The value of neurosurgical and intraoperative magnetic resonance imaging and diffusion tensor imaging tractography in clinically integrated neuroanatomy modules: A cross‐sectional study

Neuroanatomy is considered to be one of the most difficult anatomical subjects for students. To provide motivation and improve learning outcomes in this area, clinical cases and neurosurgical images from diffusion tensor imaging (DTI) tractographies produced using an intraoperative magnetic resonance imaging apparatus (MRI/DTI) were presented and discussed during integrated second‐year neuroanatomy, neuroradiology, and neurosurgery lectures over the 2008–2011 period. Anonymous questionnaires, evaluated according to the Likert scale, demonstrated that students appreciated this teaching procedure. Academic performance (examination grades for neuroanatomy) of the students who attended all integrated lectures of neuroanatomy, was slightly though significantly higher compared to that of students who attended these lectures only occasionally or not at all (P=0.04). Significantly better results were obtained during the national progress test (focusing on morphology) by students who attended the MRI/DTI‐assisted lectures, compared to those who did so only in part or not at all, compared to the average student participating in the national test. These results were obtained by students attending the second, third and, in particular, the fourth year (P≤0.0001) courses during the three academic years mentioned earlier. This integrated neuroanatomy model can positively direct students in the direction of their future professional careers without any extra expense to the university. In conclusion, interactive learning tools, such as lectures integrated with intraoperative MRI/DTI images, motivate students to study and enhance their neuroanatomy education. Anat Sci Educ 6: 294–306. © 2013 American Association of Anatomists.     

A General Linear Method for Equating With Small Samples

Research on equating with small samples has shown that methods with stronger assumptions and fewer statistical estimates can lead to decreased error in the estimated equating function. This article introduces a new approach to linear observed‐score equating, one which provides flexible control over how form difficulty is assumed versus estimated to change across the score scale. A general linear method is presented as an extension of traditional linear methods. The general method is then compared to other linear and nonlinear methods in terms of accuracy in estimating a criterion equating function. Results from two parametric bootstrapping studies based on real data demonstrate the usefulness of the general linear method.     

Action Research,History and the Images of Science

God dwells among the details, not in realm of pure generality. (Could, 1989)     

Strategic management accounting in universities: the Italian experience

This paper presents an investigation of management accounting in four major Italian universities, which have been struggling to build their strategy in a context of significant change. Following many OECD countries the Italian government has been changing its higher education system by giving more autonomy to universities. These changes pose a number of challenges for management and accounting systems in Italian Universities. Drawing on self-referential theory and its applications to accounting research the paper analyses the construction of Strategic Management Accounting (SMA) in four Italian universities, which are immersed in a similar context of change. The focus is specifically on two aspects of decisions: (1) resource allocation and (2) new academic programme.

Foucault's Overlooked Organisation: Revisiting his Critical Works

In this essay I propose a new reading of Michel Foucault's main thesis about biopower and biopolitics. I argue that organisation represents the neglected key to Foucault's new conceptualisation of power as something that is less political and more organisational. This unique contribution was lost even on his closest interlocutors. Foucault's work on power had a strong influence on organisation and management theory but interestingly not for the reasons I am proposing. In fact, although theorists in management and organisation studies have emphasised power in relation to discipline, control and subjectivity they have overlooked the transformative meaning of Foucault's organisation. His work on biopolitics has attracted opposition, too, as evidenced by the controversy sparked by Giorgio Agamben about Foucault's biopolitics. From Agamben's critique, it appears that Foucault's notions of politics and power do not allow a deconstruction of the violence of the concentration camp. However, a critical reading of Primo Levi's biographical narratives reveals the camp as a place where the prisoners’ ability to organise their daily lives secured survival. To make sense of Levi's revelation, I use John Dewey's notion of habits as forms of organisation and reconnect it to Foucault's organisation. A shared understanding of the objective conditions of human activity and experience highlights the similarities between Dewey's pragmatism and Foucault's pragmatic metaphysics. In the end, however, Foucault's metaphysical background has caught up with him, pushing him away from his own most radical proposal that organisation was the new form of power and the new substance of politics.     

