CTAT 2.12 Release Notes

What's New in CTAT 2.12

Features

• All Java widgets have been renamed. Instead of Dormin as a prefix, it's now JComm (e.g., JCommLabel, JCommChooser).
• DorminWidgets.jar is now ctat.jar
• We performed a major cleanup in our Java code, resulting in a smaller JAR file size.
• When using CTAT, the tutor type (e.g., Example-tracing or Cognitive Tutor (Jess)) is saved to and loaded from the BRD file
• New function for use in Jess matching: lhs-predict-oa (left hand side predict observable action). This can be used to improve the efficiency of slower Jess tutors. The logic tutor example has been updated to use this function.
• A new checkbox on the mass production dialog, "Table file was edited with Microsoft Excel", enables CTAT to handle Excel artifacts in tab-delimited files such as "" (two quote marks) and surrounding quotes on fields.
• The authoring tools will now warn you when you try to create a start state with no interface connected.

General Bug Fixes / Changes

• CTAT2050 – Jess 'no model' warning isn't displayed. If a graph contains a link that is not represented in the cognitive model, a No Model warning dialog no longer appears at author time when input matches that link.
• CTAT2222 – Tutor-performed actions in Jess aren't logged
• CTAT2601 – Setting skill increment values not working
• CTAT2636 – Hint requests on Java text components in Jess tutors display '-1'
• CTAT2653 – CTAT crash with out-of-order selection formulas
• CTAT2654 – Log student selection in tutor_messages. This prevents the values of complex matchers (such as the regex matcher) from showing up in the step name of logs.
• CTAT2659 – Tutoring Service ignores log parameters when logging via socket

Flash Bug Fixes / Changes

• CTAT2501 – Flash: paired tool and tutor message log different selection name for Done
• CTAT2503 – Flash: tabbing doesn’t grade text after loading next problem in same swf if success message on Done step
• CTAT2577 – Flash: Current text components do not respond to focus changes caused by clicking in other components
• CTAT2641 – Flash: CommImageButton scales hover/clicked/disabled images when scaling is set to false
• CTAT2657 – Flash: CommImageButton set to 'Image Source: Symbol' superimposes the 'Default Label' even if the image is shown

Known Issues

Java

• CTAT2314 – Skill pKnown values are cumulative at author time
• NetBeans 6.7.1: class files are deleted if all jar files required for examples are not specified. Workaround is to add all JAR files required by the examples as described here.
• The less-than sign does not display properly in CTAT’s separate hint window (but it’s fine in the integrated hint window).
• DorminPicture does not provide any feedback message to the student when a step is out of order.

Flash

• CTAT2200 – Tabbing though Flash text components resubmits student input in suppress-feedback mode
• CTAT2349 – Flash: CommCheckBox isn’t checked if ‘selected’ parameter = true. Workaround is to set a state as the start state.
• CTAT2433 – Flash: CommRadioButton isn’t “selected” in the start state
• The component-specific methods The Correct Method, The InCorrect Method, and The Reset Method do not work when Suppress Student Feedback is turned on. The solution is to use a new CommShell parameter, MonitorLog, which will receive tool_messages and tutor_messages as they are logged.
• In a Flash cognitive tutor, creating a start state no longer automatically generates working memory facts and templates for some components.
• Flash components Jumble, Multiple Selection, and Media Multiple Selection have some known issues. Contact us if you’re interested in using these components.
• Flash widgets can't be modified in Set Start State mode.
• CommCombobox does not work with some languages such as Japanese. The current workaround is to use HTML entities for these characters in these languages.

Both Flash and Java

• Inconsistent behavior when clicking on a state (CTAT2249).
• Docked windows sometimes aren't loaded on Mac (CTAT2198)
• Demonstrating a step in an unordered graph that matches an existing step does no create a new link in the graph (CTAT2210). The workaround is to temporarily change the graph to 'ordered' to demonstrate the step.
• In graphs with Suppress Student Feedback enabled, success and error-feedback messages are not displayed, but they are logged. The feedback should not be logged, since it never appeared to the student.
• Current state (a node with bold text) in an unordered graph is incorrect for Jess tutors (CTAT1927).
• The JavasrcInstaller, which is used to set up source documentation for Java functions in the Formula Wizard, does not extract sources on the Mac. To do this manually, see Installing the Formula Wizard.
• The enforceDone attribute of a behavior graph cannot be set from the CTAT user interface; it can only be set in the behavior graph XML using a text editor.