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Help: Missing LENA Day Data

What to do when your LENA reports seem incomplete or show the wrong date.

Here are the things to investigate. Click to jump to more detail.

  • Check your timing. Allow at least 4 hours from when Hub finishes uploading the last file.
  • In LENA Online, check the Recordings list for any child you think should have data. You may find that the child's recording is too short to report, hidden, not from the expected day, or misattributed to a different child or group.
  • Check the Hub program on the computer where the devices were processed. If any files are still Uploading, let them finish.
  • Check the devices. If they show elapsed time, they were not processed. Plug them into the LENA Hub so they can transfer their data over; then let the data upload.
  • Check for attendance, assignment, and participation.

Consider the timing.

Has it been at least 4 hours since the Hub finished uploading the data to the cloud? 

  1. Processing devices takes about 30 minutes of hands-on time per room.
  2. Uploading transferred files occurs automatically and takes 5-20 minutes per child.
  3. After upload, the next steps are automated analysis and creation of graphs. This process can take a few hours.

Process Devices_graphic

Check Recordings list for problems.

View a child's full list of recordings by clicking the Children tab, the child's name, and then the Recordings tab.

Use the details on this tab to scan for issues with duration, timing, assignment, or group association that can prevent the data from appearing on the LENA Day report as expected.

Look for short recordings.

The minimum duration for a LENA Day is 2 hours.

The Interaction Chart points out short recordings for individuals, but if no child in the room meets the minimum duration, no report is generated for that date at all.

LO_Child_Recordings_Short

Check for hidden recordings.

The Recordings list indicates which recordings are hidden and which are displayed on reports.
To maintain data integrity, LENA automatically hides recordings when:
  • Group has already been closed for some time.
  • Recording occurred weeks before the group was created.
  • Any child contributed to the group twice in a calendar week – whether accidentally or on purpose. The second day received is auto-hidden for all children.
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Usually these rules remove problem data, like accidental recordings, data that wasn't cleared before the sequence, and attempts to "make up" a LENA Day with an absent child.
In complex situations, these rules can cause real LENA Days to be hidden. 
If appropriate, the account owner can unhide real LENA Days and hide accidental ones. LENA Support is available to help investigate as needed.

⚠️ Remember to protect the feedback cycle! See here for guidance on schedule adjustments and make-ups.

Check the child's previous LENA group.

A child's Recordings list shows his or her whole history of recordings, grouped by room, with most recent at the top.

LENA Online shows a child's LENA Day on the group he child was associated with at the beginning of that day. A late move can result in data going to the wrong room. Check the previous group in the Recordings list to see if the data are there instead.

LENA Support can move the child's LENA Day to the current group – just send us the details.

Room prep

👉 Sometimes a late move can also cause recordings to be hidden!

Let's say the Toddler LENA Day is on Tuesday, and Infant is on Wednesday. If a child ages up to Toddlers but isn't moved in LENA Online in time, the Infant report will show her Tuesday data and auto-hide the real Wednesday Infant recordings.

LENA Support can help untangle these situations.

Check your LENA Hub.

Did all the transferred files finish uploading?

Remember: Computer must be on, laptop lid open, connected to Internet, not sleeping , and Windows user signed in until Hub shows 0 Uploading.

  • Open the LENA Hub where the devices were processed, and check for any files still uploading. Allow it to finish. The report will be ready 3-4 hours after uploading completes.
Hub_0Uploading

Note: Each file should upload in 20 minutes or less. Click here for problems uploading.

Check devices.

Occasionally, a device processing mistake leaves the data on the device. You may have accidentally:

  • skipped one or more devices when connecting to Hub, because it wasn't with the others.
  • disconnected devices that were still in Waiting status, not yet transferred.
  • not noticed that LENA Hub didn't respond to one or more devices.

Turn on the device for the missing child and read its status screen to see if the data is still there. Remember:

  • Paused = Empty. Either you already transferred the data, or no recording was started.
  • Paused with elapsed time = Contains a LENA Day. Connect to Hub to process.
  • Memory Full = Contains a LENA Day. Connect to Hub to process.
  • Any other message, or won't turn on = Problem that may have prevented recording and/or transfer. See device troubleshooting.
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Check with teacher about attendance, last-minute device swaps, or participation issues.

Check in with the teacher for anything unusual that may have happened, such as:

  • Child used a different device for this day.
    • If the device was not assigned at all in LENA Online, it could not be processed. Assign, then process.
    • If the device was still assigned to a different child in LENA Online when processed, the data will be reported for that child instead. Use Device Search, check Recordings list, and contact LENA Support for help moving the report.
  • No recording started, no recording to be processed because:
    • Child was absent.
    • Child refused to wear the vest.
    • Child arrived very late and they forgot to start the recording.
    • Device would not turn on or start recording.

Missing data can usually be located through one of the above checks. 

If you still believe the report is incomplete, contact LENA Support for assistance tracking down what happened. We will need:

  • Site name
  • Group name
  • Child or children missing data
  • Date of missing data