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1. INTRODUCTION .............................................................................................1

1.1. INTRODUCTION.......................................................................................1

1.2. MOTIVATION............................................................................................1

1.3. OBJECTIVES..............................................................................................2

1.4. APPROACH................................................................................................3

1.5. DOCUMENT STRUCTURE......................................................................4

2. BACKGROUND................................................................................................6

2.1. INTRODUCTION.......................................................................................6

2.2. PEDAGOGY ...............................................................................................7

2.3. LEARNING STYLES.................................................................................7

2.3.1 Concepts..............................................................................................7

2.3.2 Benefits................................................................................................8

2.3.3 The Sensory Intake of Information Approach......................................9

2.4. ASSESSMENT..........................................................................................10

2.5. LEARNING AND THE WORLD WIDE WEB .......................................11

2.6. LIMITATIONS.........................................................................................13

2.7. DESIGNING ONLINE LEARNING ENVIRONMENTS.......................14

2.8. ADAPTIVE HYPERMEDIA ....................................................................15

2.8.1 Adaptive Hypermedia Systems...........................................................15

2.8.2 User Profili ng....................................................................................17

2.9. SUMMARY ..............................................................................................17

3. EDUCATION ON THE WORLD WIDE WEB ...........................................19

3.1. INTRODUCTION.....................................................................................19

3.2. WEB-BASED LEARNING ENVIRONMENTS......................................21

3.2.1 Virtual Study Centre..........................................................................21

3.2.2 Scoop.................................................................................................21

3.2.3 TopClass............................................................................................22

3.2.4 WebCT...............................................................................................23

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3.2.5 David Thornton’s Learning Environment .........................................24

3.2.6 Courseware on the fly........................................................................25

3.2.7 Discussion..........................................................................................25

3.3. TEACHING MATHEMATICS ON THE WEB.......................................27

3.3.1 Web sites for Trigonometry ...............................................................28

3.3.2 CONCLUDING REMARKS...............................................................30

4. DESIGN............................................................................................................31

4.1. INTRODUCTION.....................................................................................31

4.2. REQUIREMENTS....................................................................................31

4.3. ARCHITECTURE.....................................................................................33

4.3.1 User Profili ng....................................................................................34

4.3.2 Course Structure................................................................................39

4.3.3 Assessment .........................................................................................40

4.3.4 Course Creation Interface.................................................................41

4.4. DATABASE DESIGN ..............................................................................41

4.4.1 User Profili ng....................................................................................45

4.4.2 Instructional Material .......................................................................45

4.4.3 Assessment Material ..........................................................................46

4.5. SUMMARY ..............................................................................................46

5. IMPLEMENTATION.....................................................................................48

5.1. INTRODUCTION.....................................................................................48

5.2. TECHNOLOGY ........................................................................................48

5.3. DATABASE ORGANISATION...............................................................48

5.4. ARCHITECTURE.....................................................................................49

5.4.1 Servlets ..............................................................................................50

5.4.2 Course Appearance...........................................................................50

5.4.3 User Authentication...........................................................................51

5.4.4 User Profile.......................................................................................53

5.4.5 Course Contents................................................................................54

5.4.6 Assessment .........................................................................................55

5.5. SUMMARY ..............................................................................................56

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6. EVALUATION................................................................................................57

6.1. INTRODUCTION.....................................................................................57

6.2. EVALUATION METHODOLOGIES......................................................57

6.3. EVALUATION OF THE THESIS OBJECTIVES...................................58

6.3.1 Constructivists Approach ..................................................................58

6.3.2 Adaptation .........................................................................................59

6.3.3 User Profili ng....................................................................................60

6.3.4 Course Content Creation...................................................................61

6.4. SUMMARY ..............................................................................................61

7. CONCLUSIONS..............................................................................................62

7.1. INTRODUCTION.....................................................................................62

7.2. THEORY OVERVIEW.............................................................................62

7.3. SYSTEM OVERVIEW .............................................................................62

7.4. IMPROVEMENTS - FUTURE WORK ...................................................64

7.5. CONCLUSIONS.......................................................................................65

APPENDICES..........................................................................................................67

A. DATABASE STRUCTURE .........................................................................67

B. LIST OF SERVLETS....................................................................................71

BIBLIOGARPHY....................................................................................................74

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FIGURE 3.1 EVALUATION OF LEARNING ENVIRONMENTS......................................20

FIGURE 4.1 OVERVIEW OF THE SYSTEM’S ARCHITECTURE....................................34

FIGURE 4.2 USER PROFILING – SCENARIO 1..........................................................37

FIGURE 4.3 USER PROFILING – SCENARIO 2..........................................................38

FIGURE 4.2 OVERVIEW OF THE COURSE STRUCTURE ............................................39

FIGURE 4.3 DATABASE STRUCTURE AND RELATIONSHIPS ....................................45

FIGURE 5.1 SYSTEM’S WEB ARCHITECTURE..........................................................49

FIGURE 5.2 SCREENSHOT OF THE DETAILS ENTERED FOR AUTHORISATION............52

FIGURE 5.3 SCREENSHOT OF THE WELCOME PAGE ................................................52

FIGURE 5.4 SCREENSHOT OF THE PROFILE PAGE....................................................53

FIGURE 5.5 SCREENSHOT OF A PAGE WITH MATERIAL FOR A TOPIC .......................54

FIGURE 5.6 SCREENSHOT OF AN EXAMPLE TEST ....................................................56

FIGURE 6.1 AVAILABILITY OF CONTENT FOR DIFFERENT LEARNING STYLES .......60

FIGURE 7.1 SYSTEMS OVERVIEW ..........................................................................63

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3.2.7 Discussion

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5.4.5 Course Contents

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