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Fracture Mechanics Of Human Cortical Bone: The Relationship Of Geometry, Microstructure And Composition With The Fracture Of The Tibia, Femoral Shaft And The Femoral Neck., Yener Nail Yeni Jan 1998

Fracture Mechanics Of Human Cortical Bone: The Relationship Of Geometry, Microstructure And Composition With The Fracture Of The Tibia, Femoral Shaft And The Femoral Neck., Yener Nail Yeni

Graduate Theses, Dissertations, and Problem Reports (ETD)

Bone fracture is a major health problem in old population with its complications leading to mortality and morbidity. Therapies mostly involve preventing bone mass loss. Individuals with high bone mass, however, may still suffer fractures suggesting that additional components such as bone microstructure and composition may be responsible for increased fracture risk in the elderly. The relationship of bone constituents with bone fragility, however, is not well-understood. A better understanding of these relationships will help improving therapies by controlling the relevant biological processes. Bone is a composite material with many constituents such as osteons embedded with vascular channels, collagen fibers, …


Enhanced Heat Transfer To A Flat Plate From An Oscillating Annular Heated Jet., James Lee Spenik Jan 1998

Enhanced Heat Transfer To A Flat Plate From An Oscillating Annular Heated Jet., James Lee Spenik

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this investigation was to examine one possible method of heat transfer enhancement. A free annular jet was oscillated and impinged on a flat plate to determine the effects of oscillation on the subsequent heat transfer. The nozzle through which the jet was emitted was an axisymmetric bistable fluidic oscillator but was oscillated through mechanical and pneumatic means for this investigation. The frequencies investigated ranged from steady flow to 25 Hz. The investigation used two methods, computational and experimental. The computational fluid dynamics package FLUENT version 4.3 was used to determine instantaneous heat fluxes and determine the flow …


The Relationships Among Teacher Characteristics, Student Learning, And Teacher Evaluation., Jason John Teven Jan 1998

The Relationships Among Teacher Characteristics, Student Learning, And Teacher Evaluation., Jason John Teven

Graduate Theses, Dissertations, and Problem Reports (ETD)

The past several decades have witnessed an increasing concern with the role of communication in the instructional environment. The primary purpose of this research was to identify the specific teacher characteristics or behavior patterns which communicate caring to students and to identify those teacher characteristics or "misbehaviors" that disrupt the students' perceptions of caring. This investigation demonstrated that teacher immediacy and the teacher traits of socio-communicator style (e.g., assertiveness and responsiveness) and tolerance for disagreement have a significant, positive relationships with students' perceptions of teacher caring, learning outcomes, and the way students evaluate those teachers. Respondents in the study were …


The Development Of 8-Ono-Adenosine Triplex Dna., Deepak D. Thakkar Jan 1998

The Development Of 8-Ono-Adenosine Triplex Dna., Deepak D. Thakkar

Graduate Theses, Dissertations, and Problem Reports (ETD)

Triplex DNA is a unique structure formed by the sequence specific interaction of triplex forming oligonucleotides (TFOs) with DNA, via hydrogen bonds, in its major groove. For this binding to occur base triplets like G(ON)-G:C(DNA), T(ON)-A:T(DNA), C+(ON)-G:C(DNA) must form, subsequent to the interaction of the TFOs with the DNA. TFOs directed to bind to the promoter or to the internal region of the oncogene, can prevent its transcription, and ultimately abolish oncoprotein production. This study has investigated the use of a novel modified nucleoside analog OdA (8-oxo-2{dollar}\\sp\\prime{dollar}-deoxyadenosine) for targeting the G:C rich regions of DNA to form OdA-G:C triplets with …


The Effects Of Knowledge Of Results Compared To Knowledge Of Results With Goal Setting Intervention On Selected Tennis Skills., Oliver Trittenwein Jan 1998

The Effects Of Knowledge Of Results Compared To Knowledge Of Results With Goal Setting Intervention On Selected Tennis Skills., Oliver Trittenwein

