The Development of English Instructional Package in Basic English Grammar for Prathomsuksa 5 Students

Abstract

The purposes of this study were (1) to study the effciency of English instructional
package in Basic English Grammar for prathomsuksa 5 students with the criterion of 80/80,
(2) to compare the achievements towards English grammar for prathomsuksa 5 students
before and after being taught by using the instructional package, and (3) to study the
satisfaction towards using English instructional package in Basic English Grammar for
prathomsuksa 5 students.
The samples were 18 prathomsuksa 5 students of Bansrabua School study in the
second semester of the 2018 academic year. The samples were selected by using simple
random sampling to as an experimental group.
Three research tools were comprised 1) English instructional package in Basic English
Grammar with effciency criterion of 84.90/85.21 2) the English achievement test with 4
choices and 30 items, the degree of diffculty is between 0.32-0.70, the discrimination is
between 0.28-0.56 and the reliability index is of 0.98 3) questionnaire, 20 choices of 5
rating scales with the level of reliability at 0.98, towards students’ satisfaction.
The results of this research concluded as follows:
1. The developed instructional package was at a very good level of appropriation
and with the effciency value of 84.90/85.21.
2. The English achievement of prathomsuksa 5 students after being taught by using
the instructional package was higher with the statistical signifcance at the .05 level.
3. The satisfaction learning with English instructional package was at good level.