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How Many Subjects?
How Many Subjects? is a practical guide to sample size calculations and general principles of cost-effective research. It introduces a simple technique of statistical power analysis which allows researchers to compute approximate sample sizes and power for a wide variety of research designs. Because the same technique is used with only slight modifications for different statistical tests, researchers can easily compare the sample sizes required by different designs and tests to make cost-effective decisions in planning a study. These comparisons, emphasized throughout the book, demonstrate important principles of design, measurement and analysis that are rarely discussed in courses or textbooks.
How Many Subjects?
With increased emphasis on helping readers understand the context in which power calculations are done, this Second Edition introduces a simple technique of statistical power analysis that allows researchers to compute approximate sample sizes and power for a wide range of research designs. Because the same technique is used with only slight modifications for different statistical tests, researchers can then easily compare the sample sizes required by different designs and tests to make cost-effective decisions in planning a study. These comparisons demonstrate important principles of design, measurement, and analysis that are rarely discussed in courses or textbooks, making this book a valuable instructional resource as well as a must-have guide for frequent reference.
Evaluating Medical Tests
In this book, Kraemer presents a systematic, objective methodology by which to determine the effectiveness of medical tests. She shows clearly and concisely how to define statistical terms and approaches consistently from study to study, how to stipulate statistical assumptions underlying various approaches, how to check for empirical validity and how to judge the robustness of statistical outcomes, resulting in models that integrate many different approaches and extend the strengths of each.
High Quality Psychotherapy Research
High Quality Psychotherapy Research is for all psychotherapy investigators who wish to learn state-of-the-art psychotherapy research methods. Organized developmentally, the book explains the conceptualization of the trial, discusses the pilot study and the large scale study, and concludes with instructions for designing a multi-site trial.
Dimensional Approaches in Diagnostic Classification
Since its initial publication more than 50 years ago, the DSM has systematized the complex intellectual and clinical process of diagnosing mentally ill persons through the use of categories and classification. The manuals have provided a consistent diagnostic language for clinical work, research, and teaching; have established a common international taxonomic standard; and have provided psychiatrists with a means of communicating with patients and the public. With a new iteration of the DSM on the horizon, the APA has initiated a multiphase research review process designed to set the stage for the fifth revision, due to be published in 2013. This book brings together the most promising resea...
Best Practices in Quantitative Methods
The contributors to Best Practices in Quantitative Methods envision quantitative methods in the 21st century, identify the best practices, and, where possible, demonstrate the superiority of their recommendations empirically. Editor Jason W. Osborne designed this book with the goal of providing readers with the most effective, evidence-based, modern quantitative methods and quantitative data analysis across the social and behavioral sciences. The text is divided into five main sections covering select best practices in Measurement, Research Design, Basics of Data Analysis, Quantitative Methods, and Advanced Quantitative Methods. Each chapter contains a current and expansive review of the lit...
To Your Health
The public is bombarded daily with reports about risk factors, many conflicting with each other, others accepted as "scientific truth" for awhile, then scientifically disproved, yet others questionable that later prove to be true. Physicians are faced with trying to make sense of those conflicting or questionable results in the scientific literature in order to guide their patients to the best possible decisions. The situation is not much easier for scientists who may waste years of their productive life, and considerable resources, basing their research efforts on what prove to be misleading earlier research findings. What this book does is to present, in non "academese" and with many examples from the general media and scientific journals, a guide to a critical reading of research reports, which, in turn, serves as a guide to researchers as to which approaches are likely to be regarded with raised eyebrows, and what they need to do to generate results that will be taken seriously. This stimulating and helpful book was written for informed consumers and physicians as well as for scientists evaluating the risk research literature or contemplating projects on risk research.
Rutter's Child and Adolescent Psychiatry
Rutter's Child and Adolescent Psychiatry is the leading textbook in its field. Both interdisciplinary and international, it provides a coherent appraisal of the current state of the field to help researchers, trainees and practicing clinicians in their daily work. Integrating science and clinical practice, it is a comprehensive reference for all aspects of child and adolescent psychiatry. New to this full color edition are expanded coverage on classification, including the newly revised Diagnostic and Statistical Manual of Mental Disorders (DSM-5), and new chapters on systems neuroscience, relationship-based treatments, resilience, global psychiatry, and infant mental health. From an interna...
Handbook of Diversity Issues in Health Psychology
The field of health psychology has grown dramatically in the last decade, with exciting new developments in the study of how psychological and psychosocial processes contribute to risk for and disease sequelae for a variety of medical problems. In addition, the quality and effectiveness of many of our treatments, and health promotion and disease prevention efforts, have been significantly enhanced by the contributions of health psychologists (Taylor, 1995). Unfortunately, however, much of the theo rizing in health psychology and the empirical research that derives from it continue to reflect the mainstream bias of psychology and medicine, both of which have a primary focus on white, heterose...
How to Write a Successful Research Grant Application
The Department of Health and Human Services has identified Acquired Immunodeficiency Syndrome (AIDS) as the foremost public health problem in the United States. The Centers for Disease Control (CDC) report that, as of December 31, 1994, there were 441,528 documented cases of AIDS in this country, and the number is increasing. AIDS is an illness characterized by a defect in natural immunity against disease. Many more individuals are known to be infected with Human Immunodeficiency Virus (HIV) but do not have symptoms or the defming characteristics of AIDS. The incubation period for AIDS may range from 1 to 10 or more years in adults and 6 months to several years in children. Infected persons ...