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to investigate the effect of knowledge of results (KR) compared to KR-with-goal-setting on selected tennis skills with three female collegiate tennis players over the course of a competitive season. A goal-setting program was designed using the goal attainment scaling procedure (Smith, 1988), where participants generated numerical targets for their chosen components. A multiple-baseline, single-subject design across behaviors replicated across participants was employed. Data were examined by way of change in mean, level, and trend between baseline and first intervention (KR), baseline and second intervention (KR-with-goal-setting), and first and second intervention. All three participants provided …


Thermal Stress Prediction For Direct-Chill Casting Of A High Strength Aluminum Alloy., Jian Wan Jan 1998

Thermal Stress Prediction For Direct-Chill Casting Of A High Strength Aluminum Alloy., Jian Wan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Direct chill (D.C.) casting is one of the most important semi-continuous methods for the production of high strength aluminum alloys. The enormous unevenly cooling of ingots during the casting process can cause significant thermally induced stresses, which may result in solidification cracking. The control of the cracking during DC casting is a state-of-art technology, and many finite element models have been applied to simulate the solidification process during ingot casting. So far, most of the simulations can predict the thermal fields of the ingot accurately, but very few works can get satisfactory thermal stress profiles. One of the major difficulties …


Parametric Study Of Dust Generation With Rock Ridge Breakage Analysis Using A Simulated Continuous Miner., Venkata Babu Achanti Jan 1998

Parametric Study Of Dust Generation With Rock Ridge Breakage Analysis Using A Simulated Continuous Miner., Venkata Babu Achanti

Graduate Theses, Dissertations, and Problem Reports (ETD)

Efficient rock breakage is a result of optimum use of available resources in a continuous mining system. Research demonstrates that specific respirable dust must be kept at a minimum in order to produce the optimum parameters of rock breakage process. A cutting process that induces large chips of cut product results in minimum respirable dust. To produce larger chips of cut product, a correct inter-play of several bit geometry related parameters is essential. As the ridges/lands between two adjacent grooves are removed, a free surface is available for subsequent cuts. The nature of ridge failure is a function of the …


Recording In Social Work Education., Natalie R. Ames Jan 1998

Recording In Social Work Education., Natalie R. Ames

Graduate Theses, Dissertations, and Problem Reports (ETD)

For over 50 years, social work educators have been criticized for failing to teach recording skills, yet there is little research on recording in the social work curriculum. The goals of this exploratory study were to identify the issues associated with the inclusion or exclusion of recording in the social work curriculum and describe teaching strategies and materials used by instructors who include content on recording. The four research questions addressed: whether social work faculty perceive recording as legitimate curriculum content; the factors associated with deciding to include or exclude recording; the content of any instruction on recording; and teaching …


A Design Of Fault Tolerant Flight Control Systems For Sensor And Actuator Failures Using On-Line Learning Neural Networks., Younghwan An Jan 1998

A Design Of Fault Tolerant Flight Control Systems For Sensor And Actuator Failures Using On-Line Learning Neural Networks., Younghwan An

Graduate Theses, Dissertations, and Problem Reports (ETD)

The research in this document focuses on the performance of a neural network-based fault tolerant system within a flight control system. This fault tolerant flight control system integrates sensor and actuator failure detection, identification, and accommodation (SFDIA and AFDIA). The SFDIA task is achieved by incorporating a main neural network (MNN) and a set of n decentralized neural networks (DNNs) for a system with n sensors assumed to be without physical redundancy. Particularly, the purpose of the MNN is to detect a wide variety of sensor failures while the purpose of the DNNs is to identify the particular sensor that …


Enhancing Global Understanding Through Traditional African Music And Dance: A Multicultural African Music Curriculum For American Middle Schools., Paschal Yao Younge Jan 1998

Enhancing Global Understanding Through Traditional African Music And Dance: A Multicultural African Music Curriculum For American Middle Schools., Paschal Yao Younge

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study is to construct an African Music and Dance Interdisciplinary Curriculum for American Middle Schools. Questions addressed while developing this Multicultural Music Education Curriculum model are: the philosophy underlying multicultural music education in the United States; the type of knowledge gained through multicultural music education; how this knowledge can be made relevant to the middle school student, teacher, parents, and the larger society; ways of integrating African music into multicultural music education programs in American middle schools; support needed for teachers who teach African music in American middle school classrooms; and how the knowledge gained through …


