The lecture recital was given on August 12, 1981. The discussion of Glick's i never saw another butterfly consisted of an analysis of the four songs followed by their performance. In addition to the lecture recital, four other public recitals were given; three of solo literature for voice and piano and one of vocal chamber literature.

The lecture recital was given on August 8, 1978. The discussion of constructive features in Gabrielli's In ecclesiis (1615) and Canzon VIII à 8 (1615) and Stravinsky's In Memoriam Dylan Thomas established that the architecture of St. Mark's Cathedral and the selected works by the composers bear a simple number relation.

The lecture recital was given April 23, 1973. A discussion of trends and parallels in Impressionist music and painting included information about specific technical devices and innovations related to and common to the arts of music and painting, as seen in the Miroirs of Ravel. Slides of Impressionist paintings were used as illustrations. The five pieces of the Miroirs were then performed by memory.

Thèse en cotutelle : Université Laval, Québec, Canada et Universidade Federal do Ceará, Fortaleza, Brésil / Bien que plusieurs recherches ont souligné l’importance de la métacognition dans l’apprentissage et le développement musical, il existe peu d’études sur son utilisation dans l’enseignement collectif et hétérogène des instruments de musique dans le cadre des programmes de premier cycle en enseignement de la musique, notamment en ce qui concerne les instruments à vent de la famille des cuivres. Ainsi, dans le cadre d’un paradigme interprétatif / constructiviste, nous avons mené une recherche qualitative de nature exploratoire, dont l’objectif était de décrire l’utilisation des stratégies métacognitives dans les processus d’enseignement et d’apprentissage de ces instruments et de la lecture de la notation musicale, durant le cours Instrument complémentaire - Vents 1, d’un programme universitaire de premier cycle en enseignement de la musique, dans une université publique du nord-est du Brésil. Nous avons réalisé une intervention pédagogique de 32 heures par le biais de matériels didactiques et d’approches pédagogiques conçus dans l’intérêt de promouvoir, outre l’apprentissage de ces instruments et la lecture de la notation musicale, le développement métacognitif des étudiants. L’échantillon était composé de huit étudiants (n = 8), quatre femmes et quatre hommes, âgés de 19 à 22 ans. La collecte des données a été effectuée à partir d’un Questionnaire sur les données sociodémographiques et les connaissances musicales antérieures, de neuf Compte rendus de réflexion, d’un Questionnaire de réflexion et d’un Test pratique d’étude et de performance musicale. Pour l’analyse des données, nous avons utilisé la technique de l’analyse de contenu, à partir de la codification fondée sur les écrits de Garcia et Dubé (2012) et de Whitebread et al. (2009). De cette façon, nous avons identifié un total de 856 indices métacognitifs qui nous ont permis de décrire les caractéristiques du processus d’apprentissage, en soulignant les aspects liés aux connaissances métacognitives sur les personnes, les tâches et les stratégies, ainsi que la gestion des processus mentaux liés à la planification, au contrôle et à la régulation. Compte tenu des résultats de notre recherche, nous concluons que la métacognition peut être un outil important dans l’enseignement collectif des instruments de musique, permettant non seulement l’apprentissage et/ou le perfectionnement musical, mais aussi le développement de compétences pédagogiques. / Although several studies have emphasized the importance of metacognition in musical learning and development, only a small number have examined its use in the collective and heterogeneous teaching of musical instruments in undergraduate music education programs, particularly with respect to wind instruments of the brass family. Therefore, within the framework of an interpretive/constructivist paradigm, the goal of this qualitative research study of an exploratory nature was to describe the use of metacognitive strategies in the processes of teaching and learning these instruments and reading music notation, during the course Complementary Instrument - Winds 1, in an undergraduate program in music education at a public university in Northeastern Brazil. A 32-hour pedagogical intervention was carried out employing didactic materials and pedagogical approaches designed in the interest of promoting, in addition to learning these instruments and reading music notation, the metacognitive development of the students. The sample was comprised of eight students (n = 8), four females and four males, aged 19-22 years old. Data collection tools included a Questionnaire on Socio-demographic Data and Prior Musical Knowledge, nine Reflection Reports, a Reflection Questionnaire and a Music Study and Performance Practice Test. A content analysis was conducted using coding strategies based on the work of Garcia and Dubé (2012) and Whitebread et al. (2009). A total of 856 metacognitive indices were identified that allowed the researcher to describe the characteristics of the learning process, highlighting aspects related to metacognitive knowledge about people, tasks and strategies, as well as the management of mental processes related to planning, control and regulation. The results of this research study suggest that metacognition can be an important tool in the contexts of collective teaching of musical instruments, allowing not only for learning and/or musical development, but also for the development of pedagogical skills. / Embora pesquisas diversas tenham evidenciado a importância da metacognição no aprendizado e desenvolvimento musical, são escassos os estudos sobre seu uso no ensino coletivo e heterogêneo de instrumentos musicais no âmbito de cursos de licenciatura em música, principalmente no que se refere aos instrumentos de sopro da família dos metais. Assim, dentro de um paradigma interpretativo / construtivista, realizamos uma pesquisa qualitativa de natureza exploratória, cujo objetivo foi descrever o uso de estratégias metacognitivas nos processos de ensino e aprendizagem destes instrumentos e da leitura de notação musical, no âmbito da disciplina Instrumento Complementar – Sopros 1, de um curso de licenciatura em música de uma universidade pública do nordeste brasileiro. Contexto em que realizamos uma intervenção pedagógica de 32 horas/aula, mediada por materiais didáticos e abordagens pedagógicas concebidas com o interesse de promover, além do aprendizado destes instrumentos e da leitura de notação musical, o desenvolvimento metacognitivo dos estudantes. A amostra foi composta por oito alunos (n = 8), sendo quatro do sexo feminino e quatro do sexo masculino, com idades que variavam entre 19 e 22 anos. A coleta de dados foi feita a partir de um Questionário Sobre Dados Sociodemográficos e Conhecimentos Musicais Anteriores, nove Diários de Reflexão, um Questionário de Reflexão e um Teste Prático de Estudo e Performance Musical. Para análise dos dados utilizamos a técnica de Análise de Conteúdo, partindo de codificação fundamentada pelos artigos de Garcia e Dubé (2012) e Whitebread et al. (2009). Desta forma, identificamos um total de 856 indícios metacognitivos que nos permitiram descrever as características do processo de aprendizagem, ressaltando aspectos referentes aos conhecimentos metacognitivos sobre as pessoas, sobre as tarefas e sobre as estratégias, bem como, referentes à gestão de processos mentais vinculados ao planejamento, controle e regulação. Considerando os resultados de nossa pesquisa, concluímos que a metacognição pode ser uma importante ferramenta no ensino coletivo de instrumentos musicais, proporcionando não somente o aprendizado e/ou aprimoramento musical, mas também o desenvolvimento de competências pedagógicas.

