看张爱玲的《对照记》

张爱玲的《对照记》对照的是形象（照片）与个人身世的真实，因此她用文字来解释心得。《对照记》本身有很强的“后设性”，对《对照记》的解读，则是“后设”的“后设”。从《对照记》中所列的相当可观的张爱玲祖父祖母一代人的照片中，可以解读出她的怀古幽思，她所怀念的就是她祖父母这一代的人物和生活方式，这自觉或不自觉地展露了她的历史怀旧意识。《对照记》中没有张爱玲与父亲或母亲的合影，也没有她父母亲的合影，这些照片的缺失使《对照记》创设了一股幼时的失落感或被遗弃的情境，呈现出“褪了色”的苍凉。张爱玲自己的照片在全书中有30多幅，她的姿态在“镜花水月”式的美学意境中制造了一种神秘感。张爱玲“传奇”不仅是她的文字，也是她的形象造成的。     

Effects of using a second-screen application on attention,learning, and user experience in an educational content

Using a secondary device while viewing a primary device (i.e. TV), or media multitasking, is now common. Numerous researchers and practitioners have attempted to introduce secondary devices into education as a new learning environment providing additional information to the user. However, the learning-related effects of using a second screen remain controversial. This study examined the effects of second-screen-application use on attention, learning performance, and user experience per content relevance for three primary contents (PC; i.e. videos) requiring different amounts of cognitive load: low, medium, and high. Second-screen use reduced learning performance and user satisfaction when the PC required high cognitive load. However, participants exhibited increased learning performance, concentration, and satisfaction with the PC requiring medium-cognitive-load when highly relevant information was presented on the secondary screen simultaneously. Based on these findings, guidelines were suggested for designing a second-screen application without degrading users’ learning and experience.     

Contradictions in theorizing and implementing communities in education

Past educational improvement endeavors were fundamentally centered on the learner as an individual. This changed by the early 1990s after an increasing number of educators and researchers embraced sociocultural learning concepts such as “communities of practice,” “communities of learners,” and “knowledge-building communities.” These ideas are originally grounded in a dialectical materialist, cultural-historical theory of activity, or, as Lev Vygotsky called it, in a “concrete human [social] psychology.” However, as these concepts filtered into Western scholarship, some of their defining characteristics have been lost or downplayed. The intention of this article is thus to offer a more complete theorization of the educational notion of community that is centered on collective activity or practice mediated by history and culture/society. Two case studies, which exemplify learning communities using this lens, conclude the paper.     

Classification Consistency and Accuracy for Mixed-Format Tests

This study explores classification consistency and accuracy for mixed-format tests using real and simulated data. In particular, the current study compares six methods of estimating classification consistency and accuracy for seven mixed-format tests. The relative performance of the estimation methods is evaluated using simulated data. Study results from real data analysis showed that the procedures exhibited similar patterns across various exams, but some tended to produce lower estimates of classification consistency and accuracy than others. As data became more multidimensional, unidimensional and multidimensional item response theory (IRT) methods tended to produce different results, with the unidimensional approach yielding lower estimates than the multidimensional approach. Results from simulated data analysis demonstrated smaller estimation error for the multidimensional IRT methods than for the unidimensional IRT method. The unidimensional approach yielded larger error as tests became more multidimensional, whereas a reverse relationship was observed for the multidimensional IRT approach. Among the non-IRT approaches, the normal approximation and Livingston-Lewis methods performed well, whereas the compound multinomial method tended to produce relatively larger error.     

Learner instruction,attitudes during class and academic achievement of junior high school students in Korea: a panel analysis

This study examined changes in the structural relationship among learner-centred classes perceived by Korean junior high school students, attitudes during class and academic achievement. A linear change model was identified as optimal, showing a steady increase over time for each parameter. The higher the initial value for learner-centred classes, the higher both the initial value and rate of change was for attitudes during class and academic achievement. The initial values for attitudes during class also had a significant effect on initial values of academic achievement, suggesting that attitudes are important in increasing academic achievement. The rate of change of both learner-centred classes and attitudes during class significantly influenced the rate of change of academic achievement.     