Identification And Characterization Of Sympathetic Neurons That Innervate Mesenteric Artery Or Vein In The Guinea-Pig., Zhongling Zheng Jan 1998

Identification And Characterization Of Sympathetic Neurons That Innervate Mesenteric Artery Or Vein In The Guinea-Pig., Zhongling Zheng

Graduate Theses, Dissertations, and Problem Reports (ETD)

Guniea-pig inferior mesenteric ganglion (IMG) neurons that innervate artery or vein were separate neurons and there was no double labeling (Fluorogold and rhodamine beads) in the labeled neurons. The arterial neurons located in the central part of the IMG whereas venous neurons located peripherally. The cross-sectional area of total somata of arterial neurons was smaller than those of venous neurons which were smaller than unlabeled neurons. NPY-IR was found in 18% of arterial neurons, but not in venous neurons. All of the labeled vascular neurons fired tonically using whole cell patch-clamp recordings. All three types of neurons received a capsaicin-sensitive …


The Impact Of Egalitarian Children's Literature On Occupational Sex Role Stereotyping In Kindergartners And First Graders., Robin Ann Mayer Jan 1998

The Impact Of Egalitarian Children's Literature On Occupational Sex Role Stereotyping In Kindergartners And First Graders., Robin Ann Mayer

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study aimed to determine if reading children books about people in nontraditional occupations would decrease occupational sex role stereotyping. The study also attempted to identify correlations between students’ occupational sex role stereotyping and the following demographic variables: age, gender, parents’ socioeconomic status, mother’s employment, and traditionality of mother’s employment. One hundred twelve kindergartners and first graders from two rural schools in West Virginia were administered a questionnaire, as a pretest, to determine the degree of which they stereotype 14 occupations according to sex. Of the 14 occupations, 5 were traditionally female sex-typed, 7 were traditionally male sex-typed, and 2 …


A Toolbox Of Intelligent Solutions For Hydraulic Fracturing Models., Andrei Sergiu Popa Jan 1998

A Toolbox Of Intelligent Solutions For Hydraulic Fracturing Models., Andrei Sergiu Popa

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study is to develop a Front-End and an Optimization Routine that will help petroleum engineers to design optimum treatment schedules for hydraulic fracturing. This tool reduces the time engineers spend designing optimum treatment schedules by proposing a solution based on virtual intelligence. Neural networks and genetic algorithms are integrated in a software application to achieve the objective of this study. A methodology to reduce the total number of layers to four characteristic layers was developed. Using this methodology, two types of neural networks were trained. A new selection method was developed for the genetic algorithm process. …


The Relationship Between Gender, Faculty Development, And Class Size And Sense Of Efficacy Of College Mathematics Teachers., Beth Cipoletti Jan 1998

The Relationship Between Gender, Faculty Development, And Class Size And Sense Of Efficacy Of College Mathematics Teachers., Beth Cipoletti

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to examine the relationship between gender of the teacher, faculty development, and class size of college mathematics teachers. The population for this study were 272 randomly selected institutions nationwide granting degrees in mathematics. A survey packet with a cover letter, a copy of the Teacher Efficacy Scale (Gibson & Dembo, 1984), and a questionnaire was mailed to the mathematics departments at each of the selected institutions. The recipient of the mailing was asked to either complete the enclosed instruments or forward the packet to a fellow full-time mathematics teacher. The return rate was 46%. …


Evaluation Of The Flow Theory In Whitewater Kayaking., Christopher Douglass Jones Jan 1998

Evaluation Of The Flow Theory In Whitewater Kayaking., Christopher Douglass Jones

Graduate Theses, Dissertations, and Problem Reports (ETD)

The validation of the flow theory in an on-site whitewater setting is examined. A-priori hypotheses emphasized 3 concerns: (1) the relationship between a four channel model of flow and specific levels of flow indicators, (2) differences in the explanatory power of the four channel model and an original model of flow, and (3) the relationship between river difficulty and the frequencies of four channels (flow, anxiety, apathy, and boredom). On-site experiences of 52 whitewater kayakers were assessed with a series of single page questionnaires administered in the Cheat River Canyon in West Virginia. Sampling techniques involved a modification of the …


