latency = 0 ... sometimes when response given


latency = 0 ... sometimes when response given

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tecnika
tecnika
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Hello, in the datafile of the experiment it looks like some latency is = 0. I send you in attachment the experiment file and the raw data. Any idea?

Thank you!
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KEYBOARD.iqx (76 views, 25.00 KB)
raw.iqdat (87 views, 19.00 KB)
Dave
Dave
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tecnika - Tuesday, July 3, 2018
Hello, in the datafile of the experiment it looks like some latency is = 0. I send you in attachment the experiment file and the raw data. Any idea?

Thank you!

Looking at the data file, the first thing that stands out is that the zero latencies alway appear to occur if the *previous* trial timed out:




That's odd and I cannot seem to reproduce it (attaching a partial data file where I deliberately let at least every other trial time out, no 0 latencies).

The second thing that stands out is that your Inquisit installation is a bit out of date (5.0.10.0). Could you please install the latest version (5.0.12.0) run the script and let me know of you're also seeing 0 latencies under that version?

Attachments
KEYBOARD_raw.iqdat (73 views, 19.00 KB)
tecnika
tecnika
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Group: Forum Members
Posts: 117, Visits: 542
Dave - Tuesday, July 3, 2018
tecnika - Tuesday, July 3, 2018
Hello, in the datafile of the experiment it looks like some latency is = 0. I send you in attachment the experiment file and the raw data. Any idea?

Thank you!

Looking at the data file, the first thing that stands out is that the zero latencies alway appear to occur if the *previous* trial timed out:




That's odd and I cannot seem to reproduce it (attaching a partial data file where I deliberately let at least every other trial time out, no 0 latencies).

The second thing that stands out is that your Inquisit installation is a bit out of date (5.0.10.0). Could you please install the latest version (5.0.12.0) run the script and let me know of you're also seeing 0 latencies under that version?

I have installed the updated version and it's running ok so far, thanks.

GO


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