oTree help & discussion

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May 15

Additional API Endpoints

Hello Chris, I was wondering if it would be possible to add additional API endpoints for getting the

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Additional API Endpoints

Hello Chris, I was wondering if it would be possible to add additional API endpoints for getting the

May 15

Itamar Bellaiche, Chris @ oTree4

May 15

Video not showing on Safari

Hi Chris and everyone, It tried many different things, and eventually what worked for me is using the

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Video not showing on Safari

Hi Chris and everyone, It tried many different things, and eventually what worked for me is using the

May 15

Christian König gen. Kersting, … Chris @ oTree6

May 15

Time on first page / epoch_time recorded on page submission?

(Actually disregard my previous post; I was mistaken about timezones in Europe.) On Wednesday, May 12

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Time on first page / epoch_time recorded on page submission?

(Actually disregard my previous post; I was mistaken about timezones in Europe.) On Wednesday, May 12

May 15

rumen k, … Chris @ oTree7

May 15

Reappearance of the "next_button" after a time period

Hi, it finally works! Here is the working code: <script> window.onload = function () {

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Reappearance of the "next_button" after a time period

Hi, it finally works! Here is the working code: <script> window.onload = function () {

May 15

Valery Pavlov, Chris @ oTree9

May 15

Failed to create session: Textual column expression 'id' should be explicitly declared

Ok good. In the past I recall there would be an error if any wrong versions were installed. I might

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Failed to create session: Textual column expression 'id' should be explicitly declared

Ok good. In the past I recall there would be an error if any wrong versions were installed. I might

May 15

Eva, … Chris @ oTree5

May 15

For some reason your database is read-only. Maybe this could happen if you have exceeded Heroku's

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For some reason your database is read-only. Maybe this could happen if you have exceeded Heroku's

May 15

Luca, … Chris @ oTree19

May 14

Back Button Navbar Solution

Did you try renaming data-toggle to data-bs-toggle in the code? On Thursday, May 13, 2021 at 8:25:32

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Back Button Navbar Solution

Did you try renaming data-toggle to data-bs-toggle in the code? On Thursday, May 13, 2021 at 8:25:32

May 14

xinghu...@barcelonagse.eu, Chris @ oTree3

May 14

Image not displayed with heroku server

Both PNG and png are fine for oTree. This sounds like an issue with git, which sometimes does

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Image not displayed with heroku server

Both PNG and png are fine for oTree. This sounds like an issue with git, which sometimes does

May 14

Daniel Frey, Chris @ oTree2

May 14

error_message in Debug info when customizing formfields

Good catch, I thought I had updated that but apparently not. The fix will be in the next release,

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error_message in Debug info when customizing formfields

Good catch, I thought I had updated that but apparently not. The fix will be in the next release,

May 14

May 14

Assigning specific roles in online experiments

Hello Chris and community I am trying to program an experiment for Mturk that relies on the strategy

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Assigning specific roles in online experiments

Hello Chris and community I am trying to program an experiment for Mturk that relies on the strategy

May 14

Huanren Zhang, Chris @ oTree4

May 13

ExtraModel does not initialize...

That's how it's supposed to work. if you want to get only the objects in the current session,

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ExtraModel does not initialize...

That's how it's supposed to work. if you want to get only the objects in the current session,

May 13

Martina Testori, … Matthieu9

May 13

debug off personal server

Hello, I am currently having the exact same issue. Everything is fine in debug mode, but I get this

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debug off personal server

Hello, I am currently having the exact same issue. Everything is fine in debug mode, but I get this

May 13

Rok, Chris @ oTree3

May 13

REST Api - status of 403 (Forbidden)

Hm, those are actually very good points. I guess I'm making a mini oTree api - api. :) Thanks,

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REST Api - status of 403 (Forbidden)

Hm, those are actually very good points. I guess I'm making a mini oTree api - api. :) Thanks,

May 13

Irtaza Ali Ajmal

May 13

Error with "Otree_Production"

Hello, I've a problem with debugging. When I debug the code in setting, it gives me an error and

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Error with "Otree_Production"

Hello, I've a problem with debugging. When I debug the code in setting, it gives me an error and

May 13

Anwesha Bandyopadhyay

May 13

Hi there, I am new to oTree. Just have a quick question. Instead of downloading Python as mentioned

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Hi there, I am new to oTree. Just have a quick question. Instead of downloading Python as mentioned

May 13

May 12

Waitpage grouping with check for dropouts afterwards

Hi all, I tried to find an answer to my problem among all the waitpage/dropout posts, but I couldn

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Waitpage grouping with check for dropouts afterwards

