Technical analysis of a Central Asian wall painting detached from a Buddhist cave temple on the northern Silk Road

A great number of Central Asian wall paintings, archeological materials, architectural fragments, and textiles, as well as painting fragments on silk and paper, make up the so called Turfan Collection at the Asian Art Museum in Berlin. The largest part of the collection comes from the Kucha region, a very important cultural center in the third to ninth centuries. Between 1902 and 1914, four German expeditions traveled along the northern Silk Road. During these expeditions, wall paintings were detached from their original settings in Buddhist cave complexes. This paper reports a technical study of a wall painting, existing in eight fragments, from the Buddhist cave no. 40 (Ritterhöhle). Its original painted surface is soot blackened and largely illegible. Grünwedel, leader of the first and third expeditions, described the almost complete destruction of the rediscovered temple complex and evidence of fire damage. The aim of this case study is to identify the materials used for the wall paintings. Furthermore, soot deposits as well as materials from conservation interventions were of interest. Non-invasive analyses were preferred but a limited number of samples were taken to provide more precise information on the painting technique. By employing optical and scanning electron microscopy, energy dispersive X-ray spectroscopy, micro X-ray fluorescence spectroscopy, X-ray diffraction analysis, and Raman spectroscopy, a layer sequence of earthen render, a ground layer made of gypsum, and a paint layer containing a variety of inorganic pigments were identified.     

The clinical use of motivational messages: an inquiry into the validity of the ARCS model of motivational design

Instruction, even when prepared according to sound instructional design principles, often does not stimulate students' motivation to learn. A motivational intervention, developed according to the processes outlined inthe ARCS model of motivational design, was implemented and tested following the conventions of an embedded single-case study. It was tested with a group of 15 adults participating in a staff development course conducted within the Mozambique Ministry of Education. Results, based on concurrent and discriminant analysis of both quantitative and qualitative data, indicated that the primary treatment, motivational messages, had positive effects on student attitude and performance. It may be concluded that the specific intervention and the ARCS model which provided the basis for designing it provide a sound basis for positively influencing student motivation to learn.     

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Ohne Zusammenfassung     

Kallaway,Peter (ed.). 2002. The History of Education under Apartheid 1948–1994. The Doors of Learning and Culture Shall be Opened. New York: Peter Lang. 399 pp. ISBN: 0-8204-5754-X.

International Review of Education -     

Influence of Previous Knowledge, Language Skills and Domain-specific Interest on Observation Competency

Many epoch-making biological discoveries (e.g. Darwinian Theory) were based upon observations. Nevertheless, observation is often regarded as ‘just looking’ rather than a basic scientific skill. As observation is one of the main research methods in biological sciences, it must be considered as an independent research method and systematic practice of this method is necessary. Because observation skills form the basis of further scientific methods (e.g. experiments or comparisons) and children from the age of 4 years are able to independently generate questions and hypotheses, it seems possible to foster observation competency at a preschool level. To be able to provide development-adequate individual fostering of this competency, it is first necessary to assess each child’s competency. Therefore, drawing on the recent literature, we developed in this study a competency model that was empirically evaluated within learners (N = 110) from different age groups, from kindergarten to university. In addition, we collected data on language skills, domain-specific interest and previous knowledge to analyse coherence between these skills and observation competency. The study showed as expected that previous knowledge had a high impact on observation competency, whereas the influence of domain-specific interest was nonexistent. Language skills were shown to have a weak influence. By utilising the empirically validated model consisting of three dimensions (‘Describing’, ‘Scientific reasoning’ and ‘Interpreting’) and three skill levels, it was possible to assess each child’s competency level and to develop and evaluate guided play activities to individually foster a child’s observation competency.     

Teaching effectiveness: Comparisons between traditional and nontraditional college students

This article compares traditional college students' perceptions of effective teaching behaviors with nontraditional students' perceptions. A 15-item questionnaire was completed by undergraduates at a small Southeastern university. Nontraditional students viewed personality and interaction behaviors as more indicative of effective teaching, whereas traditional students focused on behaviors that potentially would enhance grades. The implications of the findings are discussed in light of techniques and approaches that facilitate the needs of both types of students.His major areas of interest include testing and counseling. Nina Mattie, M.A. is a recent graduate of the University of West Florida in the area of school psychology. Stephen J. Vodanovich, Ph.D. is an assistant professor in the psychology department at the University of West Florida. His major areas of interest are social psychology and industrial/organizational psychology. Chris Piotrowski, M.A. is a consultant in forensic psychology. His major areas of interest are personality assessment and online database searching.     

Characteristics of child sexual abuse treatment programs

Within the professional community, a vast number of sexual abuse treatment programs have emerged to meet the needs of victims and their families. Significant variations among these programs can be observed due to differences in philosophy, system context, client focus, problem definition, and the treatment strategy adopted. Unfortunately, little comparative information is available regarding the operation of different programs and, more importantly, their relative treatment effectiveness. This article presents the findings from a nationwide survey of 553 sexual abuse treatment programs. The survey focused on program context, client, and service characteristics. Overall it was found that most programs are affiliated with a larger public or private agency, focus on treating victims, and rely on a combination of individual, family, dyad, and group therapy approaches.     

The effects of college grade adjustments on the predictive validity and utility of SAT scores

Regressing adjusted grade-point averages on freshman SAT scores and high school grade-point averages results in large increases in the incremental predictive validity of the SAT. Even so, the SAT still changes no more than a small proportion of admissions decisions and does not result in substantively important increases in freshman grades. The test does, however, change the composition of the freshman class by altering acceptances to some major areas of study and by limiting the access of women and blacks.