Published by Neurorehabilitation and Brain Research Group

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Why should I report an Issue with Continuous Attention Test?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Neurorehabilitation and Brain Research Group to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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About Continuous Attention Test

1. The test, inspired in the second version of the Conners Continuous Performance Test, requires users to press on the screen as fast as possible when a letter appears, unless the letter is “X”.

2. This test assesses inattentiveness, impulsivity, sustained attention, and vigilance, and provides information that can be useful to diagnose impairments related to attention.

3. Letters appear at different time intervals (1, 2, and 3 s) for 15 minutes.

4. After the assessment, the test provides different continuous attention-derived measures, such as omissions, commissions, and reaction time along the evaluation.

Continuous Attention Test Customer Insights

1. Basic error really.Tap the screen except when you see the letter "?"... The next button covers the letter im supposed to be looking for so I cant read the full instructions.

2. What the hell those figures even mean? No matter if the figures are accurate or not they do not even remark about ones performance in the test which feels like you have wasted all your time.

3. Good Start! Nice Test with option to control sound and vibration Can you please add the following: 1.

4. Or it could give some indication of the chances of you having ADHD (I myself am being tested tomorrow).The 'next' arrow covers the place where it tells me what letter to not tap.

5. Also, it could start by announcing that the test takes almost 15 minutes to complete.

6. Also, it often failed to register touches - my phone works just fine.This isn't a complete app for average people, I don't think more than 80% of people who have downloaded this would understand this app.

7. Can be made a lot better.Silly app, it's meant to be testing you on your ability to react to a letter but the actual letter is hidden under UI so you don't know what it is.

8. Also user info not avbl in attachment is it because I clicked on Test.

9. The test could say things like if you're average, above average or below average.

10. Option for test duration say 5 min, 10 min, 15 min, etc 2.

11. It's dissapointing to have done the test for what felt like no reason.

Steps to Troubleshoot & Fix Continuous Attention Test Issues

1. Fix Continuous Attention Test Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Continuous Attention Test: Restarting the app will resolve most errors.
  2. Update the Continuous Attention Test App. Here is how:
    1. On Android goto PlayStore » Search for "Continuous Attention Test" » Open Continuous Attention Test » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Continuous Attention Test » click "UPDATE".
  3. Clear Continuous Attention Test app cache: Clearing cached data will force your app to retrieve the latest data directly from Continuous Attention Test servers.
    1. On Android, goto Settings » Apps » Select "Continuous Attention Test" » click Storage » click "Clear Cache".
  4. Check Continuous Attention Test app permissions. If any of these permissions required to use your device's features are disenabled, Continuous Attention Test might not work.
  5. Uninstall and reinstall Continuous Attention Test. If nothing else has worked, completely uninstall Continuous Attention Test then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Continuous Attention Test not working


2. Fix Continuous Attention Test Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Continuous Attention Test be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Continuous Attention Test not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Continuous Attention Test may not be able to connect to the Internet when running in the background.

Reported Issues