TY - JOUR T1 - Investigating Girl and Boy High School Students’ Epistemological Beliefs in Biology and Physics AU - Alpaslan, Muhammet Mustafa PY - 2023 DA - December JF - Online Science Education Journal JO - OSEJ PB - Mehmet ALTAN KURNAZ WT - DergiPark SN - 2548-0065 SP - 22 EP - 30 VL - 8 IS - 2 LA - en AB - Epistemological beliefs are associated with students' motivation, learning strategies, career choices, and academic achievement. The study aimed at examining the epistemological beliefs of high school students in physics and biology. A total of 503 high school students studying at five schools in the Aegean Region in Turkiye participated in the study. The 5-point Likert-type Epistemological Beliefs Scale and the previous semester’s grade were used as data sources in physics and biology. Repeated ANOVAs were used to address the research questions. ANOVA results showed that the students had higher scores than the biology course against the physics course in the sub-dimension of the source of knowledge, the certainty of knowledge and the justification of knowledge. The results of this study are important in terms of teaching physics and biology lessons and reveal that students’ ideas about scientific knowledge for different course branches are different, and this difference exists in the early years of high school. KW - Biology education KW - Epistemological beliefs KW - Gender KW - Physics education CR - Acar, Ö. (2019). Investigation of the science achievement models for low and high achieving schools and gender differences in Turkey. Journal of Research in Science Teaching, 56(5), 649-675. https://doi.org/10.1002/tea.21517 CR - Acar, Ö. (2022). Modelling of the relationships between students’ grade-level, epistemic beliefs, metacognition, and science achievement in low and high - achieving schools. 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