Development of Learning Activity Packages Using Inquiry Method with Teaching Strategies Based on Pedagogical Content Knowledge (PCK) Entitled Changing Process of the Earth to Promote Learning Achievement and Analytical Thinking Skills for Students in Mattayomsuksa 4

Abstract

           This study aimed to (1) develop learning activity packages using inquiry method with teaching strategies entitled Changing process of the Earth for students in Mattayomsuksa 4,  which has the efficient at 75/75 criterion standard, (2) study the effectiveness index of the developed learning activity packages, (3) compare the students’ learning achievement between before and after learning with this packages, and (4) study students’ analytical thinking skill when using the learning activity packages. The sample group was 36 students in Mattayomsuksa 4/2, semester 1 of academic year 2019 who studied at Thakhantho wittayakhan School, getting from simple random sampling with using a classroom as a random unit. The instruments used in the study were 9 learning activity packages using inquiry method with teaching strategies entitled changing process of the Earth, the inquiry lesson plans, the students’ learning achievement test, and the analytical thinking skill test. The statistics used in the analysis were percentage, mean, standard deviation, an effectiveness index and t –test for dependent samples.
          The findings revealed that the efficiency of the learning activity packages using the inquiry method with teaching strategies entitled Changing process of the Earth for students in Mattayomsuksa 4 was higher than the criterion standard, and its effectiveness index was 0.7511.  The students’ posttest score was significantly higher than the pretest score at .01 level. The students’ analytical thinking skills while learning with the developed packages was at a “good” level, and the average score of analytical thinking skills after using the learning activity packages was at 76.02%.