle of a black screen, and some little stimulus are showing inside the rectangle at 4 different locations at...
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    Soooo Mac or no Mac? (case 6526)

    Hello!

    Just got a fancy new i7 macbook pro and bootcamp 3 on it + windows 7. dRT works fine on our intel macs with bootcamp and XP but unfortunately i get the dreaded "can't identify refresh...
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    that would be one option...

    how about "automatic" eye movements as triggers? e.g., if a participant saccades to a prespecified location on the screen then X follows.

    SCR info, even imaging data (but that would be very...
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    "biofeedback" capability

    wouldn't it be great if the new version could display stimuli based on a participants automatic responses (e.g., saccades or SCR)?

    probably would make dRT more attractive to commercial users...
  11. Further localization of the problem: BGR doesn't work for some reason

    Hiya. I'm attaching a simplfied data file. Apparently it wasn't my fancy stuff that killed BGR as even this version doesn't randomize. Ideas?

    Baruch
  12. problem with between block randomization when using the "display former stim" func

    Hi!

    I am using the 2008 version. I need to re display a stimulus for a participant for her/him to judge whether it is familiar or not. between the judgements she performs a second distractor task...
  13. Nice! (but not there, yet...)

    This seems like a nice sollution but i still have some issues - i need to randomize my trials, so where does dRT go when >-5 for example is stated? does it go to the 5 order trial (after...
  14. How about "else" as incorrect response in rt:text items

    anyway to work this?
    can't specify all incorrect responses as they are virtually infinate. all i want to do is give incorrect (but not correct) feedback to an open ended response.

    best,
    baruch
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    exactly!

    exactly!!!
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    "to slow" feedback kills rest of trial

    Hi. well i want to give Ps feedback when their responses are too slow but:
    1. i would like to collect their responses even for these trials
    2. i have compound screens and, suprisingly, following...
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    Off-time presentation times

    We have tested the log files beforehand. The problem isn't that our system cannot produce the requested presentation times - it can. The problem is that it does so irregularly (~30% of the...
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    trouble with subliminal presentation times

    [edited by moderator]
    i have just completed running an experiment that involves subliminal priming. when reviewing the log files i found that, for about 30% of the participants, some stimuli were...
  19. Thread: Arabic

    by baruche
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    Arabic

    Hi. we are attempting to run a semantic priming task with arabic words as subliminal stimuli. very simple, presentation of a word with a backward and forward masks. but it seems that both the CSV...
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    now it does and it works with the response box...

    now it does and it works with the response box too. (somehow i had commas inserted in the file).
    thanks for all your help.
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    response box 3

    we are getting there! i looked at your sample file and the problem was that i hadn't included a calibration (first trial) ttl signal.
    i am left with one final problem -- allthough the data file...
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    response box 3

    ok. we connected the problematic bit (248) to a potentially free bit (112) BUT after the instructions screen,that is on the presentation of the first -- to be respoded to stimuli -- we get a very...
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    response box-2

    yeh. it seems that the session works. i figured the problem was with the codes. so how can we solve it?
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    problem with response box

    [edited by moderator]
    I am trying to use a response box which connects to LPT1. DirectRT recognizes the box and gives me the following codes:

    104, 88, 248 and 56.

    However, when I run the...
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    still won't run.

    i have version 2004.3.0.27. and i tried without deleting the styles file. still won't budge.
    thanks.
    baruch
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    doesn't run here

    well -- subject number window opens, i type it and... nothing happens.
    but DRT is running (as indicated by task manager).
    baruch
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    the "pesky" triangle

    [edited by moderator]
    in some of my experiments such a triangle appeared -- only larger-- instead of the actual stimuli. also, in some experiments, the windows tool bar (with time and all...)...
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    Input file won't run

    hi. i'm finding it impossible to run this dRT file. it may be due to my rust but i really can't find whats wrong with it.
    cheers,
    baruch
  29. Thread: e-prime

    by baruche
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    e-prime

    is it possible to activate e-prime via medialab?
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    zipped auditory probes file

    Attached is a fair quality ~10min .WAV file with around 300 short auditory probes, ISI 1sec. can run in the background of any ML program if placed as "backsound" in the relevant questionare (Jarvis's...
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    yes i can. thanks

    yes i can. thanks
  32. changing features of Participant's represented response

    hi,
    i am using youre nice <> feature for probing P's on their former responses. the thing is we embed their response in a question phrase and (as it is a "presonal code") it look as if it is part of...
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    so are we stuck?

    actually i dont need the Ps responses as i am recording them with an external thingi -- but i really do need short ISI (up to 1 sec) is it possible?
    baruch
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    controlling probe times

    attached one questionare and the probe file.
    baruch
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    controlling timing of auditory probes

    hi to the jarvis team,
    1.i built a ML experiment using the probe file. not bad...but it seems that changing the values in the range collumn has no effect on when the probes will appear. they allways...
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    voice response to probes?

    wouldn't it be nice if, instead of a keyboard response, subjects could respond via mike? yes it would!

    so, what do you say Dr. jarvis?

    baruch
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    Slider in version 2004?

    Hiya,
    I am one of your older clients and still using the 2004 version.
    i really need the slider option so Ps could respond to own responses via slider -- but it seems that in the old version it...
  38. save voice response but clear stimulus immediately

    [edited by moderator]

    how do i record a) subjects time of voice response and b) the full voice response while
    the responded-to stimuli disappears immediately after voice response begins....
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