Take Center Stage: The Perceived Effect Of Performance-Based Teaching Methodology On Students' Understanding Of Shakespeare's "A Midsummer Night's Dream"., Francene Davis Kirk Jan 1998

Take Center Stage: The Perceived Effect Of Performance-Based Teaching Methodology On Students' Understanding Of Shakespeare's "A Midsummer Night's Dream"., Francene Davis Kirk

Graduate Theses, Dissertations, and Problem Reports (ETD)

This descriptive study was undertaken to determine if the use of performance fostered understanding of A Midsummer Night's Dream, engagement with Shakespeare's text, independence from the teacher, and a positive attitude toward the study of Shakespeare's plays among 39 ninth grade students. In a typical 90 minute period, students read scenes and participated in performance activities followed by discussion or written assignments for 15 days. The students were divided into acting companies to perform a final scene. Acting company meetings and performance activities were recorded. Students completed questionnaires concerning their attitudes toward the study of Shakespeare's plays. Students were interviewed …


A Transient Computational Fluid Dynamic Model Of A Unit Injector Using Methanol Fuel., Eugene Anthony Mckenzie Jan 1998

A Transient Computational Fluid Dynamic Model Of A Unit Injector Using Methanol Fuel., Eugene Anthony Mckenzie

Graduate Theses, Dissertations, and Problem Reports (ETD)

The use of alternative fuels such as Ethanol, Methanol and Natural Gas in automotive applications has increased due to the strict environmental regulations. These are used to reduce automotive emissions, especially in heavy trucks and city bus fleets. Most of these vehicles use diesel fuel as their primary fuel. Trucks and buses with Detroit Diesel engines have the option to operate using methanol as their primary fuel instead of diesel fuel. Due to the low lubricity of methanol fuel, the unit fuel injectors injecting methanol fuel have a shorter operating life than those injecting diesel fuel do. To study the …


Genotoxicity Studies Of Roofing Asphalt Fume Condensates In Mammalian Cells., Hongwei Qian Jan 1998

Genotoxicity Studies Of Roofing Asphalt Fume Condensates In Mammalian Cells., Hongwei Qian

Graduate Theses, Dissertations, and Problem Reports (ETD)

The specific aims of the present investigation were to determine the genotoxicity and potential carcinogenicity of WFC of Type I and Type III roofing asphalt by using different genetic endpoints in mammalian cells in vitro and in rat in vivo. Morphological transformation studies in cultured BALB/c-3T3 cells indicated that at concentrations that allow less than 50% survival, neither of the WFC, with or without the hamster liver S9 activation system, significantly increased foci formation in BALB/c-3T3 cells. The conventional and immunofluorescent staining MN assays showed that both types of WFC caused a significant increase in the frequency of MNC and …


The Nature Of Semantic Memory Deficits In Alzheimer's Disease: Semantic Degradation Or Working Memory Deficits., Staci Robyn Jan 1998

The Nature Of Semantic Memory Deficits In Alzheimer's Disease: Semantic Degradation Or Working Memory Deficits., Staci Robyn

Graduate Theses, Dissertations, and Problem Reports (ETD)

The nature of semantic memory deficits in Alzheimer's disease (AD) has been subject to controversy. It is unclear whether semantic memory is impaired because of degradation of semantic knowledge or due to information processing deficits. This study compared 18 patients with AD to 18 control participants who did not differ significantly in age, education, or gender on three working memory tasks. Three variations of the Self Ordered Pointing Task (SOPT) which varied in the degree of ability to utilize semantic processing skills were administered. Results indicated that patients with AD demonstrated working memory impairments compared to control participants. However, patients …


"The Least Thing You Hear About In The Dorm": Cultural Themes For Academic Activity In A Women's Residence Hall At A Public Comprehensive University., Linda Pedretty Rowe Jan 1998

"The Least Thing You Hear About In The Dorm": Cultural Themes For Academic Activity In A Women's Residence Hall At A Public Comprehensive University., Linda Pedretty Rowe

