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Testlet Response Theory and Its Applications
The measurement models employed to score tests have been evolving over the past century from those that focus on the entire test (true score theory) to models that focus on individual test items (item response theory) to models that use small groups of items (testlets) as the fungible unit from which tests are constructed and scored (testlet response theory, or TRT). In this book, the inventors of TRT trace the history of this evolution and explain the character of modern TRT. Written for researchers and professionals in statistics, psychometrics, and educational psychology, the first part offers an accessible introduction to TRT and its applications. The second part presents a comprehensive, self-contained discussion of the model couched within a fully Bayesian framework. Its parameters are estimated using Markov chain Monte Carlo procedures, and the resulting posterior distributions of the parameter estimates yield insights into score stability that were previously unsuspected.
Marketing for Financial Advisors (PB)
To financial advisors who ask, “Who has the time and money for marketing?” the authors have an important piece of advice: Treat your practice like a small business, or you will be put out of business. In an economy in flux, prospective clients are hesitant to put their financial future in the hands of just anyone. This is where Marketing for Financial Advisors comes in. The definitive marketing book designed specifically for financial advisors, it provides all the basic marketing skills you need to attract high-net-worth clients quicker and in greater numbers than ever. Putting the authors’ proven techniques to use, you can immediately build your client base by: Establishing brand and ...
Know Your Shoppers (Collection)
In Inside the Mind of the Shopper , world-renowned retail consultant Dr. Herb Sorensen, Ph.D. uncovers the truth about the retail shopper and rips away the myths and mistakes that lead retailers to miss their greatest opportunities. Every year, says Sorensen, shoppers will spend a quadrillion seconds in supermarkets and they'll waste 80% of that time. Drawing on Sorensen's breakthrough second-by-second analysis of millions of shopping trips, this book reveals how consumers actually behave, move, and make buying decisions as they move through supermarkets and other retail stores. Sorensen presents powerful, tested strategies for designing more effective stores, improving merchandising, and dr...
Computerized Adaptive Testing: Theory and Practice
This book offers a comprehensive introduction to the latest developments in the theory and practice of CAT. It can be used both as a basic reference and a valuable resource on test theory. It covers such topics as item selection and ability estimation, item pool development and maintenance, item calibration and model fit, and testlet-based adaptive testing, as well as the operational aspects of existing large-scale CAT programs.
Handbook of Research on Retailing
The advent of e-commerce and the rise of hard discounters have put severe pressure on traditional retail chains. Boundaries are blurring: traditional brick & mortar players are expanding their online operations and/or setting up their own discount banners, while the power houses of online retail are going physical, and hard discounters get caught up in the Wheel of Retailing. Even successful companies cannot sit back and rest, but need to prepare for the next wave of change. In the face of this complexity, it is all the more important to take stock of current knowledge, based on insights and experience from leading scholars in the field. What do we know from extant studies, and what are the ensuing best practices? What evolutions are ahead, and will current recipes still work in the future? This Handbook sheds light on these issues.
Food Insecurity and Hunger in the United States
The United States is viewed by the world as a country with plenty of food, yet not all households in America are food secure, meaning access at all times to enough food for an active, healthy life. A proportion of the population experiences food insecurity at some time in a given year because of food deprivation and lack of access to food due to economic resource constraints. Still, food insecurity in the United States is not of the same intensity as in some developing countries. Since 1995 the U.S. Department of Agriculture (USDA) has annually published statistics on the extent of food insecurity and food insecurity with hunger in U.S. households. These estimates are based on a survey measu...
Trading Zones and Interactional Expertise
A proposal for a new framework for fostering collaborations across disciplines, addressing both theory and practical applications. Cross-disciplinary collaboration increasingly characterizes today's science and engineering research. The problems and opportunities facing society do not come neatly sorted by discipline. Difficulties arise when researchers from disciplines as different as engineering and the humanities work together and find that they speak largely different languages. This book explores a new framework for fostering collaborations among existing disciplines and expertise communities. The framework unites two ideas to emerge from recent work in STS: trading zones, in which scie...
Social Media Intelligence
As consumers, we turn to the public arena of social media to share our opinions and learn about the opinions of others. Fortune 500 companies, political campaigns, government agencies and many other organizations constantly monitor social media to gauge public opinion. This book explains how opinions are formed, what affects the opinions posted online and how organizations can use social media to inform their strategies.
The Economics of Symbolic Exchange
Alexander Dolgin’s Economics of Symbolic Exchange is in reality not one but three books, and although these semantic layers are interlinked, the reader will need to choose between the different vectors and modalities. One clearly evident dimension is research. Certain authors introduce quite new intellectual approaches into scienti?c debate. This requires a special frame of mind and a searching curiosity about social reality. Carl Gustav Jung identi?ed a p- nomenon which he called systematic blindness: when a science reaches a stage of maturity and equilibrium, it categorically refuses, from a sense of self-preservation, to note certain facts and phenomena which it ?nds inconvenient. In Al...
The Healthcare Value Chain
This volume analyzes group purchasing organizations (GPOs) and pharmacy benefit managers (PBMs) in order to better understand the significant roles that these entities play in the healthcare supply chain. It examines who they contract with, on what terms, and who they represent and answer to while charting their historical development. The analysis reveals that the current roles of both players have historical roots that explain why they behave the way they do. Finally, the book reviews the evidence base on the performance results of these two players. This work fills a void in our understanding about two important and controversial players in the healthcare value chain. Both organizations are cloaked in secrecy — partly by virtue of the private sector contracts they negotiate, partly by virtue of the lack of academic attention. Both play potentially important roles in controlling healthcare costs, albeit using contracting strategies and reimbursement mechanisms that arouse suspicion among stakeholders. This timely text explicates how these organizations arose and evolved to shed more light on how they really operate.
