Plickers was an educational tool that used printables, such as a quick response code. The answer options A, B, C, and D were printed on the image's paper. The teacher showed the questions during the learning process, and students showed the Plickers card and their answers. Teachers could respond to cards using the Plickers app installed on a mobile device. They could instantly see student responses and grading data for that question, including who got the correct answer and who did not. The research purpose was to determine the effectiveness and affection of the Plickers application in building reading skills for the ninth-grade
students of SMP Negeri 1 Sungai Ambawang in the academic year of 2021/2022.
This research used a pre-experimental research design. The research design used the One Group Pretest-Posttest Design. The sample in this study was all students of class IX SMP Negeri 1 Sungai Ambawang, totaling 36 people. Data collection techniques used in this study included the following measurements, observations, and documentation. The data analysis technique used in this research was
univariate analysis. Based on the results of the research and discussion that were carried out, it can be concluded that the Plickers application effectively built students' reading skills. Plickers was an effective tool for measuring students' ability to understand and use new words correctly. Teachers created Plickers cards with the reading skills they wanted to teach and scanned them during a study session. It was evident from the results of measuring reading skills at the pretest and posttest stages of class XI students of SMP Negeri 1 Ambawang that the Plickers application significantly increased students' reading skills. However, at the pretest stage, it could be seen that students' reading skills were still low, even the lowest score reached 4 (four), or students were only able to answer correctly 4
(four) out of 10 (ten) questions. Moreover, no students scored 10 (ten) or could answer all the questions correctly.

Keywords: Plickers Application, Teaching, Reading Skill