The main objective of the present study was to construct and standardize an achievement test in science for the secondary school science students in grade 8. An achievement test having 120 test items was prepared by the facilitator based on the four main learning objectives of teaching science that are knowledge, understanding, application, and…

Principals serve as the instructional leader of their schools and teaching staff, a critical role in leading science achievement. In a racially diverse K-8 public school district in New Jersey, elementary principals are challenged to provide instructional support to teachers who are struggling to teach science to elementary students performing…

This study investigated the long-term impact of the science writing heuristic (SWH) approach on students' science achievement, focusing on differences between low and high socioeconomic status (SES) groups. Through a longitudinal design, students were divided into control and treatment (at least 1 year of SWH) groups. Polynomial growth mixed…

This dissertation investigates the impact of attending a STEM-designated elementary school on students' math, ELA (English Language Arts), and science achievement and growth scores. As technology continues to advance in education, educators are exploring innovative instructional methods. With a concerning decline in math proficiency nationwide,…

Science academic achievement is a key construct for examining students' science learning outcomes. While international comparative assessments like TIMSS and PISA have shown high science achievement of Korean middle school students, there is a lack of comprehensive investigation of factors influencing the achievement using domestic data.…