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Susac, Ana; Planinic, Maja; Bubic, Andreja; Jelicic, Katarina; Palmovic, Marijan – Physical Review Physics Education Research, 2023
Previous studies have shown the important role of different representations in the teaching and learning of physics. In this study, we used eye tracking to investigate the effect of different representations on the process of answering conceptual questions. We compared students' scores and eye-tracking measures on isomorphic questions which…
Descriptors: Eye Movements, Science Tests, Science Achievement, Test Items
Cvenic, Karolina Matejak; Ivanjek, Lana; Planinic, Maja; Jelicic, Katarina; Susac, Ana; Hopf, Martin; Brkic, Mateja Cindric – Physical Review Physics Education Research, 2023
Demonstration interviews with 27 high school students (18-19 years old) were conducted in Zagreb, Croatia, using several standard experiments on interference and diffraction of light. Students were asked for their predictions, observations, and explanations of the experiments. In this process, many student difficulties were identified, both…
Descriptors: Foreign Countries, Science Instruction, High School Students, Science Experiments
Matejak Cvenic, Karolina; Planinic, Maja; Susac, Ana; Ivanjek, Lana; Jelicic, Katarina; Hopf, Martin – Physical Review Physics Education Research, 2022
A new diagnostic instrument, the Conceptual Survey on Wave Optics (CSWO), was developed and validated on 224 high school students (aged 18-19 years) in Croatia. The process of test construction, which included the testing of 61 items on the total of 712 students is presented. The final version of the test consists of 26 multiple-choice items which…
Descriptors: Scientific Concepts, Concept Formation, Validity, Physics
Cvenic, Karolina Matejak; Ivanjek, Lana; Planinic, Maja; Jelicic, Katarina; Susac, Ana; Hopf, Martin – Physical Review Physics Education Research, 2021
Polarization of light is one of the topics in the Croatian high school physics curriculum. It is taught in the final year of high school education. Twenty-seven Croatian high-school students (aged 18-19 years) were interviewed after regular instruction about their understanding of polarization of light and the model of light itself. This paper…
Descriptors: Foreign Countries, High School Students, Science Instruction, Secondary School Science
Susac, Ana; Planinic, Maja; Bubic, Andreja; Jelicic, Katarina; Ivanjek, Lana; Cvenic, Karolina Matejak; Palmovic, Marijan – Physical Review Physics Education Research, 2021
Recognition of interference and diffraction patterns is a difficult task for both high-school and university students. Many students fail to observe important features of particular patterns and identify the differences among similar patterns. In this study, we investigated if performing students' investigative experiments can help high-school…
Descriptors: Investigations, Experiments, Hands on Science, Optics
Susac, Ana; Planinic, Maja; Bubic, Andreja; Ivanjek, Lana; Palmovic, Marijan – Physical Review Physics Education Research, 2020
Previous studies have demonstrated that students have difficulties in applying the wave model of light to explain single-slit diffraction and double-slit interference patterns. In this study, we investigated if students could recognize typical interference and diffraction patterns at all. Eye movements of high-school students were measured while…
Descriptors: Pattern Recognition, Interference (Learning), Optics, Light
Ivanjek, Lana; Shaffer, Peter; Planinic, Maja – Physical Review Physics Education Research, 2020
The topic of atomic spectra is part of university and secondary school curricula around the world. Relatively little research, however, has been done on the learning and teaching of this subject, despite the fact that it forms a foundation for advanced study in quantum mechanics, astronomy, and astrophysics. A systematic investigation into student…
Descriptors: Science Instruction, Scientific Concepts, Concept Formation, Physics
Planinic, Maja; Boone, William J.; Susac, Ana; Ivanjek, Lana – Physical Review Physics Education Research, 2019
The Rasch model is a probabilistic model which describes the interaction of persons (test takers or survey respondents) with test or survey items and is governed by two parameters: item difficulty and person ability. Rasch measurement parallels physical measurement processes by constructing and using linear person and item measures that are…
Descriptors: Item Response Theory, Physics, Science Education, Educational Research
Susac, Ana; Bubic, Andreja; Planinic, Maja; Movre, Marko; Palmovic, Marijan – Physical Review Physics Education Research, 2019
Typical physics textbook problems often include supportive diagrams that visualize the physical situation although the potential benefits of providing such diagrams is not yet fully established. We used eye tracking to explore the role of supportive diagrams in problem solving. Including a supportive diagram with the text of the problem improved…
Descriptors: Role, Visual Aids, Problem Solving, Eye Movements
Susac, Ana; Planinic, Maja; Klemencic, Damjan; Sipus, Zeljka Milin – Physical Review Physics Education Research, 2018
The test of understanding of vectors (TUV) is a multiple-choice test that was recently developed to assess student understanding of vector concepts required in introductory physics courses at the university level. In this study, the TUV was administered to 889 first-year students at the University of Zagreb. The Rasch model was used to evaluate…
Descriptors: Item Response Theory, Algebra, Multiple Choice Tests, Physics
Susac, Ana; Bubic, Andreja; Kazotti, Elizabeta; Planinic, Maja; Palmovic, Marijan – Physical Review Physics Education Research, 2018
Previous studies have identified physics students' difficulties with graph slope and area under a graph in different contexts. In this study we compared physics and nonphysics (psychology) students' understanding of graphs; i.e., we evaluated the effects of concept (graph slope vs area under graph), type of question (qualitative vs quantitative),…
Descriptors: Physics, Graphs, Psychology, Comprehension
Susac, Ana; Bubic, Andreja; Martinjak, Petra; Planinic, Maja; Palmovic, Marijan – Physical Review Physics Education Research, 2017
Developing a better understanding of the measurement process and measurement uncertainty is one of the main goals of university physics laboratory courses. This study investigated the influence of graphical representation of data on student understanding and interpreting of measurement results. A sample of 101 undergraduate students (48 first year…
Descriptors: Measurement, College Science, Physics, Science Laboratories
Jelicic, Katarina; Planinic, Maja; Planinsic, Gorazd – Physical Review Physics Education Research, 2017
Electromagnetic induction is an important, yet complex, physics topic that is a part of Croatian high school curriculum. Nine Croatian high school students of different abilities in physics were interviewed using six demonstration experiments from electromagnetism (three of them concerned the topic of electromagnetic induction). Students were…
Descriptors: High School Students, Logical Thinking, Physics, Secondary School Science
Ivanjek, Lana; Susac, Ana; Planinic, Maja; Andrasevic, Aneta; Milin-Sipus, Zeljka – Physical Review Physics Education Research, 2016
This study investigates university students' graph interpretation strategies and difficulties in mathematics, physics (kinematics), and contexts other than physics. Eight sets of parallel (isomorphic) mathematics, physics, and other context questions about graphs, which were developed by us, were administered to 385 first-year students at the…
Descriptors: Student Attitudes, Graphs, Physics, Science Instruction
Planinic, Maja; Ivanjek, Lana; Susac, Ana; Milin-Sipus, Zeljka – Physical Review Special Topics - Physics Education Research, 2013
This study investigates university students' understanding of graphs in three different domains: mathematics, physics (kinematics), and contexts other than physics. Eight sets of parallel mathematics, physics, and other context questions about graphs were developed. A test consisting of these eight sets of questions (24 questions in all) was…
Descriptors: Comparative Analysis, Physics, College Students, Graphs
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