@abc.abstractmethod<EOL><INDENT>def is_assessment_based_activity(self):<DEDENT>
return<EOL>
Tests if this is an assessment based activity.

        These assessments are for learning the objective and not for
        assessing prodiciency in the objective.

        :return: ``true`` if this activity is based on assessments, ``false`` otherwise
        :rtype: ``boolean``


        *compliance: mandatory -- This method must be implemented.*