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to explore the ways students experienced and interpreted academic activity within the culture of their daily lives on an undergraduate women's floor in a residence hall at a comprehensive four-year public university in the upper Southern region of the United States. Procedures for ethnographic inquiry, a qualitative research method, were followed to collect and analyze data by participant observation and interviews during the 1992-1993 academic year. The findings are presented in a case study format. The residents of the floor experienced social and academic activity as belonging to different and unequal realms of college …


States And War Coalitions: A Case Study Of The Gulf War., George Sprowls Jan 1998

States And War Coalitions: A Case Study Of The Gulf War., George Sprowls

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dissertation discusses the theoretical and empirical differences between war coalitions and alliances. It also provides some answers to the question: "Why do some nations choose to join war coalitions while other nations, in apparently similar circumstances, choose not to join?" At the systemic level of analysis, dependence on economic aid, membership in a formal alliance with a key participant, and proximity to the conflict are correlated with the level of participation in a war coalition. At the state level, the degree of democratization, levels of regime fragmentation and vulnerability, and the presence of statutory prohibitions against using military force …


Estradiol Responsive Neural Systems Involved In Seasonal Breeding In The Ewe., Ivan Stefanovic Jan 1998

Estradiol Responsive Neural Systems Involved In Seasonal Breeding In The Ewe., Ivan Stefanovic

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the ewe, seasonal anestrus results from a change in the hypothalamic responsiveness to estradiol (E2) negative feedback. Various studies have demonstrated a role of hypothalamic dopaminergic cell groups in this seasonally dependent E2 effect. However, these neurons do not possess α-estrogen receptors (ER), therefore suggesting existence of another neural system mediating E2 inhibition. In the first study, we attempted to identify these E2-responsive neurons, by screening hypothalamic areas known to contain ER to determine if E2 induced Fos/FRAs expression in any ER-containing neurons. Based on the results of this analysis, we next tested whether the activation of a specific …


The Relationship Between Social Interest And Self-Concept In Conduct-Disordered Adolescents., Emily M. Sweitzer Jan 1998

The Relationship Between Social Interest And Self-Concept In Conduct-Disordered Adolescents., Emily M. Sweitzer

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study attempted to examine the constructs that are involved in the development of an adolescent Conduct Disorder. Specifically, the study explored the theoretical propositions of Alfred Adler which address the dynamic relationship between the development of one's self and the concurrent development of one's social interest in others. For the purposes of this study, 30 Conduct Disordered adolescents and 30 comparison adolescents, between the ages of 14 and 17, were administered the Piers Harris Self Concept Scale and Crandall's Social Interest Scale. A qualitative interview was also conducted with the Conduct Disordered adolescents to ascertain both their individual perceptions …


A Study Of The Impact Of Mentoring On West Virginia Public School Teachers., Linda K. Dunlap Jan 1998

A Study Of The Impact Of Mentoring On West Virginia Public School Teachers., Linda K. Dunlap

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the wave of educational reform that swept the United States during the decade of the eighties, many became concerned about the apparent large number of beginning teachers who were leaving the profession in the first three years. Those who worked closely with teacher education programs, began to look at how teachers were trained. Out of their research and dialogue came the need to foster better ways to help new teachers make the transition from student to classroom teacher. Teacher induction programs which included formal mentoring programs were initiated very quickly across many states, since it was believed that a …


What Primary Care Physicians Need To Know About Attention-Deficit Hyperactivity Disorder: A Delphi Of Experts And A Content Analysis., Barry Thomas Linger Jan 1998

What Primary Care Physicians Need To Know About Attention-Deficit Hyperactivity Disorder: A Delphi Of Experts And A Content Analysis., Barry Thomas Linger

Graduate Theses, Dissertations, and Problem Reports (ETD)

Attention-deficit hyperactivity disorder (ADHD) is a chronic neurobiological condition characterized by developmentally inappropriate attention, impulsivity, and, in some cases, hyperactivity. ADHD is a growing problem in the United States educational system with an estimated 3 to 5 percent of the school-aged population, or approximately 2 million children and adolescents affected. Substantial scientific research has been conducted to examine the effectiveness of stimulant medication as a treatment for ADHD. Little research, however, has been conducted to examine the preparedness of physicians to diagnose, treat, and monitor children with ADHD. This study determined what essential knowledge, attitudes, and skills primary care physicians …


