JATOS

Contact owners and managers

1–30 of 167

Welcome to JATOS' (Just Another Tool for Online Studies)' group!

Here you can get in touch with the developers, ask a question by writing a new Topic, or search existing topics for previously asked questions

If you found a bug or have a suggestion to improve JATOS, you can also write it directly as a Github issue

0 selected

Thi Atze, … jessica...@gmail.com3

Mar 26

Hi Jatos Team,

Hi Kristian, Thanks for your answer! We are using JATOS 3.8.2. Before that we were using version 3.3.

unread,

Hi Jatos Team,

Hi Kristian, Thanks for your answer! We are using JATOS 3.8.2. Before that we were using version 3.3.

Mar 26

Alex Nieva, … Kristian Lange5

Feb 7

JATOS 3.6.1 studies log admin export

Hi Alex, you could use the endpoint that JATOS' GUI is using: /jatos/status, but to make this

unread,

JATOS 3.6.1 studies log admin export

Hi Alex, you could use the endpoint that JATOS' GUI is using: /jatos/status, but to make this

Feb 7

Giulia Melis, Elisa Filevich6

4/7/23

Prolific ID in URL parameters

Hi Giulia, So my question is, why can't I see the three A3 data or even the columns (even empty

unread,

Prolific ID in URL parameters

Hi Giulia, So my question is, why can't I see the three A3 data or even the columns (even empty

4/7/23

김민영, Kristian Lange4

3/31/23

Questions for saving data

Hi Kim, I just tried your code and it submits some result data with me. I tried it on my local JATOS

unread,

Questions for saving data

Hi Kim, I just tried your code and it submits some result data with me. I tried it on my local JATOS

3/31/23

María da Fonseca

2/15/23

link for users

Hi Jatos Team! How are you? I have already finished the code of my experiment using jatos with 8

unread,

link for users

Hi Jatos Team! How are you? I have already finished the code of my experiment using jatos with 8

2/15/23

María da Fonseca

1/3/23

jatos with react

Hi jatos team, I would like to run react code using jatos. At first: Do you have an example study

unread,

jatos with react

Hi jatos team, I would like to run react code using jatos. At first: Do you have an example study

1/3/23

Shengchuang Feng, Kristian Lange3

7/25/22

How to simulate certain number of workers doing a task at the same time?

Thank you Kristian! Sheng On Tuesday, July 26, 2022 at 4:10:45 AM UTC+8 Kristian Lange wrote: Hi

unread,

How to simulate certain number of workers doing a task at the same time?

Thank you Kristian! Sheng On Tuesday, July 26, 2022 at 4:10:45 AM UTC+8 Kristian Lange wrote: Hi

7/25/22

Shengchuang Feng, Kristian Lange5

7/17/22

Questions about AWS EC2 server specs

Thank you Kristian for all your valuable suggestions! I have an issue after using Apache and SSL

unread,

Questions about AWS EC2 server specs

Thank you Kristian for all your valuable suggestions! I have an issue after using Apache and SSL

7/17/22

Krzysztof Hanusz, Kristian Lange2

6/9/22

JATOS error: service not available at random

Hi Krzysztof, My first guess is that the server is overloaded, especially since you can't use SSH

unread,

JATOS error: service not available at random

Hi Krzysztof, My first guess is that the server is overloaded, especially since you can't use SSH

6/9/22

mtn...@gmail.com, Kristian Lange8

2/15/22

Results exceed 5MB

Can't believe I missed it 🤦‍♂️ Thanks! On Tue, Feb 15, 2022 at 1:09 PM Kristian Lange <lange.

unread,

Results exceed 5MB

Can't believe I missed it 🤦‍♂️ Thanks! On Tue, Feb 15, 2022 at 1:09 PM Kristian Lange <lange.

2/15/22

beckyann...@gmail.com, Kristian Lange3

7/26/21

image caching issues

Hi Kristian, Thanks very much for looking into this and for explaining how to set it up. Much

unread,

image caching issues

Hi Kristian, Thanks very much for looking into this and for explaining how to set it up. Much

7/26/21

beckyann...@gmail.com, … Elisa Filevich9

6/15/21

Component result data says 'none' but state is FINISHED

No problem Kristian! And yes, I think the fact that the component has the FINISHED state is what was

unread,

Component result data says 'none' but state is FINISHED

No problem Kristian! And yes, I think the fact that the component has the FINISHED state is what was

6/15/21

K Mou, Elisa Filevich8

4/15/21

Problem importing JQuery study

Hi Karolina, Ah, I see. The short answer is I can't help you. The long answer includes some

unread,

Problem importing JQuery study

Hi Karolina, Ah, I see. The short answer is I can't help you. The long answer includes some

4/15/21

mtn...@gmail.com, Kristian Lange4

3/19/21

mindProbe server data saving issue

Strange, I still can't reproduce it on my side. Can you then make me a user of your study on

unread,

mindProbe server data saving issue

Strange, I still can't reproduce it on my side. Can you then make me a user of your study on

