Google-drive – Group file responses from Google Forms into individual folders per submission

We have also seen some inconsistencies re. sharing of folders/documents not with groups but with all attached to our domain. Have you tried sending the group a link to the parent folder? When the link is clicked on it may then make that folder and its children visible to the group under "Folders Shared with Me".

Still don't have a solution for how to directly get values of unchecked checkboxes, but I was at least able to write a function that compares the correct answer to the submission.

This splits the correct answer into an array then compares each item to the submission:

function checkAnswer(answer, key) {
var kArray = key.split(', ');
var nArray = [];
for (i=0; i<kArray.length; i++) {
    if (answer.indexOf(kArray[i]) == -1) {
        nArray.push(kArray[i]);
    }
}
return nArray.join(", ");
}

Then I could call it every time I needed to report the boxes left unchecked. For example, with the doors question:

if (doors != correctDoors) {
  var doorsMessage = "Unlocked: " + checkAnswer(doors, correctDoors);
  report.push(doorsMessage);
}

At the end, I'll compile the report with:

report.join("\n"); 

And voila! The best I could do...

Ultimately, I'm still looking for how to directly get the unchecked boxes if anyone has a solution.