Developing Reading Comprehension Skills With English Reading Practice Sets for Mathayom 3 Students Nong Song Hong Witthaya School

Abstract

This research aimed to: 1) examine the efficiency of an English reading practice set based on the 80/80 criterion for Mathayomsuksa 3 students at Nong Song Hong Wittaya School, 2) evaluate its effectiveness index, which should exceed 50%, 3) develop students' English reading comprehension skills, and 4) assess students’ satisfaction with learning through the practice set. The target group consisted of 35 Mathayomsuksa 3/3 students enrolled in the basic English course (code 23101) during the academic year 2022. The research instruments included: 1) the English reading practice set, 2) an achievement test with 20 multiple-choice items, difficulty levels (P) ranging from 0.29 to 0.80, discrimination values between 0.24 and 0.80, and a reliability coefficient of 0.88, and 3) a student satisfaction questionnaire with 20 items, discrimination values between 0.34 and 0.89, and a reliability coefficient of 0.84. Data were analyzed using mean (x̄) and standard deviation (S.D.).

The research findings revealed that: 1) the efficiency of the English reading practice set was 85/82, which exceeded the 80/80 criterion, 2) the effectiveness index was 61.68%, which met the required threshold of above 50%, 3) students’ reading comprehension skills improved, with average scores increasing from 27.03 before the lesson to 35.03 after, and 4) overall student satisfaction with learning through the practice set was at the highest level, with a mean score of 4.36.