"DragCategorize" (Question Interface Type)

"DragCategorize"

presents items for grouping into categories.

Details

By default, the "DragCategorize" question interfaces create a dynamic pane showing categories into which items can be dragged.

In a drag-categorize question, each item must be assigned to one category, but multiple items can be placed in each category.
In QuestionInterface["DragCategorize",props], props is an Association that supports the following keys:

"Prompt"	None	text asking the user a question
"Categories"	required	list containing categories to display
"Choices"	required	list with items to categorize
"Labels"	None	list with corresponding labels for each choice
"ChoiceStyle"	None	style to be applied to the list of choices
"DefaultZoneSize"	0.2	relative size of the interface outside of the categories

"Choices" should have the form {choice₁,choice₂,choice₃,…}.
"Categories" should have the form {category₁,category₂,category₃,…}.
If not given in props, the "Choices" and "Categories" are automatically inherited from the AssessmentFunction.

"DragCategorize" is not an automatically assigned interface type for any AssessmentFunction. It must be specified in QuestionInterface.
The AssessmentFunction will receive answers in the form AssessmentFunction[…][{ch₁cat₁,ch₂cat₂,…}]. Any assessment that accepts values of this form is supported.
When it is acceptable for the user to leave choices uncategorized, a standard AssessmentFunction structure is:
AssessmentFunction[{patt₁<|"Category"cat₁|>,patt₂<|"Category"cat₂|>,…},<|"ListAssessment""SeparatelyScoreElements"|>]

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A drag-categorize question for sorting items into groups:

A drag-categorize question with assessment performed separately on each element and allowing elements to be left uncategorized:

Create a drag-categorize question without assessment:

A drag-categorize question with labels for choices:

Create a question generator for a drag-categorize question:

Create a QuestionGenerator for a chemistry test:

By default, an AssessmentFunction does not expect a list of items:

Set "ListAssessment""SeparatelyScoreElements" to handle multiple items in the assessment:

Create an English question:

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