Research Methods for the Behavioral Sciences (MindTap Course List)
6th Edition
ISBN: 9781337613316
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 13E
Explain how a time-series design minimizes most threats to internal validity from time-related variables.
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Chapter 10 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 10.1 - Define, compare, and contrast the experimental,...Ch. 10.2 - Define a nonequivalent group design and identify...Ch. 10.2 - Explain how individual differences threaten the...Ch. 10.2 - Describe the two nonexperimental nonequivalent...Ch. 10.2 - Explain how a simple modification of the...Ch. 10.3 - Define a pre-post design and identify examples of...Ch. 10.3 - Identify the threats to internal validity for...Ch. 10.3 - Describe the nonexpenmental pretest-posttest...Ch. 10.3 - Explain how replacing the single observation...Ch. 10.4 - Define cross-sectional and longitudinal designs,...
Ch. 10.5 - Identify the statistical techniques that are...Ch. 10.5 - Explain how the terms quasi-independent variable...Ch. 10 - In addition to the key words, you should also be...Ch. 10 - Explain the distinction between experimental and...Ch. 10 - Why are studies that examine the effects of aging...Ch. 10 - Explain why we can be more confident about causal...Ch. 10 - Give an example of a situation (aside from gender)...Ch. 10 - Mueller and Oppenheimer (2014) conducted a series...Ch. 10 - A researcher measures personality characteristics...Ch. 10 - A researcher wants to describe the effectiveness...Ch. 10 - Explain how the pretest helps minimize the threat...Ch. 10 - Describe the basic characteristics of a pre-post...Ch. 10 - To evaluate the effectiveness of a new television...Ch. 10 - What characteristic differentiates a pretest-post...Ch. 10 - Explain how a time-series design minimizes most...Ch. 10 - A researcher wants to describe how fine motor...Ch. 10 - Although the cohort effect can be a serious...Ch. 10 - Identify the appropriate statistical test for each...Ch. 10 - The college offers all students an optional...
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- What time-series pattern was exemplifled during the 1980s when the American economy enjoyed a period of prosperity? Multipie Choice Seasonal Cyclical Trendarrow_forwardA time series variable generally is correlated with one or more of its laggedvalues; that is, it is serially correlated. Explain How?arrow_forwardFor the Philippines Basketball Association (PBA) 2013-2014 season, San Mig James Yap was the scoring leader with an average of 33 points per game. The following data shows the average of points per game for the scoring leader from the 2008-2009 season to the 2013-2014 season. Season Average 2008-2009 25 2009-2010 35 2010-2011 29 2011-2012 34 2012-2013 35 2013-2014 33 Use exponential smoothing to forecast this time series. Consider smoothing constant of ɑ = 0.20 and ɑ = 0.30. What value of the smoothing constant provides the best forecast/ What is the forecast of the leading scoring average for the 2014-2015 season? Graph the forecast at ɑ = 0.30.arrow_forward
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