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MERLOT II


    

Peer Review


Cell-Tissue-Body Explorer

 

Ratings

Overall Rating:

3.33 stars
Content Quality: 3 stars
Effectiveness: 4 stars
Ease of Use: 4 stars
Reviewed: Aug 12, 2001 by Biology Editorial Board
Overview: This two frame site contains text and links that activate a series of animations and interactive modules. The Cell-Tissue-Body Explorer is an elementary exploration into a limited list of basic cell structures, cell types and organ systems. The pictures are labeled well. Some 3D animations are incorporated as well as split image animations of molecular and cellular structures and processes. These diverse digital learning objects can easily be integrated into existing lectures. A quiz that focuses on the user?s ability to drag objects about the screen in a timely fashion as well as their knowledge of the material is also provided. The website is still under development.
Target Student Population: Jr. High or High School level
Type of Material: Animation and Simulation collection
Technical Requirements: HTML, shout3d

Evaluation and Observation

Content Quality

Rating: 3 stars
Strengths:

Quality of Content: (3.0) (3.5) = 3.3




  • No defects or major bugs found.

  • The quality of most of the materials was excellent and
    the 3D effects very useful.

Concerns:

  • English grammar through out the text needs to be proof read


Potential Effectiveness as a Teaching Tool

Rating: 4 stars
Strengths:

Potential Effectiveness as a Teaching Tool: (3.5) (4.0) = 3.8




  • Each learning object can be easily incorporated into
    an instructors current presentation giving students valuable visual information

  • The ability to rotate the 3D objects is a nice feature

  • The concept of a quiz is good, however, see recommendations
    below regarding the quiz.

  • Quality of graphics and simplicity of models make the
    use of these learning objects appropriate for entry-level students.

Concerns:

  • The split-image graphics with text would be greatly enhanced
    if made into a movie click with text and audio capability

  • The quiz has limited use. The user must proceed from
    beginning to end without a choice on the material to be quizzed over (i.e.
    cellular structures, organ systems, etc.) For some of the questions the objects
    were very hard to see, thus, making it hard to drag to the appropriate locations.
    Suggest changing this to make them easier to see.


Ease of Use for Both Students and Faculty

Rating: 4 stars
Strengths:

Usability: (4.0) (4.0) = 4.0



None

Concerns:

  • The animation may progress too quickly for slow readers

  • Add operator control over the speed of the clip

  • Because of the large files the modules take some time
    to load through a modem

  • It would have been clearer to the first time user of
    the links had been in the traditional blue — it took me a while to realize
    that the black headings were also links.

  • Image list appeared to be unorganized. Perhaps categorizing
    them under "Cellular", "Tissues" and "Organ Systems"
    and then listing them alphabetically would allow a use to find them more efficiently.
    As the list gets longer, a search option would also be appropriate




Overall Rating: = 3.7