Pesona-Bio: Jurnal Biologi dan Pembelajaran

Effect Of Digitised Reverse Jigsaw Instructional Strategy On Remediating Undergraduates’ Misconceptions In Cell Biology In Ondo State, Nigeria

2024-09-18T01:23:58+00:00

This study investigated the effect of a digitised reverse jigsaw instructional strategy on remediating misconceptions in Cell Biology among undergraduates in Ondo State, Nigeria based on their gender. Two purposes and two hypotheses guided the study. Quasi-experiment of pre-test, post-test, non-equivalent and non-randomised control group design using 2x2 factorial designs was adopted for the study. A simple random sampling technique was used to select 32 undergraduates across two universities that participated in this study. The research instrument used for the collection of data was a Cell Biology Conception Test (CBCT). The CBCT was given to three experts in the Department of Biological Sciences, Al-Hikmah University, Ilorin for face and content validity. The reliability of CBCT was determined using the test-retest method and after the two-week interval, the data was calculated using Cronbach Alpha and a reliability index of 0.81 was obtained. The data collected was analysed using t-test statistics at 0.05 level of significance. This study found a significant difference in the number of misconceptions remediated between students taught using the digitised reverse jigsaw strategy and those taught using conventional teaching methods. More so, gender does not influence the misconceptions remediated in the digitised reverse jigsaw group. It is recommended that lecturers incorporate a digitised reverse jigsaw instructional strategy into biology instruction in other to improve undergraduates' understanding by helping them remediate their misconceptions about biology.

Enhancing Critical Thinking Skills Through Argumentative Scientific Writing In Undergraduate Biology Education: A Quasi-Experimental Study

2026-05-02T18:34:48+00:00

This study aimed to investigate the effect of argumentative scientific writing on the critical thinking skills of undergraduate biology students. A quasi-experimental design with a non-equivalent control group was employed, involving 70 students divided into an experimental group and a control group. The experimental group received instruction based on argumentative scientific writing, while the control group was taught using conventional methods. Data were collected using a critical thinking test administered before and after the intervention. The results showed that both groups had comparable pre-test scores; however, the experimental group demonstrated a significantly higher improvement in post-test scores compared to the control group. The independent samples t-test revealed a statistically significant difference between the groups (p < 0.05), indicating the effectiveness of the intervention. Additionally, the effect size analysis showed a large effect (Cohen’s d = 1.45), suggesting a substantial impact of argumentative scientific writing on students’ critical thinking skills. These findings indicate that integrating argumentative scientific writing into biology instruction can effectively enhance students’ ability to analyze, evaluate, and construct evidence-based arguments. This study highlights the importance of incorporating writing-based learning strategies to foster higher-order thinking skills in science education.

Analysis Of Biotic–Abiotic Components, Biothermal Parameters, And Environmental Sanitation In Urban Green Open Space of Palangka Raya

2026-05-04T14:31:02+00:00

This study aims to analyze the relationship between biotic and abiotic components, biothermal parameters, and environmental sanitation in an urban green open space (RTH) in Palangka Raya. A descriptive observational method was employed using quadrat sampling (10 m²), physical measurements, and sanitation surveys. The results showed that soil and water were the dominant abiotic components supporting ecosystem functions. The biotic components included plant species such as Leersia virginica and Cyperus rotundus, as well as fauna like Lumbricus terrestris and Oecophylla smaragdina, which play significant ecological roles. Biothermal measurements indicated an increase in body temperature due to physical activity and sun exposure. Furthermore, sanitation conditions in the surrounding community were found to be below health standards, particularly regarding the distance between water sources and septic tanks. This study concludes that the interaction between biotic, abiotic, and sanitation factors significantly influences environmental quality and public health.