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Journal of Ratchathani Innovative Social Sciences : Vol.2 No.1 January-March 2018 11

Abstract
The purpose of this research were to 1) study learning outcome of the

webpage creative unit by HTML language of Mathayomsuksa 4 students by using
the instructional package and a conventional method in aspects of
achievement, group process skill, webpage creative skill and desirable
characteristics 2) compare the learning outcome of the webpage creative unit
by HTML language before and after using the instructional package and a

conventional method 3) compare students learning outcome of the webpage
creative unit by HTML language between using the instructional package and a
conventional method in aspects of achievement, group process skill, webpage

creative skill and desirable characteristics.
The samples in this study were fifty students of Mathayomsuksa 4
students of Nathomwittaya School in the Secondary Education Office Service
Area 22 of the academic year 2017. They were selected from 2 classes students

by using simple random sampling. The research instruments were consisted of
1) 6 instructional package plans and 6 conventional method plans. The quality
of them in 4 aspects; appropriateness, consistency, accuracy, and feasibility
were at highest level, the average was 5.00. 2) 6 instructional packages with

its’quality in 4 aspects; appropriateness, consistency, accuracy, and feasibility
were at highest level, the average was 5.00. 3) the achievement test with its
index of item objective congruence was 0.67-1.00, sensitivity index of true
choice was 0.20-0.50, false choice was 0.06-0.22 and reliability was 0.80. 4) the

group process skill evaluation form with its index of item objective congruence
was 1.00 all items, discrimination power was 0.56-0.80 and reliability was 0.87.
5) the webpage creative skill evaluation form with its index of item objective

congruence was 1.00 all items, discrimination power was 0.57-0.80 and reliability
was 0.87. 6) the desirable characteristics evaluation form with its index of item
objective congruence was 1.00 all items, discrimination power was 0.51-0.75 and
reliability was 0.86.
The data were analyzed by using means, standard deviation, t-test for

the one sample, t-test for the dependent sample and t-test for the independent
sample.