Hi all, I tried to find an answer to my problem among all the waitpage/dropout posts, but I couldn

May 12

Anne Kielmann, Chris @ oTree4

May 12

Problem with "advance slowest user" when using devserver

Thank you! Chris @ oTree schrieb am Dienstag, 11. Mai 2021 um 14:32:19 UTC+2: When you load the admin

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Problem with "advance slowest user" when using devserver

Thank you! Chris @ oTree schrieb am Dienstag, 11. Mai 2021 um 14:32:19 UTC+2: When you load the admin

May 12

dklin...@gmail.com

May 11

"this field is required" error with raw html widget

Hi, I have a task in which the subject can increase or decrease the payoff of another subject. For

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"this field is required" error with raw html widget

Hi, I have a task in which the subject can increase or decrease the payoff of another subject. For

May 11

May 11

Client setup - supported browsers/requirements?

Hello all, I have tried searching on https://otree.readthedocs.io/en/latest/ and see advice on the

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Client setup - supported browsers/requirements?

Hello all, I have tried searching on https://otree.readthedocs.io/en/latest/ and see advice on the

May 11

Chris @ oTree, … Alexander13

May 11

oTree 3.3 released

Hi, see inline: On Tuesday, May 11, 2021 at 7:36:38 PM UTC+8 erto...@gmail.com wrote: Hi Chris, To

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oTree 3.3 released

Hi, see inline: On Tuesday, May 11, 2021 at 7:36:38 PM UTC+8 erto...@gmail.com wrote: Hi Chris, To

May 11

May 11

OTree Hub Configure

Dear all, I want to run a pilot session with only 6 participants on Prolific. In OtreeHub, I have the

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OTree Hub Configure

Dear all, I want to run a pilot session with only 6 participants on Prolific. In OtreeHub, I have the

May 11

Matteo Ploner, Chris @ oTree5

May 11

oTree5 and localization

Hi Chris, I updated and it works! Thank you very much, Matteo On Tuesday, May 11, 2021 at 1:15:18 PM

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oTree5 and localization

Hi Chris, I updated and it works! Thank you very much, Matteo On Tuesday, May 11, 2021 at 1:15:18 PM

May 11

Katy Tabero, Chris @ oTree3

May 11

Code Efficiency Advice - Time Out Errors

Hi Chris, I have taken a look at the documents and it looks like it could be useful, however I am not

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Code Efficiency Advice - Time Out Errors

Hi Chris, I have taken a look at the documents and it looks like it could be useful, however I am not

May 11

krish...@gmail.com, Chris @ oTree2

May 11

Quotas for randomization into treatments

You can keep track of these quotas with session fields (or participant fields). each time a

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Quotas for randomization into treatments

You can keep track of these quotas with session fields (or participant fields). each time a

May 11

Xperia Tipo, Chris @ oTree2

May 11

creating_session in no-self

See here: https://www.otree.org/newformat.html in no-self, there are no methods on Subsession/Player/

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creating_session in no-self

See here: https://www.otree.org/newformat.html in no-self, there are no methods on Subsession/Player/

May 11

Frederik Lau Rasmussen, Chris @ oTree2

May 11

Maximum timer spent in app

See here: https://otree.readthedocs.io/en/latest/timeouts.html#timeouts-that-span-multiple-pages Also

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Maximum timer spent in app

See here: https://otree.readthedocs.io/en/latest/timeouts.html#timeouts-that-span-multiple-pages Also

May 11

Lukas von Flüe, … Nicole Voss8

May 10

hide next button until video finished

Aiste, were you able to figure out how to make this work with an iFrame video? I'm thinking that

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hide next button until video finished

Aiste, were you able to figure out how to make this work with an iFrame video? I'm thinking that

May 10

Luu Arroyo, … Chris @ oTree9

May 10

Page times data

The instructions are inside that file. Sent from my phone On May 11, 2021, at 1:01 AM, ctttdaisy <

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Page times data

The instructions are inside that file. Sent from my phone On May 11, 2021, at 1:01 AM, ctttdaisy <

May 10

Chi Trieu, … dklin...@gmail.com3

May 10

Retrieve variables from "slider" html

Hi, I wanted to follow up on this question, since I'm facing a similar one. Was there a way to

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Retrieve variables from "slider" html

Hi, I wanted to follow up on this question, since I'm facing a similar one. Was there a way to

May 10

famehs...@gmail.com

May 10

Same type through the apps

Dear all, I wanted to ask a small question about fixed_id_in_group. I will have 20 subjects in a

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Same type through the apps

Dear all, I wanted to ask a small question about fixed_id_in_group. I will have 20 subjects in a

May 10

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