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Assessment Delivery for QTI v2.1 Tests

Assessment Delivery for QTI v2.1 Tests. Jonathon Hare School of Electronics and Computer Science University of Southampton. The ASDEL Project. One of three e-assessment projects funded in the last round of JISC capital funding Sister projects aqur@te (Kingston) and minibix (Cambridge)

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Assessment Delivery for QTI v2.1 Tests

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  1. Assessment Delivery for QTI v2.1 Tests Jonathon Hare School of Electronics and Computer Science University of Southampton

  2. The ASDEL Project • One of three e-assessment projects funded in the last round of JISC capital funding • Sister projects aqur@te (Kingston) and minibix (Cambridge) • Original aim was to build an engine for the delivery of QTI v2.1 assessments • Attempts to implement all of the QTI specification with regard to the AssessmentTest class • Both adaptive and non-adaptive assessments

  3. QTIQuestion & Test Interoperability • QTI is a specification published by IMS describing a data-model for eAssessment • Designed for the representation of items and tests in an interoperable format • Enables exchange between different tools • Includes a standard xml binding to the data-model

  4. Specifically, QTI is designed to: • Provide a well documented content format for storing and exchanging items independent of the authoring tool used to create them. • Support the deployment of item banks across a wide range of learning and assessment delivery systems. • Provide a well documented content format for storing and exchanging tests independent of the test construction tool used to create them. • Support the deployment of items, item banks, and tests from diverse sources in a single learning or assessment delivery system. • Provide systems with the ability to report test results in a consistent manner.

  5. QTI Items • The QTI v2.0 specification supports many different types of interactions within a question • It’s not just for MCQ! • Questions can contain a mixture of different types of interaction • They can even be adaptive • The specification even supports free-text interactions which can be marked offline

  6. The R2Q2 project aimed to make a web-service for the rendering and responding (marking) of QTI v2.0 items. • Supports most of the item-types • Can upload and test your own items from the demo site: • http://r2q2.qtitools.org

  7. 2 • As part of the ASDEL project we have made some improvements to the original R2Q2: • Bug fixes • Improvements to the renderer, allowing control over what is output (summer student work) • New web-service interface • It’s now interoperable! • Can use any toolkit/language to interface (not just limited to java+axis1.4) • Basic MathML support

  8. The ASDEL QTItools toolset

  9. Technologies • Target platform • Java JRE 1.5 or later • Any servlet container (> v2.4) • i.e. Tomcat 5.5+ • Development environment • Java JDK 1.5 (or later) • Maven 2 • Subversion

  10. JQTI • Pure Java library for handling IMS QTI • Currently, mostly deals with classes related to AssessmentTest (i.e. those required for ASDEL) • Supports both evaluation of existing QTI xml and the creation of new xml documents • Enables interpretation and evaluation of QTI • Provides static analysis to attempt to determine correctness of QTI xml before it is evaluated, minimising runtime errors

  11. QTI documents are more than just data • Contain logic and instructions • Standard xml schema validation isn’t enough! • validatr: A QTI v2.1 validation tool and editor • Find problems in your QTI xml • Visualise adaptive tests • Edit and modify your assessment with live feedback about potential problems

  12. Demo

  13. An QTI assessment player • Presents a QTI v2.1 assessment to a candidate • Purely an “engine” - does not deal with who the candidate is, etc. • Attempts to implement all of the QTI specification with regard to the AssessmentTest class • Both adaptive and non-adaptive assessments • Highly configurable (xhtml) renderer • Web-based and desktop versions

  14. Demo

  15. A lightweight assessment delivery tool (enables tutors to schedule assessments for candidates) A lightweight online assessment authoring tool (enables tests to be assembled from groups of items from item bank)

  16. Demo

  17. Integrating Playr • Playr provides a REST-like API • Can be used to embed QTI functionality in your application regardless of programming language and environment • Example: Integration with the Moodle VLE (written in PHP): • Moodle ‘qtiplayr’ plugin - all the functionality of assessr, but integrated as a moodle activity!

  18. Demo

  19. Summary • We have built a Java library for handling QTI documents. • On top of this we have produced a suite of server-side and desktop tools for playing and delivering QTI assessments • Future Plans: • R2Q23 - powered by JQTI • Full validation of QTI items

  20. Demos Documentation Sourcecode http://www.qtitools.org http://wiki.qtitools.org http://jqti.qtitools.org/javadoc http://www.sourceforge.net/projects/qtitools

  21. Any Questions?

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