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  Change in participant grouping backend causing new error?
Posted by: CarsonGMR - 10-05-2021, 04:21 PM - Forum: Study Grammar & Management - Replies (3)

Hi,

After a summer hiatus, I checked on an experiment last week hoping to start it back up again -- when I ran it in preview mode, it seemed to work just fine. Having made no changes, this week, the preview directs me to a page saying "Sorry, but we encountered an unexpected error upon processing your request." No syntax errors or anything else pop up.

Through process of elimination, it seems like the study preview works fine if I take out the participant grouping option. Was there some kind of recent change to participant grouping that might have caused this change? Or anyone else having a similar issue?

As always, thanks for the great work FF team + community!
Carson



For example that demonstrates the issue, the original procedure looked something like this:
Code:
  "block_sequence": [
    "InstructionBlock",
    {"DomFirstSwitch":
    {"dex": ["TestingBlockR", "TestingBlockL2"],
      "sin": ["TestingBlockL", "TestingBlockR2"]},
    "DomFirstCont":
    {"dex": ["TestingBlockR", "TestingBlockR2"],
      "sin": ["TestingBlockL", "TestingBlockL2"]}
    }
  ]
 
In the above snippet, the InstructionBlock includes a question asking for handedness (dex/sin), while DomFirstCont and DomFirstSwitch are two participant groups. Code including the participant groups is directed to the error screen (after I select either DomFirstSwitch or DomFirstCont in the preview prompt to choose a group).

Code:
  "block_sequence": [
    "InstructionBlock",
    {"dex": ["TestingBlockR", "TestingBlockL2"],
      "sin": ["TestingBlockL", "TestingBlockR2"]}
  ]

After removing the participant groups, like in the above block sequence, the preview works again.

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  Unable to create new study
Posted by: sten_knutsen - 10-03-2021, 10:33 AM - Forum: Platform Improvement - Replies (2)

I am trying to create a new study, but am getting an error message "A random hiccup occurred, please try again." I've signed out of my account and back in, but still get the error. Have been attempting to create a new study for about an hour now, but still getting the message -- so it seems like this is more than a "random hiccup." Any idea what's going on?

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  duration of stimuli synced
Posted by: bisserai - 09-28-2021, 11:50 AM - Forum: Study Grammar & Management - Replies (2)

Hi FF team,

It's me again and with the same study, but facing another problem. I would like to present a fixation cross which stays on while an audio stimulus plays and once the audio finishes i'd like to have the fixation cross disappear and the response buttons appear. Everything is working except i can't get the end of the audio to trigger the fixation cross to leave the screen. I've tried using the group function, where my audios are defined like so:
{
  "type": "audio",
  "content": "V1L.wav",
  "visible": false,
  "delay": 1.5,
  "barrier": true,
  "group": "group1"
}

and my fixation cross defined like so:
{
  "type": "text",
  "content": "+",
  "size": "150px",
  "alignment": "center",
  "duration": "%sgroup:group1"
}

The trial template is defined like so:
"audioP": {
    "type": "basic",
    "stimuli": [["fixx","V1L"], ["fixx","J1R"], ["fixx","M1R"]],
    "responses" : ["v1","j1", "m1"],
    "submission_point": false,
    "stimulus_pattern": {"order": "random", "attribute": null, "pre_shuffle": false}
  },  


From a previous study where we used the group function i remember the audio had to have barrier set to false, so i also tried that, but it didn't have the desired effect so i put it back to true, since i need that to delay the appearance of my response buttons. I played around with the duration characteristic, but i didn't seem to get anything useful out of it...

Your advice will be much appreciated!

Best,
bissera

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Music How can I map keys to start/stop recording and continue?
Posted by: M. Yarkin ERgin - 09-25-2021, 03:35 PM - Forum: Study Grammar & Management - Replies (2)

Hey all, I have a study where I have a audio type response. 

Participants are displayed a single sentence as stimulus in the trial. The response doesn't have a barrier and shows up below the stimulus sentence immediately (as desired).

I've noticed that FindingFive accepts the NumLock Enter key to make the audio recording start, and the spacebar stops the recording. After the recording stops, there's the classic orange continue button. I couldn't find a key that corresponds to clicking the orange continue button.

My question is can I change the keys that start and stop the recording? Can I also map a key or keys to progress to the next trial like the spacebar?

Thank you for your attention, and apologies if something like this was already posted. I skimmed the thread titles but I couldn't see something related to this.


