Web-Based Instruction for Review on Calculation Function Subject For Vocational Certificate Students

Abstract

The purposes of this research were 1) to develop and find out the quality and efficiency of WBI  and    2) to compare pretest and posttest achievement scores of subjects learning with WBI . The sample consisted of students in the vocational certificate student business computer department of commerce Pathumthani Technical College academic year 2557 by the sampling method (Cluster Sampling) 2 classes overall 60 students. The Instruments of research were consisted of WBI, the quality evaluation form of WBI and an achievement test having the IOC between 0.67 to 1.00, the difficulty is between 0.50 to 0.73, the discrimination is between 0.20 to 0.60 and the reliability is 0.85. The statistics for analysis were mean, standard deviation and t-test for dependent samples type the two groups is not independent of each other. The results of this study were 1) the quality of WBI contents overall was very good ( = 4.75, S.D. = 0.33) and the technical quality media production as a whole is very good ( = 4.69, S.D. = 0.34). 2) The efficiency WBI was 91.33/87.78 which meets the criteria 3) The learning achievement after the lesson through WBI for review was significantly higher than before to learning at .01 level