• In a multiple-choice grid question, exactly one category must be chosen for each value.
• By default, "MultipleChoiceGrid" question interfaces use a grid of radio buttons for selection.

• In QuestionInterface ["MultipleChoiceGrid",props], props is an Association that supports the following keys:
• "Prompt" None text asking the user a question
  "Choices" required values available for selection
  "Categories" required classifications available for selection

• "MultipleChoiceGrid" is the automatically assigned interface type for an AssessmentFunction of the form AssessmentFunction [{k₁<|"Category"c₁|>k₂<|"Category"c₂|>…},<|"ElementwiseAssessment"True |>].

Basic Examples  (2)

Scope  (1)