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sequential presentation o...
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pseudorandomization multi...
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Preview mode broken
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Cookie Error in MTurk
Forum: Study Grammar & Management
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When it takes too long th...
Forum: Platform Improvement
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150 trial limit
Forum: Study Grammar & Management
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Is there a way to present...
Forum: Experimental Design
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Questions RE: Prolific Co...
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Blank screen?
Forum: Platform Improvement
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Tokenized Text Font + Unn...
Forum: Study Grammar & Management
Last Post: Ting
11-15-2023, 06:38 PM
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branching changes |
Posted by: jwright8 - 03-13-2022, 03:57 PM - Forum: Experimental Design
- Replies (2)
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About 8-12 months ago I ran several studies that used branching. I need to run another condition now. The branching is no longer working. It seems things have changed that have resulted in my branching code to no longer work. Can someone help point out what needs to change now?
Here is the branching block:
"matchAFCblock": {
"trial_templates": ["MouseCheck1"],
"branching": {
"method": "match",
"triggers": [
{"trial_template": "MouseCheck1", "response": "MouseChoiceResponse1"}
],
"branches": {
"YesBranch": ["I have the right equipment"],
"NoBranch": ["I do not want to participate"]
}
}
},
"matchedYes": {
"trial_templates": ["YouClickedYes"]
},
"matchedNo": {
"trial_templates": ["YouClickedNo"]
},
Here is the block sequence:
"block_sequence": ["intro", "mouseintro", "headphoneintro",
"matchAFCblock", {
"NoBranch": ["matchedNo"],
"YesBranch": ["matchedYes",
"InstrBlock", "TrainBlock1", "TrainBlock2", "TrainBlock3", "TrainBlock4", "Test1Block", "Test2Block", "Test3Block", "OvertQuestionsBlock1", "OvertQuestionsBlock2", "OvertQuestionsBlock3", "LanguageBackgroundBlock"]
}
]
Thank you in advance for your help!
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trial template with no-response and required-response trials |
Posted by: bisserai - 03-08-2022, 10:31 AM - Forum: Experimental Design
- Replies (9)
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Hi FF team,
I'm trying to make an experiment in which i play audios and only collect a keypress response after some of them. To that end i've set up my procedure to show the "audio", "response" and "submit" trial templates in this sequence (last one is just a blank screen where the response is submitted). "audio" just plays the audio, and then "response" i'm not sure how to set up because i want to collect a response only on some trials. Here's what i have at the moment, where "blank1" is a blank screen for 1s and bague is an image to which i want the ppt to give a keypress response:
Code: "responses1": {
"type": "basic",
"stimuli": ["blank1", "bague", "blank1", "bague", "blank1"],
"responses": ["X","key","X","key","X"],
"auto_advance": true,
//"duration": 3,
"submission_point": false
},
So i've set up two responses: "X" and "key" the former being a key response which i don't look at and the latter a key response which i've set to be "required": true. However, unless i have my trial duration set, i don't advance from the "response" to the "submit" screen even though i have the "auto_advance":true. The duration of "blank1" is 1s, and the stimulus itself appears for 1s, but then i don't proceed to submit, because there's nothing to tell it that i want to get to the next trial. That's the case even if i press a key to give a response. When i //"responses":["X","key","X","key","X"], i get a smooth running audio presentation, response time, submit time, repeat. So it's something to do with the response, but i can't figure out what. I've tried setting the duration of the response to be the same as the stimulus by using the ,"duration": "%sgroup:group2" feature, but it didn't work.
One option i see is to leave the trial duration set, but then this needs to be overriden by the response "key" which MUST be given before the exp can proceed and i'm not able to find a way to do this (i.e. it's already set to "required":true, but that doesn't do it.)
Thanks for your help!
bissera
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Participant unable to enter study |
Posted by: [email protected] - 03-07-2022, 04:45 PM - Forum: Platform Improvement
- Replies (4)
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Hello!
I am currently collecting data and I had a participant reach out to me telling me that after reading the consent form and hitting the "participate" button they were taken to the bottom of the screen with no way to proceed to the study. They tried entering the study using both Firefox and Chrome. They are eligible for the study and were specifically included using the "allow only..." feature when setting up study sessions. I have not had any other participants contact me about this issue. Besides switching browsers, is there another way to go about helping this participant?
Thank you!
Grace
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"credit granting" |
Posted by: sten_knutsen - 02-14-2022, 11:59 AM - Forum: Platform Improvement
- Replies (2)
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Our university uses Sona Systems to manage participants. It has an "external study credit granting" feature that allows participants to be granted credit as soon as they complete an external study. On their website, Sona has instructions on how to implement this feature on many online experiment presentation platforms, but Finding Five is not listed: https://www.sona-systems.com/help/
Is there any way of implementing this feature with Finding Five?
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February Study Grammar Update - 2/14/2022 |
Posted by: Ting - 02-11-2022, 06:48 PM - Forum: New Study Grammar Features
- No Replies
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Dear Researchers,
We are excited to announce the availability of the February Study Grammar Update! FindingFive servers (US and EU) will be updated on the early morning of Monday 2/14/2022 to include the following changes:
New Features: - Carryover response - it is now possible to use participant responses collected on previous trials as stimuli in later blocks of an experiment. This feature can be especially useful for paradigms where the participant is asked to review or judge their own responses in perception or decision-making tasks.
Please refer to our new tutorial for how to use this feature.
- Extended speech recognition support - studies that use the speech recognition feature in audio responses are now open to more browsers, including Firefox and Safari on desktop or laptop computers. Previously Chrome was the only browser that participants can use for these studies.
Bug Fixes:- Fixed an issue where trials with stimuli using the barrier feature and an audio response would experience unexpected jumpiness during the trial.
- Fixed an issue where participants couldn't start a study using Firefox on an iPhone or iPad.
Improvements:- Better styling for requirement messages that participants see at the beginning of an experiment.
If you have any questions regarding this grammar update, please leave your comments below. Thanks!
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IRB and access to participant identity |
Posted by: HF2021 - 02-07-2022, 10:53 PM - Forum: Study Grammar & Management
- Replies (3)
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Hi all, Given an IRB's privacy requirements and restrictions on access to participant identity, does anyone other than collaborators on a study have access to the names of individuals who have participated in a specific study? In particular, do any Finding Five employees or administrators have such access, or is this information encrypted and only accessible by the owner's of a study and their collaborators. Thank you!
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