Experimental And Quasi Experimental Designs For Research

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Author by Donald T. Campbell
Genre : Psychology
Publisher : Ravenio Books
ISBN :
Type : PDF & Epub
Views : 84 Page
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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.

Quasi Experimental Research Designs

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Author by Bruce A. Thyer
Genre : Social Science
Publisher : Oxford University Press
ISBN : 9780195387384
Type : PDF & Epub
Views : 214 Page
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The role of group research designs to evaluate social work practice -- Pre-experimental group research designs -- Quasi-experimental group research designs -- Time-series research designs -- Evaluating and reporting quasi-experimental studies.

Using Propensity Scores In Quasi Experimental Designs

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Author by William M. Holmes
Genre : Social Science
Publisher : SAGE Publications
ISBN : 9781483310817
Type : PDF & Epub
Views : 361 Page
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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.

Advances In Quasi Experimental Design And Analysis

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Author by William M. K. Trochim
Genre : Psychology
Publisher : Jossey-Bass
ISBN : UOM:49015002453216
Type : PDF & Epub
Views : 132 Page
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The intent of this volume of New Directions for Program Evaluation is to update, even to alter, our thinking about quasi-experimentation in applied social research and program evaluation. This volume makes the case that we have moved beyond the traditional thinking on quasi-experiments as a collection of specific designs and threats to validity toward a more integrated, synthetic view of quasi-experimentation as part of a general logical epistemological framework for research. This is the 31st issue of New Directions for Program Evaluation. For more information on the series, please see the Journals and Periodicals page.

Quasi Experimentation

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Author by Charles S. Reichardt
Genre : Business & Economics
Publisher : Guilford Publications
ISBN : 9781462540204
Type : PDF & Epub
Views : 382 Page
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Featuring engaging examples from diverse disciplines, this book explains how to use modern approaches to quasi-experimentation to derive credible estimates of treatment effects under the demanding constraints of field settings. Foremost expert Charles S. Reichardt provides an in-depth examination of the design and statistical analysis of pretest-posttest, nonequivalent groups, regression discontinuity, and interrupted time-series designs. He details their relative strengths and weaknesses and offers practical advice about their use. Reichardt compares quasi-experiments to randomized experiments and discusses when and why the former might be a better choice. Modern moethods for elaborating a research design to remove bias from estimates of treatment effects are described, as are tactics for dealing with missing data and noncompliance with treatment assignment. Throughout, mathematical equations are translated into words to enhance accessibility.

The Statistical Analysis Of Quasi Experiments

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Author by Christopher H. Achen
Genre : Social Science
Publisher : University of California Press
ISBN : 9780520370630
Type : PDF & Epub
Views : 188 Page
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This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1986.

Experimental And Quasi Experimental Designs For Generalized Causal Inference

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Author by William R. Shadish
Genre : Causation
Publisher : Cengage Learning
ISBN : UOM:39015061304716
Type : PDF & Epub
Views : 664 Page
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Sections include: experiments and generalised causal inference; statistical conclusion validity and internal validity; construct validity and external validity; quasi-experimental designs that either lack a control group or lack pretest observations on the outcome; quasi-experimental designs that use both control groups and pretests; quasi-experiments: interrupted time-series designs; regresssion discontinuity designs; randomised experiments: rationale, designs, and conditions conducive to doing them; practical problems 1: ethics, participation recruitment and random assignment; practical problems 2: treatment implementation and attrition; generalised causal inference: a grounded theory; generalised causal inference: methods for single studies; generalised causal inference: methods for multiple studies; a critical assessment of our assumptions.

Canadian Essentials Of Nursing Research

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Author by Joanne Profetto-McGrath
Genre : Medical
Publisher : Lippincott Williams & Wilkins
ISBN : 9781605477299
Type : PDF & Epub
Views : 512 Page
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"Completely revised With timely content and state-of-the-art research undertaken by Canadian nurse researchers, the Third Edition of this trusted resource provides the guidance you need to effectively critique every aspect of nursing research and apply the results to clinical practice. Canadian Essentials of Nursing Research uses clear, straightforward language and a "user-friendly" presentation to help you understand, retain, and apply fundamental concepts with ease." --Book Jacket.

Experimental And Quasi Experimental Designs For Research

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Author by Donald Thomas Campbell
Genre : Experimental design
Publisher :
ISBN : STANFORD:36105004536681
Type : PDF & Epub
Views : 106 Page
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The Statistical Analysis Of Quasi Experiments

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Author by Christopher H. Achen
Genre : Social Science
Publisher : University of California Press
ISBN : 9780520332218
Type : PDF & Epub
Views : 188 Page
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This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1986.