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Scaling, Equating, and Linking to Make Measures Interpretable

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Measurement Theory and Practice in Kinesiology

Human Kinetics, 2006

Ebook Chapter

4

... of examinees. These methods, however, are often more complicated to implement and describe, and require a larger sample size. Finally, when a test is constructed using item response theory (IRT) (see chapter 4 by Weimo Zhu), IRT-based scaling...

Constructing Tests Using Item Response Theory

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Measurement Theory and Practice in Kinesiology

Human Kinetics, 2006

Ebook Chapter

4

... these parameters. Because ability scales are often arbitrary in an IRT analysis, the ICCs must be matched to the same scale (e.g., using a linear transformation), before comparing (see chapter 6 by Weimo Zhu). Inspecting Overall Model–Data...

Critical Measurement and Research Issues in Analyzing Sedentary Behavior

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Sedentary Behavior and Health : Concepts, Assessments, and Interventions

Human Kinetics, 2017

Ebook Chapter

3

... at the person level (Bolger and Laurenceau 2013, 27-39; Zhu 1997). An example may be helpful for explaining this structure. Table 17.1 presents a hypothetical time-series data with four time points and n persons, where ID is the identification...

Measurement Practice in Sport and Exercise Psychology: A Historical, Comparative, and Psychometric View

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Measurement in Sport and Exercise Psychology

Human Kinetics, 2012

Ebook Chapter

3

... Zhu, 2006) have even more thorough treatments of this topic (see Wood, 1989; Rowe & Mahar, 2006). Most of the updates in validity are covered in these texts. In addition, Schutz and Park (2004) provided a clear description on the evolution...

Qi, Aging, and Measurement

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Measurement Issues in Aging and Physical Activity : Proceedings of the 10th Measurement and Evaluation Symposium

Human Kinetics, 2006

Ebook Chapter

2

...The astounding demonstration of Qi-gong by Master Chen, in which he moved a person using his Qi without physically touching the person, introduced a completely new, unknown phenomenon to many Western scientists at the M&E Symposium...

Regulated Sedentary Behavior in Occupations

Kenneth A. Glover

Kenneth A. Glover

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Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Sedentary Behavior and Health : Concepts, Assessments, and Interventions

Human Kinetics, 2017

Ebook Chapter

2

...The reader will gain an overview of the influence of economic forces and governmental regulation on sedentary behavior. By the end of this chapter, the reader should be able to do the following:Identify the three economic sectorsDescribe...

Analyzing Very Large or Very Small Data Sets

Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Anre Venter

Measurement Theory and Practice in Kinesiology

Human Kinetics, 2006

Ebook Chapter

3

... with problems that may be solved using data- mining techniques. Large data sets of physical activity and health, such as NHNES and BRFSS, are already available. Zhu (2002) recently introduced data mining to the field, and a few initial attempts...

Sedentary Behavior and Lower Back Pain

Marco S. Boscolo

Marco S. Boscolo

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Weimo Zhu

Weimo Zhu, PhD, is associate director of fellowship training in the division of geriatric medicine at Johns Hopkins Medical Center. Since 1993, he has been conducting clinical trials examining the long-term effects of diet and exercise in helping people manage their weight. In addition, he has published several reports that have shaped current thinking about exercise for overweight individuals. Author affiliation details are correct at time of print publication.

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Sedentary Behavior and Health : Concepts, Assessments, and Interventions

Human Kinetics, 2017

Ebook Chapter

2

...The reader will gain an overview of the scientific background of how sedentary behavior affects lower back pain. By the end of this chapter, the reader should be able to do the following:Discuss the association between sedentary behavior...