Microliter-bioreactor array with buoyancy-driven stirring for human hematopoietic stem cell culture

This work presents the development of an array of bioreactors where finely controlled stirring is provided at the microliter scale (100–300 μl). The microliter-bioreactor array is useful for performing protocol optimization in up to 96 parallel experiments of hematopoietic stem cell (HSC) cultures. Exploring a wide range of experimental conditions at the microliter scale minimizes cost and labor. Once the cell culture protocol is optimized, it can be applied to large-scale bioreactors for stem cell production at the clinical level. The controlled stirring inside the wells of a standard 96-well plate is provided by buoyancy-driven thermoconvection. The temperature and velocity fields within the culture volume are determined with numerical simulations. The numerical results are verified with experimental velocity measurements using microparticle image velocimetry (μPIV) and are used to define feasible experimental conditions for stem cell cultures. To test the bioreactor array’s functionality, human umbilical cord blood-derived CD34⁺ cells were cultured for 7 days at five different stirring conditions (0.24–0.58 μm∕s) in six repeated experiments. Cells were characterized in terms of proliferation, and flow cytometry measurements of viability and CD34 expression. The microliter-bioreactor array demonstrates its ability to support HSC cultures under stirred conditions without adversely affecting the cell behavior. Because of the highly controlled operative conditions, it can be used to explore culture conditions where the mass transport of endogenous and exogenous growth factors is selectively enhanced, and cell suspension provided. While the bioreactor array was developed for culturing HSCs, its application can be extended to other cell types.     

Art versus commerce in the movie industry: a Two-Path Model of Motion-Picture Success

Previous studies of the movie industry have raised questions concerning the problematic relationship between the success-related aspects of artistic excellence and commercial appeal. The present article proposes that—when the former is measured by industry recognition (Oscars and other awards) and the latter by market performance (box office and video rentals) and when the former hinges on the evaluative judgments of reviewers and consumers (ratings of excellence) and the latter on the level of buzz among these audience members (amount of attention, word of mouth, or click of mouse)—the two phenomena are essentially separable as independent paths to conceptually distinct and empirically uncorrelated aspects of motion-picture success. An analysis of data for 190 movies from the year 2003 shows that reviewer-and-consumer evaluations and buzz respond differently to a film’s marketing clout (production budget, opening screens, and opening box office) and that these audience responses contribute independently to a film’s industry recognition and market performance along two separable paths. These findings suggest various implications for movie marketers, film producers, actors or actresses, and other members of the motion-picture industry.

Effective strategies for mental and written arithmetic calculation from the third to the fifth grade

The strategies used to solve mental and written multidigit arithmetical addition, subtraction, multiplication and division were observed in 200 third, fourth and fifth grade children. A strategy was classified as effective if it resulted in the correct solution at least 75% of the time. For mental addition and subtraction, primitive strategies such as counting on fingers and counting on (mental counting from a specific point), and the more sophisticated strategy 1010 (solution of the calculation problem using tens and units separately) were more effective than the strategies learned at school. In written addition, subtraction and multiplication there was a shift from the CAR+to the CAR- strategy (tabulating with, or without, a carried amount) from the third to the later grades. Results show that typical strategies taught at school progressively substitute every other strategy both in mental and written calculation, but without reaching the criterion of effectiveness. The implications for maths curricula are discussed.     

Good readers but at a cost? Attitudes to reading in England

The results of the Progress in International Reading Literacy Study 2001 (PIRLS) were reported in 2003. In addition to data about the reading achievements of 10‐year‐olds in 35 countries, the study also collected questionnaire information from children, their teachers, headteachers and parents. One aspect of the data that attracted comment in the media was the fact that, despite high achievement on the reading tests, children in England were reported as having relatively poor attitudes to reading, compared to children in many other countries. A review of the results of selected surveys over the past 30 years suggests that there may be some evidence of attitudes to reading in primary schools becoming less positive. Preliminary analysis of the attitude and achievement data from PIRLS suggests a more complex picture than that presented in the summary index published in 2003.