All selection, action, and input elements now have id and type
attributes (2007/7/30).
Added the following elements to the context message's <dataset> element (2007/6/28):
<conversion_date>
<converter_info>
<replay>
Added the anonFlag (Boolean)
attribute to the <meta> element's
<user_id> element, which can
indicate whether the user ID needs to be anonymized by the DataShop.
(It's default value is false, meaning
that the data have not yet been anonymized.) (2007/1/30)
Added two new possible values for the <problem> element's tutorFlag attribute: pre-test and post-test (2007/1/30).
Added new buggy attribute to the
<skill> element, indicating whether
or not the skill is a buggy skill. It's default value is false.
attempt_id renamed to context_message_id
New message type: context_message
Replaces curriculum_message
Flexible dataset hierarchy
<condition>
element
Provides information on a study condition
tutor_message
<interpretation> element
added to handle the "cognitive tutor’s idea" of what the student
was doing
<custom_field> element
added to store variables that are specific to the tutor
application.
skill has new sub-elements:
name
category
model_name
semantic_event changes:
Removed id and semantic_event_id
Replaced with transaction_id
new attribute subtype for
when additional classification of a semantic event is
required
The Andes usage example is to have a semantic_event
with the name HINT_MSG and a
subtype of DIALOG.
action_evaluation has two new
attributes:
hint_id to identify hints
that cannot be identified by their text.
classification for
classifying errors or hints. For example, hint of type BOTTOM_OUT.