Measurement in Medicine 1st edition by Henrica Vet – Ebook PDF Instant Download/Delivery: 0521133858 , 978-0521133852
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ISBN 10: 0521133858
ISBN 13: 978-0521133852
Author: Henrica Vet
The success of the Apgar score demonstrates the astounding power of an appropriate clinical instrument. This down-to-earth book provides practical advice, underpinned by theoretical principles, on developing and evaluating measurement instruments in all fields of medicine. It equips you to choose the most appropriate instrument for specific purposes. The book covers measurement theories, methods and criteria for evaluating and selecting instruments. It provides methods to assess measurement properties, such as reliability, validity and responsiveness, and interpret the results. Worked examples and end-of-chapter assignments use real data and well-known instruments to build your skills at implementation and interpretation through hands-on analysis of real-life cases. All data and solutions are available online. This is a perfect course book for students and a perfect companion for professionals/researchers in the medical and health sciences who care about the quality and meaning of the measurements they perform.
Measurement in Medicine 1st Table of contents:
1 Introduction
1.1 Why this textbook on measurement in medicine?
1.2 Clinimetrics versus psychometrics
1.3 Terminology and definitions
1.4 Scope of measurements in medicine
1.5 For whom is this book written?
1.6 Structure of the book
1.7 Examples, data sets, software and assignments
2 Concepts, theories and models, and types of measurements
2.1 Introduction
2.2 Conceptual models
2.3 Characteristics of measurements
2.4 Conceptual framework: reflective and formative models
2.5 Measurement theories
2.6 Summary
3 Development of a measurement instrument
3.1 Introduction
3.2 Definition and elaboration of the construct to be measured
3.3 Choice of measurement method
3.4 Selecting items
3.5 Scores for items
3.6 Scores for scales and indexes
3.7 Pilot-testing
3.8 Summary
4 Field-testing: item reduction and data structure
4.1 Introduction
4.2 Examining the item scores
4.3 Importance of the items
4.4 Examining the dimensionality of the data: factor analysis
4.5 Internal consistency
4.6 Examining the items in a scale with item response theory
4.7 Field-testing as part of a clinical study
4.8 Summary
5 Reliability
5.1 Introduction
5.2 Example
5.3 The concept of reliability
5.4 Parameters for continuous variables
5.5 Parameters for categorical variables
5.6 Interpretation of the parameters
5.7 Which parameter to use in which situation?
5.8 Design of simple reliability studies
5.9 Sample size for reliability studies
5.10 Design of reliability studies for more complex situations
5.11 Generalizability and decision studies
5.12 Cronbach’s alpha as a reliability parameter
5.13 Reliability parameters and measurement error obtained by item response theory analysis
5.14 Reliability and computer adaptive testing
5.15 Reliability at group level and individual level
5.16 Improving the reliability of measurements
5.17 Summary
6 Validity
6.1 Introduction
6.2 The concept of validity
6.3 Content validity (including face validity)
6.4 Criterion validity
6.5 Construct validity
6.6 Validation in context
6.7 Summary
7 Responsiveness
7.1 Introduction
7.2 The concept of responsiveness
7.3 Criterion approach
7.4 Construct approach
7.5 Inappropriate measures of responsiveness
7.6 Other design issues
7.7 Summary
8 Interpretability
8.1 Introduction
8.2 The concept of interpretability
8.3 Distribution of scores of the instrument
8.4 Interpretation of single scores
8.5 Interpretation of change scores
8.6 Summary
9 Systematic reviews of measurement properties
9.1 Introduction
9.2 Research question
9.3 Literature search
9.4 Eligibility criteria
9.5 Selection of articles
9.6 Evaluation of the methodological quality of the included studies
9.7 Data extraction
9.8 Content comparison
9.9 Data synthesis: evaluation of the evidence for adequacy of the measurement properties
9.10 Overall conclusions of the systematic review
9.11 Report on a systematic review of measurement properties
9.12 State of affairs
9.13 Comprehensiveness of systematic reviews of measurement properties
9.14 Summary
References
Index
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