Spectroscopy is an integral part of chemical research, and the operation of any spectroscopic instrument is critical in chemical education. This study presents a low-cost, do-it-yourself (DIY) style spectrophotometer system that can be adapted for UV--vis spectrophotometry, fluorimetry, and atomic emission spectroscopy applications. The DIY system…

This research paper aims to propose a novel didactic sequence inspired by an historical/epistemological study of the evolution of spectroscopy and in particular of colorimetry. The working principles of the historical color comparators and the visual color matching method, first proposed by Duboscq, stimulated us in the development of a five-step…

We describe and evaluate a method to mitigate unwanted student collaborations in assessments, which we recently implemented in a second-year undergraduate mathematics module. The method requires a list of specific pairs of students to be prevented from collaborating, which we constructed based on the results of previous assessments. We converted…

A simple demonstration adaptable to classroom conditions is presented, which involves the preparation of raffle tickets using filter paper and the solution of selected fluorophores. With an appropriate dilution, the text written on the tickets is not visible to the naked eye; however, it becomes readable once put under a UV lamp. Besides being a…

Learning Cell Biology is challenging for both sighted and visually impaired students due to its abstract nature and reliance on bidimensional depictions in textbooks, which often fail to capture the biological complexity of cell structures and functions. To implement inclusive learning environments and address the shortage of learning materials…

This study investigates the influence of plant landscape colors on the quality of life of college students at Sichuan Vocational College of Health and Rehabilitation in Zigong City, China. The research employed a mixed-methods approach, integrating quantitative data from 328 student questionnaires with qualitative insights from in-depth interviews…

Unlike with the typically developing population, non-typically developing individuals, especially those with intellectual disabilities, have usually been recommended to learn and use only one language, despite perhaps coming from bilingual families or living in multilingual environments. This common practice, however, is not backed by empirical…

This study explores teachers' perspectives on mandala coloring as a therapeutic tool for middle grades students with disruptive behavior disorders (DBDs). Employing an explanatory sequential mixed-methods design, the research first conducted qualitative interviews with ten experienced teachers, followed by teachers' quantitative assessments of 60…

Purpose: This study aims to understand the perception of young people regarding different communication strategies to promote proenvironmental disposal behavior. Based on the attention-interest-desire-action (AIDA) model, the study analyses how university students react to different communication approaches used by a university aiming at the…

This study investigates the effects of Processing Instruction (PI) on the acquisition of grammatical gender and gender-marked pronouns in German. PI was compared to Traditional Instruction, i.e. a traditional, vocabulary-oriented approach using color cues (TI) and a Categorization and Memorization task (CM). The results of an immediate posttest…