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The purpose of this paper is to describe the design and delivery of a lesson study unit in mathematics to pre-service primary teachers and to identify the opportunities and challenges resulting from the need to deliver the unit wholly online due to the COVID-19 pandemic.

Cross-case analysis, using a before-and-after design, was used to compare the development and delivery of the unit in 2019 and 2020, with the pivotal event of interest between the before-and-after cases being the onset of the COVID-19 pandemic.

The content and structure of the unit, as well as its collaborative aspects, remained substantially the same in the before-and-after cases. While there was a low level of engagement with pre-recorded lectures, there was a high level of engagement and participation in the online synchronous seminars, together with a marked increase in overall satisfaction with the unit. Pre-service teachers were unable to teach and observe one another's planned research lessons in school. Instead, after a detailed examination of the task, the lesson plan and student solutions, they observed a pre-recorded video of a research lesson at a local school and participated in a streamed post-lesson discussion. Pre-service teachers regarded this new component as a highlight of the unit and an important connection between the theory and practice of lesson study.

The inclusion of the video-recorded research lesson in 2020 introduced a new level of authenticity for pre-service teachers, allowing them to observe a high quality structured problem solving mathematics lesson taught in a local public school, as part of a local implementation of lesson study-something that is not generally possible. While there is often a view that the benefits of lesson study result mainly from collaborative planning and teaching of the research lesson, this paper highlights the value of involvement for all participants in research lesson observation and post-lesson discussion, as well as the opportunities afforded by the use of “virtual lesson study”.

Life studies are a rich source for further research on the role of the Afro‐American woman in society. They are especially useful to gain a better understanding of the Afro‐American experience and to show the joys, sorrows, needs, and ideals of the Afro‐American woman as she struggles from day to day.

The purpose of this paper is to explore how the history of a supply chain relationship impacts expectations concerning negotiation strategy use.

Following a grounded theory approach, experienced buyers and suppliers were interviewed to enhance understanding of the complexity of supply chain negotiations.

Qualitative analysis developed a theoretical framework emphasizing the impact of relationship history on negotiation strategy expectations in long-term buyer-supplier relationships. Data supports that previous negotiation interactions build a history between the involved organizations. This relationship history creates expectations. When negotiation strategy use is consistent with expectations, the relationship history will continue to develop in the same manner as it has previously. When negotiation strategy expectations are violated, the relationship impact will differ depending on evidence of an Extrarelational Factor that leads to the strategy change.

Results of this study present a theoretical framework that future research can quantitatively test, which has the potential to open up new streams of research on relationship history and supply chain negotiations.

Results show that buyers and suppliers should consider the strategy expectations of their negotiation partner. When actions are inconsistent with expectations, the effects impact the relationship.

Negotiation research has largely focussed on negotiations as discrete events with economic outcomes. This ongoing buyer-supplier relationship research highlights the impact that previous negotiations (relationship history) have on negotiation expectations. It also explores the relational impact when those expectations are or are not met.

On April 2, 1987, IBM unveiled a series of long‐awaited new hardware and software products. The new computer line, dubbed the Personal Systems 30, 50, 60, and 80, seems destined to replace the XT and AT models that are the mainstay of the firm's current personal computer offerings. The numerous changes in hardware and software, while representing improvements on previous IBM technology, will require users purchasing additional computers to make difficult choices as to which of the two IBM architectures to adopt.

Communications regarding this column should be addressed to Mrs. Cheney, Peabody Library School, Nashville, Term. 37203. Mrs. Cheney does not sell the books listed here. They are available through normal trade sources. Mrs. Cheney, being a member of the editorial board of Pierian Press, will not review Pierian Press reference books in this column. Descriptions of Pierian Press reference books will be included elsewhere in this publication.

The US feminist art movement of the 1970s is examined through selected works written by artists, critics, and historians during the 1990s. Books, exhibition catalogues, dissertations, and articles place the movement within the broader contexts of art history and criticism, women’s history, and cultural studies. The art includes painting, drawing, collage, mixed‐media, graphics, installations, video, and performance. An increasing historical perspective allows scholars to examine the movement’s institutions and unresolved issues surrounding class, race, and sexual preference. Background is provided by an introductory essay, which summarizes the movement’s facets of protest, pedagogy, networks and professional associations, and art making while noting examples of publications and institutions that form part of the record of the movement. This article will be useful to librarians and scholars in art, women’s studies, history, sociology, and cultural studies.

The purpose of this paper is to determine if neurolinguistic programming (NLP) tools and techniques were effective in alleviating the symptoms of posttraumatic stress disorder (PTSD) in clients from the Military and Emergency Services.

This project ran at the “Healing the Wounds” charity in Bridgend. All clients were opportunistic, having self-referred to a charity specifically set up to support Veterans from the Armed Forces. In total, 29 clients from an initial cohort of 106 clients provided pre and post data using Depression Anxiety Stress Scale (DASS) and the NLP Wheel of Life scale. Interventions included a range of NLP techniques, addressing self-reported symptoms.

Differences between DASS scores before and after treatment are very highly significant. t-test analysis infers that these results are indicative of the overall response from the clients in this study.

Limitations of the study include: client group; significant levels of incomplete data for the total study group; therapist effect and therapist training; treatment methodology.

Data suggest that NLP has potential as a therapeutic tool in the treatment of symptoms of anxiety and depression associated with a self-report of PTSD. An observation is proposed that these candidates experience an improvement in their emotional state when NLP is used which is statistically significant (p<0.001) both for overall DASS score averages and also for each of the three DASS categories (Depression, Anxiety and Stress). Stress was the highest scoring category prior to treatment for these clients; the reduction in their stress symptoms contributed most substantially to the overall reduction in average DASS score, indicating an improvement in their emotional state.