Measuring instructional congruence in elementary science classrooms: Pedagogical and methodological components of a theoretical framework

This article is situated within a theoretical framework, instructional congruence, articulating issues of student diversity with the demands of academic disciplines. In the context of a large‐scale study targeting elementary school science, the article describes a research instrument that aims to combine the strengths of both quantitative and qualitative approaches to classroom data. The project‐developed classroom observation guideline is a series of detailed scales that produce numerical ratings based on qualitative observations of different aspects of classroom practice. The article's objectives are both pedagogical and methodological, reflecting the dual functionality of the instrument: (a) to concretize theoretical constructs articulating academic disciplines with student diversity in ways that are useful for rethinking classroom practice; and (b) to take advantage of the strengths of qualitative educational research, but within a quantitative analytical framework that may be applied across large numbers of classrooms. © 2006 Wiley Periodicals, Inc. J Res Sci Teach 44: 424–447, 2007     

Learning in honeybees as a function of amount of reward: Rejection of the equal-asymptote assumption

Foraging honeybees were trained individually with successively presented targets differing in odor, one containing 5 µl and the other 20 µl of a 50% sucrose solution, after which preferences were measured in choice tests. In Experiment 1, there were either 8 training trials with each target, 16 trials with each, or 8 trials with the 20-µ1 target and 16 trials with the 5-µl target. In Experiments 2 and 3, the odor-amount relation was reversed after either 24 or 16 trials with each target. In Experiment 4, differential reward was introduced only after two, four, or six feedings-to-repletion on each target. All of the results could be simulated quantitatively and with considerable accuracy on the assumption that the attractiveness of an odor is given by the strength of its association with sucrose; that asymptotic associative strength is an increasing function of amount of reward; and that choice between two odors is determined by their relative associative strength.     

‘Quality and quantity’: the value of online seminars for media and cultural studies undergraduates

Much previous research into the effectiveness of CMC has suffered from a lack of clarity or of consistency in the adoption and explication of coding typologies or taxonomies. This has reduced the opportunities for comparison between studies and for the accumulation of evidences to guide pedagogy. In addition, most studies of CMC have used postgraduate students from the sciences, mathematics and engineering as their subjects. There is a notable dearth of studies with undergraduate students and, in particular, with students in the arts, social sciences and humanities. In this study, 104 undergraduate students on media‐related programmes undertook a three‐week online discussion (CMC) on the nature of cultural globalisation. The quality of the discussion was evaluated using an enhanced taxonomy rooted in Bloom and other more recent writers. The pattern of dialogue was also mapped and represented graphically. The results suggest that CMC as a method for enhancing peer‐led discussion of theoretical concepts, with media arts undergraduates, can be very effective. This article makes a contribution to thinking about the evaluation of CMC learning experiences and offers recommendations on maximising the quality for the learner of such experiences.     

Two adult women managing career and family after mature higher education: alternative notions of agency?

This biographical case study explores how two South Korean middle-aged married women have managed their career and their family commitments over the period of 9 years after their mature higher education. In doing this, this study focuses on the role of agency with reference to the structure of gender throughout these women’s experiences. Biographical narrative interviews were conducted four times over the 9 years to trace various changes to their lives. The analysis suggests that the two women’s agencies were ostensibly different, but were quintessentially embedded within their intimate relationships in common. Drawing on the empirical evidence, this study seeks to address alternative notions of agency that highlight endurance, interdependence with close relations, emotion and affection, which exert a gradual but powerful impact on others and society. This study, therefore, disturbs the prevalent notions of a self-directed and rationalistic model of agency and its individualistic and dichotomous relation with structure.     

Effects of robotics programming on the computational thinking and creativity of elementary school students

Educational technology research and development - Around the world, programming education is actively promoted by such factors as economic and technical requirements. The use of a robot in...