Oh also had a new question:

Is it possible for the trial to end and proceed to the next one as soon as the participant stops recording? (skipping clicking the continue button, or hitting a different key)

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  "No content to display at URL"
Posted by: atfrederiksen - 09-23-2021, 11:42 AM - Forum: Platform Improvement - Replies (6)

I recently launched a study. A participant let me know that they are getting this error message when they try accessing the study: There is no content to display at this URL.
I get the same error when I try to access the study through an incognito window with my participant account. However, I can see that one person has completed the study, so it is apparently possible for some. The study is encrypted, in case that matters.
What settings do I/participants need to change to get access?

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  Change color of background in trials?
Posted by: atfrederiksen - 09-15-2021, 03:08 PM - Forum: Study Grammar & Management - Replies (3)

Is there a way to change the background color of certain (video) trials? I'm running an experiment where the participants are Deaf signers, and I'm looking for a way that's not text to distinguish between different trial types. Specifically, I have video stimuli followed by a forced choice response, and every 4th of those trials is followed by a video recorded comprehension question. I would like the comprehension question trials to have, for example, a blue background.
Is that possible?

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  "Hint" feature in choice-response
Posted by: [email protected] - 09-15-2021, 01:41 PM - Forum: Experimental Design - Replies (5)

Hi Rachel! 
I just saw yesterday that there is a new feature within the choice responses that allows experiment designers to remove the hints from choice responses. I tried it out and it worked for me for one trial, but then when I ran the experiment again, it no longer stopped showing hints (I was trying this out in a dummy experiment with only one trial). I didn't change the code in my response, and this is what it looks like: 
{
  "type": "choice",
  "choices": [
    "F",
    "J"
  ],
  "key_mapping": [
    "F",
    "J"
  ],
  "target": "F",
  "key_only": true,
  "hint": false,
  "feedback": true,
  "feedback_audio": false,
  "instruction": " "
}

I also just tried running it in a new tab on Google Chrome, clearing browser cache and cookies, and creating a new response with the same code as a sort of "refresh" and it still doesn't work. I'm not sure why I'm still getting hints when I have "hint" set to false. Can you help? 
Thank you! 
Grace

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  link in link-only option
Posted by: [email protected] - 09-13-2021, 05:13 PM - Forum: Study Grammar & Management - Replies (3)

Hello,
We are trying to use the link-only option when posting the study on Mturk. The link just doesn't work. It only takes us to the intro page and won't go forward anymore. I wonder if there is any way I can make the URL link work (for testing or sent out to people for pilot runs). Thank you!

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  Full list of key map codes
Posted by: mkrishnaswamy - 09-13-2021, 11:05 AM - Forum: Study Grammar & Management - Replies (2)

For my study, I am looking to use the arrow keys, among others. I was wondering if there is a full list of key names for the key map, so that we can correctly enter the options while building responses? The experiments use letters, which are called by their symbol in caps ("A", "N", etc.)
I tried, the following, which did not work since the description of the keys was inaccurate:

Code:
{
  "type": "choice",
  "choices": [
    "%s:den1_text",
    "%s:alv1_text",
    "%s:ret1_text"
  ],
  "target": [
    "%s:den1_text"
  ],
  "locations": "fixed",
  "key_mapping": [
    "UP",
    "LEFT",
    "RIGHT"
  ],
  "key_only": true,
  "instruction": "Press the corresponding key to record your answer:",
  "font_size": "40px"
}
Thanks in advance!

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  Major Study Grammar Update 9/13
Posted by: Ting - 09-10-2021, 10:14 AM - Forum: New Study Grammar Features - No Replies

Dear Researchers,

The FindingFive Study Grammar is updated on Monday, September 13, 2021 to include the following new features, bugfixes, and other changes. 

New Features

  • FindingFive studies will now run on Android mobile browsers! Yep - that's right: you can now design your study just once and it'll run on desktops, laptops, Android phones, and Android tablets! iPhone and iPad support will be introduced in early 2022 as well.

    Not only the studies themselves can run on small screens now, most participant-facing pages (including signin, study list, single study details page) are also optimized for mobile devices. As a result, if a participant gets a link to your study, they can complete the entire participation process on a mobile device.

    Researchers will still need to design studies on a desktop or laptop, but you'll be able to preview the study on mobile devices now as well.

  • Improved pseudorandom stimulus pattern: It is now possible to assign multiple values to a custom stimulus attribute and perform
    pseudorandomization on the trial template(s) containing stimuli with this custom attribute.

  • Hide the "Press X" hint in a choice response: It is now possible to hide such a hint, which is normally displayed below the buttons, by adding "hint": false to a choice response.

  • Always show the "Response Received" confirmation at the end of a trial: It is now possible to always show this message, which by default only shows up when FindingFive is syncing participant data to the server. To manually turn this on, add "response_receipt": true to the corresponding trial templates. 
Bug fixes
  • In some cases, the keypress response did not accept key presses that are defined in a whitelist. This has now been fixed.
Other changes
  • No other notable changes in this update

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