The Relationships Among Hypermedia-Based Instruction, Cognitive Styles And Teaching Subject-Verb Agreement To Adult Esl Learners., Fuqiang Zhuo Jan 1998

The Relationships Among Hypermedia-Based Instruction, Cognitive Styles And Teaching Subject-Verb Agreement To Adult Esl Learners., Fuqiang Zhuo

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examines the relationships among hypermedia-based instruction, cognitive styles, and teaching subject-verb agreement to adult ESL learners in order to find an effective approach to teach grammar which is a very thorny issue in the field of second and foreign language instruction and learning. Therefore, the effect of hypermedia on grammar instruction and learning is the main focus in this study. The treatment was the employment of hypermedia creating a new learning environment in which the adult ESL learners could be benefited from the advantages of new technology. Based on the current methodologies, approaches, and principles of second and …


The Battleground Of The Adolescent Body: Growing Up Female In The Novels Of Female Development., Brenda D. Boudreau Jan 1998

The Battleground Of The Adolescent Body: Growing Up Female In The Novels Of Female Development., Brenda D. Boudreau

Graduate Theses, Dissertations, and Problem Reports (ETD)

For many adolescent girls growing up in a contemporary American society, a secure body image is difficult to achieve, and often her body becomes an obstacle to autonomy and self-agency as the girl tries to reconcile her body to the demands of a socially-proscribed gendered identity. Because of their age and social position, girls are particularly vulnerable to disciplinary practices, often feeling an intensified pressure during adolescence to achieve a body of particular shape, size, or appearance. Many contemporary novels of female development written by women, however, insist that it is only by recognizing this pressure that girls can begin …


Constructing Identities And Defining The Nation: Germany Since 1949., Frank Anthony Allevato Jan 1998

Constructing Identities And Defining The Nation: Germany Since 1949., Frank Anthony Allevato

Graduate Theses, Dissertations, and Problem Reports (ETD)

Not long after Germans began the historic task of dismantling the Berlin Wall in 1989, their country was again reunited after forty-five years of division. For the second time in less than a century, a majority of Europe’s Germans were brought together under the banner of a single political sovereignty. As the enlarged Federal Republic psychologically reorients and physically reconstructs itself, the event is likely to have continued European and worldwide implications. Understanding the new Germany’s internal development and its evolving self-perceptions is to conceive of the country’s role now and in the years ahead; central to understanding Germany today …


Gendered Expectations: An Exploration Of Identity And Power In The Life Of Katherine Of Aragon., Jennifer R. Daum Jan 1998

Gendered Expectations: An Exploration Of Identity And Power In The Life Of Katherine Of Aragon., Jennifer R. Daum

Graduate Theses, Dissertations, and Problem Reports (ETD)

How is it that Katherine of Aragon, a woman seemingly destined for a major impact on world events, has been relegated to the role of scorned wife and stubborn obstacle to historical progress? Beliefs about women’s roles limited Katherine while she was alive and influenced historical interpretations about her after her death. Katherine’s own interpretation of her role as a wife and mother evolved out of her perceptions of the opinions of others. The role that others had created for her was rigidly interpreted and internalized by Katherine. By not allowing herself to be used as a pawn by either …


Constructing Identities And Defining The Nation: Germany Since 1949., Frank Anthony Allevato Jan 1998

Constructing Identities And Defining The Nation: Germany Since 1949., Frank Anthony Allevato

Graduate Theses, Dissertations, and Problem Reports (ETD)

Not long after Germans began the historic task of dismantling the Berlin Wall in 1989, their country was again reunited after forty-five years of division. For the second time in less than a century, a majority of Europe’s Germans were brought together under the banner of a single political sovereignty. As the enlarged Federal Republic psychologically reorients and physically reconstructs itself, the event is likely to have continued European and worldwide implications. Understanding the new Germany’s internal development and its evolving self-perceptions is to conceive of the country’s role now and in the years ahead; central to understanding Germany today …