Background: For the past decade, science educators have been exploring the use of Socio-scientific Issues (SSI) as contexts for science teaching and learning, and research indicates that doing so can support significant learning gains. However, research related to how teachers take up the practice of SSI-based instruction is far more limited, due in part to a lack of tools for use in this kind of research.
Purpose: The focus of this research is development and testing of a new classroom observation protocol specifically designed for SSI-based instructional contexts.
Design and methods: Development of this SSI-Observation Protocol (SSI-OP) took place in four distinct phases: review of existing protocols and SSI-based instruction frameworks, writing and revision of protocol items, initial testing of the draft protocol, and soliciting feedback from SSI experts.
Sample: Following the four stages of SSI-OP development, we progressed to a series of field tests. The field tests were conducted with three different samples. The first sample was an experienced (10 + years) high school biology teacher and one of her honors biology classes. The second sample consisted of seven Turkish Pre-service Science Teachers (PST) participating in a science methods course. The third sample included two Thai PST from a field experience course embedded within a teacher education program.
Results: The final version of the protocol addressed five dimensions of SSI-based instructional activities: focus of instruction, teaching moves, role of teacher, role of students, and classroom environment.
Conclusions: The SSI-OP could be used in a variety of ways for research including documentation of current practices, impacts of professional development and/or curricula on teaching practices, and changes in teaching over time. We offer the SSI-OP as a new tool with the potential to contribute to science teacher education and research that may advance the teaching and learning of science through SSI. 相似文献
This paper describes results from field testing of middle-school math formative assessments alongside professional development and instructional resources. We employed a randomised, controlled design to address the question: Does using our formative assessment strategies improve student performance on assessments of key mathematical ideas relative to a comparison group? This study also provided data on the instructional sensitivity of the assessments, which is part of the validation needed for formative assessments. Teachers were recruited from two districts and seven middle schools. Nineteen treatment and 17 comparison group teachers and their students were included in study analyses. Scores on extended response and short-answer questions indicated that students in the treatment group performed better than students in the comparison group who received the formative assessments alone. These findings demonstrate both the feasibility and value of including performance task-types in a brief assessment context. 相似文献
In an effort to expand existing research on the barriers of instructors experience in online learning environments (OLEs), a qualitative study was conducted at a large mid-Atlantic university. Six instructors teaching in different OLE formats (e.g., asynchronous, hybrid, and synchronous via videoconferencing) participated in two focus groups in order to explore their emotional experiences and ways to regulate the emotions when teaching in OLEs. The overarching themes included emotions of feeling (a) restricted, (b) stressed, (c) devalued, (d) validated, and (e) rejuvenated. The article also provides practical strategies on how participating instructors attempted to manage the challenging emotions. A consensus among all participants is that continuous dialog in a community of practice about strategies to enhance OLEs is imperative. 相似文献
Previous studies have found an association between childhood maltreatment (CM) and health-related quality of life (HRQoL), and to a lesser extent have considered whether psychiatric symptoms may explain the relationship. This study aimed to further our understanding of the link between CM and HRQoL by testing whether posttraumatic stress disorder (PTSD) or depressive symptoms mediate the relationship between childhood maltreatment and physical HRQoL. Mediation models were examined in a sample of male Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF) active duty and combat veterans (n = 249). PTSD and depressive symptoms mediated the relationship between CM and overall physical HRQoL, as well as participation in daily activities due to physical health, bodily pain, and social functioning. Mediation of the relationship between childhood maltreatment and physical and social functioning by depression and PTSD symptoms may lend support to neurobiological hypotheses that childhood maltreatment sensitizes the nervous system and after repeated trauma may lead to the development of psychiatric symptoms, which have a major impact on morbidity and mortality. 相似文献
Between 1800 and 1918, Sarah Bernhardt toured America nine times. Although she received critical praise and large profits from extended runs in cities, she often performed in smaller towns between cities to help defray the expenses of touring. Bernhardt's performance of Camille in Little Rock, Arkansas on March 6, 1906 was hailed as “the greatest dramatic event in the history of Little Rock.” This study details the events of Bernhardt's visit, discussing its impact on the social and cultural life of the city. 相似文献
W.J. Baker's A History of the Marconi Company (New York: St. Martin's Press, 1972–$12.95) Vishwa Mohan Mishra's Communication and Modernization in Urban Slums (New York: Asia Publishing House, Inc., 1972—$6.95, with paper edition available) James R. Bradon (ed.) The Performing Arts in Asia (Paris: Unesco [available in this country from New York: Unipub, Inc.], 1971—$3.00, paper) John A. Lent (ed.) The Asian Newspapers' Reluctant Revolution (Ames: Iowa State University Press, 1971—$12.50) Richard L. Merritt (ed.) Communication in International Politics (Urbana: University of Illinois Press, 19Y2—$15.00) Gayle Durham Hollander's Soviet Political Indoctrination: Developments in Mass Media and Propaganda Since Stalin (New York: Praeger Special Studies in International Politics and Public Affairs, 1972—$15.00) 相似文献
These studies were designed to determine: 1) if a videotape could be used to help people cope with public speaking anxiety; 2) how this videotape compared with other interventions; 3) whether the video could be used on a self‐help basis; and 4) whether the video would be effective over time. These issues were addressed in two separate studies. These studies indicated that the videotape reduced self‐reported levels of trait CA, state CA, and negative thinking. The first study linked the videotape to reduced rigidity while the second linked the videotape to reduced agitation. The second study also found trait CA to be reduced over time. Meta‐analysis was used to compare these data with other interventions. That analysis revealed this videotape was generally more effective than other interventions in reducing trait CA in study one. The videotape was found to reduce state CA and negative thinking more than other interventions in study two. These and other results are discussed at the conclusion of these studies. 相似文献
This study examined the impact of a 15-min daily explicit vocabulary intervention in Spanish on expressive and receptive vocabulary knowledge and oral reading fluency in Spanish, and on language proficiency in English. Fifty Spanish-speaking English learners who received 90 min of Spanish reading instruction in an early transition model were randomly assigned to a treatment group (Vocabulary Enhanced Systematic and Explicit Teaching Routines [VE-SETR]) or a comparison group that received general vocabulary instruction using the standard reading curriculum with general strategies designed to increase the explicitness of instruction (General Systematic and Explicit Teaching Routines). Results indicated a statistically significant difference in depth of student Spanish vocabulary knowledge favoring the VE-SETR group. Differences on language proficiency in English, general vocabulary knowledge in Spanish, and oral reading fluency in Spanish were not statistically significant. Implications for future research are discussed. 相似文献