Group items tagged

a learning object is defined as any entity, digital or non-digital, that may be used for learning, education or training. IEEE

ork on metadata and learning object packaging

cohesion

ke any learning object and provide a 'wrapper' around this object

learning object is thus 'packaged' in a standard container format

learning objects must be developed with potential reuse, and especially repurposing in mind. The principal aim of this paper is to explore and delineate principles underlying authoring for reuse and repurposing.

taxonomy

This mapping suggests that each learning object should be based on one learning objective or clear learning goal.

The principle of cohesion, however, indicates that there should be a separate learning object for each type of loop. An immediate advantage is that the tutor can select the order in which these learning objects are combined. A tutor dealing with experienced student may wish to deal with these in sequence; another tutor with a different group of students may intersperse these learning objects with object dealing with other features of the language.

the principle of 'de-coupling', or more accurately minimised coupling.

unit (software module/learning object) should have minimal bindings to other units.

independently of the other (

The learning object should, as far as possible, be free standing.

adaptation

The challenge is to maintain this richness in a system composed of reusable components.

We must face the challenge of creating learning objects that are cohesive, decoupled and pedagogically rich. This design challenge is associated with the issue of 'repurposability' as we might expect rich learning objects to provide further options for adaptation by local tutors.

n the Java language

The project involves intervention in syllabus development, the social organisation of learning and the introduction of new eLearning materials. The eLearning resources are being based on the authoring of rich, reusable learning objects. This development provides the focus for the present discussion.

The learning objects are being developed both to meet immediate pedagogical needs and to serve this larger goal. This produces extra pressure initially. However, it provides the potential to divide the eventual task among a number of contributing partners, exploiting considerable advantages of scale.

A key challenge for the project is to resolve the tensions in a creative and productive way.

A compound object consists of two or more independent learning objects that are linked to create the compound.

A further important feature is that each simple component object can be reused independently.

They thus provide a basis for pedagogical richness that fully exploits the opportunities offered by the technology.

manage the bindings between one object and others

they should be able to reconfigure this to shape their own compound object.

main types of binding: navigational bindings through URLs and non-URL based content bindings. This design pattern deals with the issue of URL based bindings.

we must have a design mechanism for managing these bindings.

learning object consists of a core and zero or more expansions. A default object is presented with the core with certain expansions added. These expansions aim to provide added pedagogical value to help in attaining the learning objective.

the relationship between learning objects and the syllabus, course or other higher organising structure in which they are delivered.

the syllabus navigation structure operates at a different layer of organisation for the learning object resources

. These syllabi objects operate at a different layer from that of main content objects

The key message is the need to establish distinct layers of organisation in eLearning

The central challenge is to design for reuse and repurposing.