Guenter Hilmer - Phd Thesis - Glamorgan Dspace - University of ...

4.4 TLS-Layer 4 HEAT
4.4 TLS-Layer
The second layer of the EFTECS works with the identified teaching and learning
strategies. The implementation firstly has to address the creation of the specific
EHPs within a TLS and secondly the creation, modification, removal and linking
of the different TLSs within an EM.
4.4.1 Design aspects
• Creation
During the creation of a new TLS within an EM it is important that the
EHP-information of the EM can be inherited. This inheritance sets the EHP-
information of the TLS and all its EHPs to the same values that the EHP-
information of the EM has, for example if the author has edited the domain
information of the EM, he can inherit this information for every TLS he
creates and therefore can save some work. Additionally, all the necessary
EHPs for the selected TLS need to be generated. Finally, the presentation
style of the educational content must be set. A possible adaptation of the
presentation style is not an issue at this point, but must be addressed during
the presentation phase.
• Modification
The modification of the TLS allows the changes of everything within the
TLS. This means that all the EHPs of the TLS, the presentation style can
be edited. The only exception is the selected TLS-form, which cannot be
changed at this point.
• Removal
The removal of a created TLS from the EM is possible at any given time.
However, the linking to and from the TLS is lost as well as the content of
the EHPs within the TLS.
• Linking
The linking of the TLSs is extremely important for the EM and the later
navigation of the student through the material. The linking is realised by
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