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Experimental And Quasi Experimental Designs For Research

Author: Donald T. Campbell
Publisher: Ravenio Books
ISBN:
Size: 19.56 MB
Format: PDF
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We shall examine the validity of 16 experimental designs against 12 common threats to valid inference. By experiment we refer to that portion of research in which variables are manipulated and their effects upon other variables observed. It is well to distinguish the particular role of this chapter. It is not a chapter on experimental design in the Fisher (1925, 1935) tradition, in which an experimenter having complete mastery can schedule treatments and measurements for optimal statistical efficiency, with complexity of design emerging only from that goal of efficiency. Insofar as the designs discussed in the present chapter become complex, it is because of the intransigency of the environment: because, that is, of the experimenter’s lack of complete control.

Experimental And Quasi Experimental Designs For Generalized Causal Inference

Author: William R. Shadish
Publisher: Wadsworth Publishing Company
ISBN: 9780395615560
Size: 69.10 MB
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This long awaited successor of the original Cook/Campbell Quasi-Experimentation: Design and Analysis Issues for Field Settings represents updates in the field over the last two decades. The book covers four major topics in field experimentation: Theoretical matters: Experimentation, causation, and validity Quasi-experimental design: Regression discontinuity designs, interrupted time series designs, quasi-experimental designs that use both pretests and control groups, and other designs Randomized experiments: Logic and design issues, and practical problems involving ethics, recruitment, assignment, treatment implementation, and attrition Generalized causal inference: A grounded theory of generalized causal inference, along with methods for implementing that theory in single and multiple studies

Experimental And Quasi Experimental Designs For Generalized Causal Inference

Author: William R. Shadish
Publisher:
ISBN: 9780395307878
Size: 44.90 MB
Format: PDF, ePub, Mobi
View: 7144
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This successor of the original Cook/Campbell Quasi-Experimentation: Design and Analysis Issues for Field Settings represents updates in the field over the last two decades. The book covers four major topics in field experimentation: Theoretical matters: Experimentation, causation, and validity ; Quasi-experimental design: Regression discontinuity designs, interrupted time series designs, quasi-experimental designs that use both pretests and control groups, and other designs ; Randomized experiments: Logic and design issues, and practical problems involving ethics, recruitment, assignment, treatment implementation, and attrition ; Generalized causal inference: A grounded theory of generalized causal inference, along with methods for implementing that theory in single and multiple studies.

Using Propensity Scores In Quasi Experimental Designs

Author: William M. Holmes
Publisher: SAGE Publications
ISBN: 1483310817
Size: 36.71 MB
Format: PDF, Kindle
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Using Propensity Scores in Quasi-Experimental Designs, by William M. Holmes, examines how propensity scores can be used to reduce bias with different kinds of quasi-experimental designs and to fix or improve broken experiments. Requiring minimal use of matrix and vector algebra, the book covers the causal assumptions of propensity score estimates and their many uses, linking these uses with analysis appropriate for different designs. Thorough coverage of bias assessment, propensity score estimation, and estimate improvement is provided, along with graphical and statistical methods for this process. Applications are included for analysis of variance and covariance, maximum likelihood and logistic regression, two-stage least squares, generalized linear regression, and general estimation equations. The examples use public data sets that have policy and programmatic relevance across a variety of disciplines.

Studyguide For Experimental And Quasi Experimental Designs For Generalized Causal Inference By Shadish Isbn 9780395615560

Author: 1st Editi Shadish and Cook and Campbell
Publisher: Academic Internet Pub Incorporated
ISBN: 9781428802162
Size: 20.61 MB
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Never HIGHLIGHT a Book Again! Virtually all of the testable terms, concepts, persons, places, and events from the textbook are included. Cram101 Just the FACTS101 studyguides give all of the outlines, highlights, notes, and quizzes for your textbook with optional online comprehensive practice tests. Only Cram101 is Textbook Specific. Accompanys: 9780395615560 .

Experimental Design Procedures For The Behavioral Sciences

Author: Roger E. Kirk
Publisher: SAGE
ISBN: 1412974453
Size: 19.19 MB
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Experimental Design: Procedures for Behavioral Sciences, Fourth Edition is a classic text with a reputuation for accessibility and readability. It has been revised and updated to make learning design concepts even easier. Roger E. Kirk shows how three simple experimental designs can be combined to form a variety of complex designs. He provides diagrams illustrating how subjects are assigned to treatments and treatment combinations. New terms are emphasized in boldface type, there are summaries of the advantages and disadvantages of each design, and real-life examples show how the designs are used.

Quasi Experimental Research Designs

Author: Bruce A. Thyer
Publisher: Oxford University Press
ISBN: 0195387384
Size: 53.38 MB
Format: PDF, Kindle
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This pocket guide describes the logic, design, and conduct of the range of such designs, encompassing pre-experiments, quasi-experiments making use of a control or comparison group, and time-series designs. While it can be utilized as a manual, this book is also valuable for practitioners seeking a greater conceptual understanding of quasi-experimental studies in social work literature. Human service professionals planning to undertake a program evaluation of their agency's services will find this book helpful in understanding the steps and actions needed to adopt a quasi-experimental strategy.

Foundations Of Program Evaluation

Author: William R. Shadish
Publisher: SAGE
ISBN: 9780803953017
Size: 14.91 MB
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Now in paperback, this volume summarizes, compares and contrasts the work of seven major theorists of programme evaluation. The authors develop a conceptual framework against which specific criteria of certain theories can be tested. They present the theoretical and practical advice of the theorists and critiques of their work. The conclusion summarizes the areas of agreement and disagreement between these influential theorists and offers directions for a new theory of programme evaluation.

Methods Matter

Author: Richard J. Murnane
Publisher: Oxford University Press
ISBN: 0199890153
Size: 66.40 MB
Format: PDF, Docs
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Educational policy-makers around the world constantly make decisions about how to use scarce resources to improve the education of children. Unfortunately, their decisions are rarely informed by evidence on the consequences of these initiatives in other settings. Nor are decisions typically accompanied by well-formulated plans to evaluate their causal impacts. As a result, knowledge about what works in different situations has been very slow to accumulate. Over the last several decades, advances in research methodology, administrative record keeping, and statistical software have dramatically increased the potential for researchers to conduct compelling evaluations of the causal impacts of educational interventions, and the number of well-designed studies is growing. Written in clear, concise prose, Methods Matter: Improving Causal Inference in Educational and Social Science Research offers essential guidance for those who evaluate educational policies. Using numerous examples of high-quality studies that have evaluated the causal impacts of important educational interventions, the authors go beyond the simple presentation of new analytical methods to discuss the controversies surrounding each study, and provide heuristic explanations that are also broadly accessible. Murnane and Willett offer strong methodological insights on causal inference, while also examining the consequences of a wide variety of educational policies implemented in the U.S. and abroad. Representing a unique contribution to the literature surrounding educational research, this landmark text will be invaluable for students and researchers in education and public policy, as well as those interested in social science.