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Muammer Çalik; Neslhan Ültay; Hasan Bag; Alipasa Ayas – Chemistry Education Research and Practice, 2024
The purpose of this study is to "meta"-analytically evaluate research that used chemical bonding-based interventions to improve academic performance. Through "meta"-analysis, the present study used several keyword patterns (e.g., chemical bonding, experimental, chemistry education, science education) via relevant databases…
Descriptors: Chemistry, Meta Analysis, Effect Size, Intervention
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Martin Schwichow; Anastasios Zoupidis – Journal of Research in Science Teaching, 2024
Floating and sinking (FS) is a key topic in science education, both at primary and secondary levels. The interpretation of FS phenomena, however, is challenging due to the difficulty of the scientific concepts and explanatory models involved (e.g., density, buoyancy), along with students' everyday experiences, which conflict with scientific…
Descriptors: Scientific Concepts, Science Education, Meta Analysis, Effect Size
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Kaps, Andreas; Stallmach, Frank – Physics Education, 2022
Smartphone-based experimental exercises were incorporated as part of the homework problems in an introductory mechanics course at a university. A quasi-experimental field study with two cohorts design was performed to measure the impact of such exercises on motivation, interest and conceptual understanding. The empirical results on learning…
Descriptors: Telecommunications, Handheld Devices, Homework, Mechanics (Physics)
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Schneider, Elia M.; Bärtsch, Amadeus; Stark, Wendelin J.; Grass, Robert N. – Journal of Chemical Education, 2019
A simple synthesis of fluorescent carbon quantum dots from lemon juice is described to introduce advanced high-school students and undergraduate college students to nanoparticle synthesis and quantum dots. The synthesis is based on the carbonization of lemon juice using only a hot plate stirrer. Column chromatography is used to separate different…
Descriptors: Science Instruction, Teaching Methods, High School Students, Foreign Countries
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Ainsworth, Hannah; Hewitt, Catherine E.; Higgins, Steve; Wiggins, Andy; Torgerson, David J.; Torgerson, Carole J. – Educational Research and Evaluation, 2015
Randomised controlled trials (RCTs) can be at risk of bias. Using data from a RCT, we considered the impact of post-randomisation bias. We compared the trial primary outcome, which was administered blindly, with the secondary outcome, which was not administered blindly. From 44 schools, 522 children were randomised to receive a one-to-one maths…
Descriptors: Statistical Bias, Research Methodology, Science Experiments, Research Design
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Drummond, Gordon B.; Vowler, Sarah L. – Advances in Physiology Education, 2012
In this article, the authors talk about variation and how variation between measurements may be reduced if sampling is not random. They also talk about replication and its variants. A replicate is a repeated measurement from the same experimental unit. An experimental unit is the smallest part of an experiment or a study that can be subject to a…
Descriptors: Multivariate Analysis, Classroom Communication, Sampling, Physiology
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Soulios, Ioannis; Psillos, Dimitris – International Journal of Science Education, 2016
In this study we present the structure and implementation of a model-based inquiry teaching-learning sequence (TLS) integrating expressive, experimental and exploratory modelling pedagogies in a cyclic manner, with the aim of enhancing primary education student teachers' epistemological beliefs about the aspects, nature, purpose and change of…
Descriptors: Student Teachers, Epistemology, Beliefs, Inquiry
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Hester, Reid K.; Delaney, Harold D.; Campbell, William – Journal of Consulting and Clinical Psychology, 2011
Objective: To evaluate the effectiveness of a web-based protocol, ModerateDrinking.com (MD; "www.moderatedrinking.com") combined with use of the online resources of Moderation Management (MM; "www.moderation.org") as opposed to the use of the online resources of MM alone. Method: We randomly assigned 80 problem drinkers to…
Descriptors: Evidence, Experimental Groups, Control Groups, Drinking
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Johnson-Glenberg, Mina C.; Birchfield, David A.; Tolentino, Lisa; Koziupa, Tatyana – Journal of Educational Psychology, 2014
These 2 studies investigate the extent to which an Embodied Mixed Reality Learning Environment (EMRELE) can enhance science learning compared to regular classroom instruction. Mixed reality means that physical tangible and digital components were present. The content for the EMRELE required that students map abstract concepts and relations onto…
Descriptors: Cooperative Learning, Human Body, Science Education, Science Instruction
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Goeden, Terrah J.; Kurtz, Martha J.; Quitadamo, Ian J.; Thomas, Carin – Journal of Chemical Education, 2015
In the Community-Based Inquiry (CBI) instructional method, cooperative student groups complete case study activities based on scientific literature and conduct their own laboratory investigations that address authentic community needs. This study compared critical thinking and content knowledge outcomes between traditional Introduction to…
Descriptors: Science Instruction, Inquiry, Cooperative Learning, Case Studies
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Marusic, Mirko; Slisko, Josip – International Journal of Science Education, 2012
The Lawson Classroom Test of Scientific Reasoning (LCTSR) was used to gauge the relative effectiveness of three different methods of pedagogy, "Reading, Presenting, and Questioning" (RPQ), "Experimenting and Discussion" (ED), and "Traditional Methods" (TM), on increasing students' level of scientific thinking. The…
Descriptors: Classroom Techniques, Cognitive Development, Science Instruction, Physics
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Gutwill, Joshua P.; Allen, Sue – Science Education, 2010
We describe a study of programs to deepen families' scientific inquiry practices in a science museum setting. The programs incorporated research-based learning principles from formal and informal educational environments. In a randomized experimental design, two versions of the programs, called "inquiry games," were compared to two control…
Descriptors: Museums, Exhibits, Effect Size, Inquiry
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Zucker, Andrew A.; Tinker, Robert; Staudt, Carolyn; Mansfield, Amie; Metcalf, Shari – Journal of Science Education and Technology, 2008
The Technology Enhanced Elementary and Middle School Science II project (TEEMSS), funded by the National Science Foundation, produced 15 inquiry-based instructional science units for teaching in grades 3-8. Each unit uses computers and probeware to support students' investigations of real-world phenomena using probes (e.g., for temperature or…
Descriptors: Mathematical Models, Effect Size, Virtual Classrooms, Grade 7