3/19/21

Gabriele Russo, Kristian Lange2

3/17/21

JATOS v3.5.9 issue

Hi Gabriele, That's strange, I tried with OSWeb as with other frameworks before releasing and it

unread,

JATOS v3.5.9 issue

Hi Gabriele, That's strange, I tried with OSWeb as with other frameworks before releasing and it

3/17/21

Danielle Gershman, Elisa Filevich2

3/9/21

Question about Retrieving Data

Hi Danielle, This depends on how your JavaScript is written. If you used a toolbox like OSWeb, that

unread,

Question about Retrieving Data

Hi Danielle, This depends on how your JavaScript is written. If you used a toolbox like OSWeb, that

3/9/21

Daniel Frazer, Elisa Filevich2

3/3/21

jatos.catchAndLogErrors is not a function

Hi, it sounds like you might be running an older jatos versión on your university's server. That

unread,

jatos.catchAndLogErrors is not a function

Hi, it sounds like you might be running an older jatos versión on your university's server. That

3/3/21

Danielle Gershman, Kristian Lange4

1/26/21

Deployment link issue

Hi Danielle, So this ngrok tunnel never worked so far. Hm. What is the output of ngrok when you start

unread,

Deployment link issue

Hi Danielle, So this ngrok tunnel never worked so far. Hm. What is the output of ngrok when you start

1/26/21

beckyann...@gmail.com, Kristian Lange6

1/25/21

Deleting other users' studies as server admin

Hi Kristian, Ok that's what I figured, but just wanted to check in case there was some magical

unread,

Deleting other users' studies as server admin

Hi Kristian, Ok that's what I figured, but just wanted to check in case there was some magical

1/25/21

Christina Lubinus, … Kristian Lange6

1/21/21

Data upload fails sometimes

> A little follow-up question - can I understand your comment to say that there is no issue with

unread,

Data upload fails sometimes

> A little follow-up question - can I understand your comment to say that there is no issue with

1/21/21

beckyann...@gmail.com, Kristian Lange3

1/20/21

v3.3.4 installation error

Hi Kristian, Thanks for your response. I'm stumped too! I'm pretty sure she tried downloading

unread,

v3.3.4 installation error

Hi Kristian, Thanks for your response. I'm stumped too! I'm pretty sure she tried downloading

1/20/21

María da Fonseca, … Kristian Lange11

1/14/21

deployment problem

Hi Kristian, The lab is trying to solve the problem (I have no access to the server). In the meantime

unread,

deployment problem

Hi Kristian, The lab is trying to solve the problem (I have no access to the server). In the meantime

1/14/21

María da Fonseca, Elisa Filevich2

1/13/21

export multiple results as single files

Hi María, sorry, no. The only way to get individual files is to select them individually. I often

unread,

export multiple results as single files

Hi María, sorry, no. The only way to get individual files is to select them individually. I often

1/13/21

Danielle Gershman, Elisa Filevich2

12/16/20

Getting Results from a .txt File

Hi Danielle, I don't know the format of the information in your .txt file. It might be json

unread,

Getting Results from a .txt File

Hi Danielle, I don't know the format of the information in your .txt file. It might be json

12/16/20

Julius Fenn, Elisa Filevich2

12/13/20

server does not record the data of the dropouts?

Hi Julius, I'm not too familiar with the details of lab.js but I suspect this doesn't have to

unread,

server does not record the data of the dropouts?

Hi Julius, I'm not too familiar with the details of lab.js but I suspect this doesn't have to

12/13/20

Adam, Elisa Filevich4

12/2/20

Making JATOS experiment compatible with cellphones (Iphone, Android).

Hi Adam, I understand now. You seem to be running JATOS locally. That means that you've started

unread,

Making JATOS experiment compatible with cellphones (Iphone, Android).

Hi Adam, I understand now. You seem to be running JATOS locally. That means that you've started

12/2/20

María da Fonseca

11/12/20

deployment: problem loading images

Hi Elisa and Kristian, Finally, I am deploying the exp and experiencing a problem loading stimuli

unread,

deployment: problem loading images

Hi Elisa and Kristian, Finally, I am deploying the exp and experiencing a problem loading stimuli

11/12/20

María da Fonseca, Elisa Filevich10

11/9/20

control session variables - longitudinal studies

Thanks, Elisa! It worked for me too. The idea behind using jatos.batchSession.defined was because,

unread,

control session variables - longitudinal studies

Thanks, Elisa! It worked for me too. The idea behind using jatos.batchSession.defined was because,

11/9/20

María da Fonseca, Elisa Filevich2

11/8/20

forbidden zoom in or out

Hi María, This and your other question are bot related to JavaScript. What are you using to display

unread,

forbidden zoom in or out

Hi María, This and your other question are bot related to JavaScript. What are you using to display

11/8/20

María da Fonseca, Elisa Filevich2

11/8/20

limited IDs in survey

Hi María, The quick answer is we don't know, you would have to check the docs of the survey

unread,

limited IDs in survey

Hi María, The quick answer is we don't know, you would have to check the docs of the survey

11/8/20