Laboratory psychomotor skill development using physical and mental practice strategiesSpringer Science and Business Media LLC - Tập 8 - Trang 135-144 - 1978
W. F. Beasley
This study has demonstrated the feasibility of improving the laboratory performance of freshman chemistry students through planned skill practice activities. However, no differences were found among the specific practice strategies which were employed. Mental practice of laboratory techniques represents the most efficient strategy in terms of the necessary laboratory resources. Although mental pra...... hiện toàn bộ
Expansion of Biology Teachers’ Pedagogical Content Knowledge (PCK) During a Long-Term Professional Development ProgramSpringer Science and Business Media LLC - Tập 44 - Trang 189-213 - 2013
Ronit Rozenszajn, Anat Yarden
Experienced teachers possess a unique teaching knowledge comprised of an inter-related set of knowledge and beliefs that gives direction and justification to a teacher’s actions. This study examined the expansion of two components of pedagogical content knowledge (PCK) of three in-service teachers in the course of a professional development program aimed at designing new teaching and learning mate...... hiện toàn bộ
Seventh-Grade Students’ Relational Conceptual Change and Science Achievement: Photosynthesis and Cellular Respiration DuoSpringer Science and Business Media LLC - - 2024
Ifeyinwa Uke, Jazlin Ebenezer, Osman Nafiz Kaya
This mixed-methods research study aimed to observe the changes in relational conceptual changes and achievement in photosynthesis and cellular respiration in 15 seventh-grade students using the variation theory of learning, a framework for contextual distinctions, and supports the Common Knowledge Construction Model (CKCM) for science education. The strategy used was prediction-observation-explana...... hiện toàn bộ
Meeting the Challenges of English Learners by Pairing Science and Language EducatorsSpringer Science and Business Media LLC - Tập 49 - Trang 1025-1040 - 2019
Carla Meskill, Alandeom W. Oliveira
Learners of English as a new language and the teachers who find these young people in their classrooms face many challenges. For secondary science educators, this is often rooted in a general lack of professional development models for the design and implementation of science/language integrated instruction. To address this issue, the present study examines how participation in a paired profession...... hiện toàn bộ