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  3. Lecture Communication research: Asking questions, finding answers (2/e): Chapter 8 - Joann Keyton

Lecture Communication research: Asking questions, finding answers (2/e): Chapter 8 - Joann Keyton

Chapter 8 - Quantitative research designs. After reading this chapter, you should be able to: Select and develop the appropriate research design for your hypotheses or research questions; understand the strengths and limitations of each design form as it relates to research findings, and argue for your design choices; explain the benefits of experimental forms over quasi-experimental and descriptive forms;... Chapter 8 Quantitative Research Designs 1 © 2006 by The McGraw­Hill Companies, Inc. All

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Chapter 8 Quantitative Research Designs 1 © 2006 by The McGraw­Hill Companies, Inc. All rights reserved. The Experimental Framework Used to determine causation Conducted in lab or other controlled setting – To control for extraneous influences – Independent variable is manipulated by researcher Participants randomly assigned to conditions or treatments 2 © 2006 by The McGraw­Hill Companies, Inc. All rights reserved. The Classical Experiment Researcher controls – Selection of treatment & control groups – based on theory – Random – Random sample assignment of participants to conditions – ensures participants in each condition are equivalent before any treatment Manipulation checks 3 © 2006 by The McGraw­Hill Companies, Inc. All rights reserved. Posttest Experimental Design 4 © 2006 by The McGraw­Hill Companies, Inc. All rights reserved. Pretest-Posttest Experimental Design 5 © 2006 by The McGraw­Hill Companies, Inc. All rights reserved. ... - tailieumienphi.vn
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