Web-based instruction has several advantages over traditional classroom learning such as reduced costs, increased accessibility, and improvements in learning. There are three levels of web use in courses - from simply posting materials online to fully online courses where students and teachers only interact via the internet. Studies show that web-based instruction can be as effective as computer-based instruction if used properly to achieve learning objectives. While still early, web-based instruction appears to be achieving a level of effectiveness comparable to computer-based instruction.

1. Evaluating of Web Based
Instruction
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2. Introduction
 Web based instructions shows an improvement over conven-
tional classroom instruction.
 Web offers many advantages such as access, flexibility, enrol-
ment and management that must be factored in when determin-
ing the overall value that the Web offers.

3. Advantages of Training
Technology
 Reduced travel cost
 Increased accessibility
 Improvements in learning
 Interactivity with students and instructors
 Individual feedback

4. Dimensions
 To make meaningful learning environment need to understand
these factors.

5. Levels of Web-Use in a course
According to the Galloway (1998) three levels of web use has been
identified.
 Level 01
Web used to post course materials but no online instruction.
 Level 02
Web is used as the medium of instruction. Every thing is posted on the
web, but teacher becomes facilitator of knowledge and guiding the
students. Student student interaction is increased.
 Level 03
Courses are offered completely online. Teachers and students interact
only over internet.

6. The effectiveness of Computer
Based Instruction (CBI)
 There are four learning outcomes
investigated
 Knowledge -student's knowledge of facts or concepts
presented
 Performance -student's skill in performing a task or
procedure
 Retention -measured the durability of learning after an
interval of no instruc-
tion
 Time to complete-how much time is taken to complete the
instruction

7. The Effectiveness of Web-Based
Instruction
 Four key features were identified from the articles published on
1996 and 2002 in order to find the effectiveness of web based
instruction.
1. The degree of interaction in the course
2. The measurement of learning
3. The experimental design used in evaluating the course
4. The content of Web use throughout the course
 But evaluations include in these studies fell into two broad
categories. One is web based instructional approaches to
conventional classroom instruction. Second is evaluations
involved the assessment of student performance and reactions
relative to a single course.

8. Comparison to CBI
 Comparing to conventional classroom instruction the learning
outcomes from conventional CBI have demonstrated effect
sizes significantly above “no significant difference.”
 If web based instruction was employed properly, and used to
archive specific learning objectives it should lead to effect sizes
that are at lease comparable to CBI.
 According to the analyses done result suggest that web based
instruction is “as good” as CBI.

9. Conclusion
 The use of the web for instruction is at an early stage of devel-
opment.
 For now it appears that web based instruction is moving to-
wards the level of effectiveness previously achieved by CBI.
 According to the findings reduce the cost of instruction by about
one third, reduce the time of instruction by about one their or in-
crease the effectiveness of instruction by one-third can be ap-
plied to web based instruction.