Checks user input from the matrix widget to see if it is scorable.
Note: The matrix widget cannot do much validation without the Scoring Data because of its use of KhanAnswerTypes as a core part of scoring.
scoreMatrix() for more details.
scoreMatrix()
Checks user input from the matrix widget to see if it is scorable.
Note: The matrix widget cannot do much validation without the Scoring Data because of its use of KhanAnswerTypes as a core part of scoring.