Henry Stewart Talks: The Biomedical & Life Sciences Collection is a subscription database containing a variety of lectures on basic science and medical topics. Lectures in this database may be used as a supplement to existing college courses. Additional features of Henry Stewart Talks include several full courses available to faculty upon request and syllabus assistance to link course goals to lectures in the database. Other aspects of Henry Stewart Talks include evidence and expert transparency and ADA compliance of content.

Attention during lectures often declines due to high cognitive demands, challenging student learning. The increasing popularity of online education, especially since the COVID-19 pandemic, has added to the attention-sustaining difficulties students face during lectures. Online lecture breaks are a promising intervention to enhance attention and learning; however, there is limited research on how they should be designed. In the current study, I investigated the effects of break duration and frequency (Experiment 1) and break activity (Experiment 2) during an online lecture on student attention and learning. In both experiments, undergraduate students watched a 50-minute video-recorded online lecture and then completed an immediate comprehension quiz and a post-lecture survey that included questions about their lecture engagement and experiences. In Experiment 2, attention was measured through probes during the lecture, and a second comprehension quiz was administered one week later. Contrary to my predictions, findings from Experiment 1 revealed that taking three 2-minute open-ended lecture breaks led to significantly lower performance on the immediate quiz compared to taking one 6-minute open-ended lecture break or no breaks. Interestingly, participants in the combined break(s) conditions reported engaging in significantly more media multitasking behaviour and decreased levels of motivation during the lecture compared to the no breaks condition. Consistent with my predictions, Experiment 2 demonstrated that taking stretching breaks during an online lecture significantly improved immediate quiz performance compared to taking social media breaks or no breaks. These findings suggest that structuring online lectures with well-designed breaks can enhance learning outcomes, with stretching breaks showing particular promise. However, further research is needed to explore other factors that influence the quality and effectiveness of lecture breaks, as poorly designed breaks may inadvertently hinder learning. / Thesis / Master of Science (MSc) / Maintaining attention during online lectures can be particularly challenging for students, which ultimately impacts their learning. Lecture breaks are often recommended as a tool to help improve attention and learning, but there is limited guidance on how they should be designed and implemented. In this study, I examined the effectiveness of different types of breaks in an online university lecture among university students. Surprisingly, frequent short open-ended breaks led to lower quiz scores compared to one longer open-ended break or no breaks. Interestingly, students who took at least one break engaged in more media multitasking and had reduced motivation to learn during the lecture. However, stretching during these breaks resulted in better quiz performance compared to using social media or taking no breaks. Therefore, while breaks can be poorly designed and unintentionally hinder learning, they can also be strategically integrated into online lectures by incorporating stretches to promote learning.

Lecture recording has become an essential tool for educational institutions to enhance the student learning experience and offer online courses for remote learning programs. Highresolution 4K cameras have gained popularity in these systems due to their affordability and clarity of written content on boards/screens. Unfortunately, at 4K resolution, a typical 45- minute lecture video easily exceeds 2GB. Many video files of this size place a financial burden on institutions and students, especially in developing countries where financial resources are limited. Institutions require costly high-end equipment to capture, store and distribute this ever-increasing collection of videos. Students require a fast internet connection with a large data quota for off-campus viewing, which can be too expensive for many, especially if they use mobile data. This project designs and implements a low-cost presenter and writing detection front-end that can integrate with an external Virtual Cinematographer (VC). Gesture detection was also explored; however, the frame differencing approach used for presenter detection was not sufficiently robust for gesture detection. Our front-end is carefully designed to run on commodity computers without requiring expensive Graphics Processing Units (GPU) or servers. An external VC can use our contextual information to segment a smaller cropping window from the 4K frame, only containing the presenter and relevant boards, drastically reducing the file size of the resultant videos while preserving writing clarity. The software developed as part of this project will be available as open source. Our results show that the front-end module is fit for purpose and sufficiently robust across several challenging lecture venue types. On average, a 2-minute video clip is processed by the front-end in under 60 seconds (or approximately half of the input video duration). The majority (89%) of this time is used for reading and decoding frames from storage. Additionally, our low-cost presenter detection achieves an overall F1-Score of 0.76, while our writing detection achieves an overall F1-Score of 0.55. We also demonstrate a mean reduction of 81.3% in file size from the original 4K video to a cropped 720p video when using our front-end in a full pipeline with an external VC.

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