![]() As Shaffer points out in the case of addictive disorders, both theory and the measurements that underlie theory must differentiate between first-order and second- order constructs (i.e., between unitary constructs and those comprised of other, subordinate constructs), and for both theory and its application, one must understand how constructs interrelate. Does the construct represent a pathologic condition itself or a symptom of pathology? If it is a symptom, is it part of a syndrome (a configuration of symptoms that characterizes a pathologic condition)? If a condition, does it coexist with other pathologic conditions? In terms of measurement in general, it is obvious that if one cannot define what one is measuring, it is meaningless to speak of validity and reliability. In the health sciences, construct definition has obvious implications for treatment as well as measurement, for application as well as theory. In this issue of The Behavioral Measurement Letter, Howard Shaffer examines problems in defining and measuring problem gambling in “Addiction and Gambling Disorders: On Matters of Measurement and Validity.” His piece illustrates well a fundamental problem in the health, behavioral, and social sciences, construct definition. 2: Spring 2017 – The History, Prevalence, and Measurement of Post traumatic Stress Disorder | Spring 2017 1: Fall 2016 – The Measurement of Aggressive Communication Predispositions | Fall 2016 1: Winter 2015 – Measurement of Pain: Theoretical and Empirical Foundations and Clinical Applications 1: Winter 2008 – Measurement Issues in Biobehavioral Studies 2: Winter 2007 – Improving Measurement in Nursing Research: One Focus of the New NINR Strategic Plan 1: Spring 2006 – Measurement Instruments at Your Fingertips 2: Winter 2005 – Comparing Measurement in the Natural and Behavioral Sciences 1: Winter 2003 – The Repercussions of Research Participation: Exploring Reactive Insight Effects 2: Winter 2002 – Refinements to the Luben Social Network Scale: The LSNS-R 1: Winter 2002 – Assessing the Quality of Life of Cancer Survivors 1: Winter 1999 – Addiction and Gambling Disorders: On Matters of Measurement and Validity 2: Fall 1999 – Toward a Patient Centered Measure of Spirituality 2: Spring 1998 – Spanking By Parents – Ideas on Measurement and Analysis 1: Fall 1997 – Patient Self-Report Questionnaires as Integral to Clinical Care 2: Spring 1997 – The Multitrait Multimethod (MT-MM) 1: Fall 1996 – Surveying High-Risk Sexual Behaviors 2: Spring 1996 – Beck Depression Inventory-II 1: Fall 1995 – Measuring Reminiscence in Research on Type A Behavior 2: Spring 1995 – In Front of the Bell Curve: A Prologue 1: Fall 1994 – Looking Inside HaPI: Searching for Instruments on a Particular Topic 2: Spring 1994 – HaPI: A Comprehensive Selection of Instruments to Measure Behavior 1: Fall 1993 – HaPI: A Unique Resource for Measurement Information ![]()
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