Development of Web-Based Instruction for Review on Customizing the Worksheet and Calculate Numbers For Vocational Certificate Students

Abstract

The purposes of this research were to 1) develop Quality and performance, of WBI for Review and 2) To compare achievement of student pretest and posttest score of subjects Learning with WBI for Review .The samples used in this study were 31 vocational students in 2013 academic year, field of business computing ,Chachoengsao Vocational College . They had already studied Computer at  Work. Cluster sampling method was used to select 1 group (31 students for each group). Instruments of research consisted  of  WBI for Review, the quality questionnaire and multiple choices achievement test. This test comprised 30 items with reliability coefficient of 0.85, the IOC between 0.67-1.00, the degree of difficulty between 0.20 - 0.77, and  the degree of discrimination 0.20-0.67. The data were analyzed by mean, standard  deviation, and  t-test Dependent Samples. The result of this research were

1) The quality was evaluated by the expert and found that the content was in a very good level (=4.76 , S=0.29) and technic media development was in a very good level  (= 4.50 , S=0.20)

2) The efficiency  (E₁/E₂)of the WBI for Review was 81.94/83.87

3) Achievement of students after learning with WBI for Review was  statistically  and  significantly  higher than the achievement prior to learning with  WBI for Review (α=.01)