Search Results - "Wirth, R J"

Item Factor Analysis: Current Approaches and Future Directions by Wirth, R. J, Edwards, Michael C

“…The rationale underlying factor analysis applies to continuous and categorical variables alike; however, the models and estimation methods for continuous…”
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The Measurement of Executive Function at Age 3 Years: Psychometric Properties and Criterion Validity of a New Battery of Tasks by Willoughby, Michael T, Blair, Clancy B, Wirth, R. J, Greenberg, Mark

“…In this study, the authors examined the psychometric properties and criterion validity of a newly developed battery of tasks that were designed to assess…”
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The Measurement of Executive Function at Age 5: Psychometric Properties and Relationship to Academic Achievement by Willoughby, Michael T., Blair, Clancy B., Wirth, R. J., Greenberg, Mark

“…This study examined the psychometric properties and criterion validity of a newly developed battery of executive function (EF) tasks for use in early…”
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Executive Function in Early Childhood: Longitudinal Measurement Invariance and Developmental Change by Willoughby, Michael T., Wirth, R. J., Blair, Clancy B.

“…This study tested the longitudinal measurement invariance and developmental changes of a newly developed battery of executive function (EF) tasks for use in…”
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Family Socioeconomic Status and Consistent Environmental Stimulation in Early Childhood by Crosnoe, Robert, Leventhal, Tama, Wirth, R. J., Pierce, Kim M., Pianta, Robert C.

“…The transition into school occurs at the intersection of multiple environmental settings. This study applied growth curve modeling to a sample of 1,364…”
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Using validity theory and psychometrics to evaluate and support expanded uses of existing scales by Houts, Carrie R., Bush, Elizabeth Nicole, Edwards, Michael C., Wirth, R. J.

“…Background Scale development is a complex activity requiring significant investments of time and money to produce evidence of a scale’s ability to produce…”
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Contributions of modern measurement theory to measuring executive function in early childhood: An empirical demonstration by Willoughby, Michael T., Wirth, R.J., Blair, Clancy B.

“…This study demonstrates the merits of evaluating a newly developed battery of executive function tasks, designed for use in early childhood, from the…”
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Measuring headache day severity using multiple features in daily diary designs by McGinley, James S, Houts, Carrie R, Wirth, R J, Lipton, Richard B

“…Though migraine is thought of as a symptom complex, symptoms are typically assessed one at a time. For use in clinical research, we developed a composite…”
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Development of the Contact Lens User Experience: CLUE Scales by Wirth, R J, Edwards, Michael C, Henderson, Michael, Henderson, Terri, Olivares, Giovanna, Houts, Carrie R

“…PURPOSEThe field of optometry has become increasingly interested in patient-reported outcomes, reflecting a common trend occurring across the spectrum of…”
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A randomized controlled trial of group cognitive-behavioral therapy vs. enhanced supportive therapy for auditory hallucinations by Penn, David L, Meyer, Piper S, Evans, Elizabeth, Wirth, R.J, Cai, Karen, Burchinal, Margaret

“…Abstract There has been little research examining group cognitive-behavioral therapy (CBT) for schizophrenia, especially compared to an active control…”
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What do people want to know about "Growing Up with Migraine"? Results of a preference survey of people with lived experience to guide future research by McGinley, James S, Savord, Andrea, Houts, Carrie R, Wirth, R J, Lipton, Richard B, Buse, Dawn C

“…In recent years, emphasis has been placed on conducting headache research that is patient-centered to more explicitly incorporate the input of people who live…”
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Psychometric performance of the Primary Mitochondrial Myopathy Symptom Assessment (PMMSA) in a randomized, double-blind, placebo-controlled crossover study in subjects with mitochondrial disease by Gwaltney, Chad, Stokes, Jonathan, Aiudi, Anthony, Mazar, Iyar, Ollis, Sarah, Love, Emily, Karaa, Amel, Houts, Carrie R., Wirth, R. J., Shields, Alan L.

“…Background The Primary Mitochondrial Myopathy Symptom Assessment (PMMSA) is a 10-item patient-reported outcome (PRO) measure designed to assess the severity of…”
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Validation of the yale-brown obsessive compulsive scale modified for binge eating by Deal, Linda S., Wirth, R.J., Gasior, Maria, Herman, Barry K., McElroy, Susan L.

“…ABSTRACT Objective Establish the Yale–Brown obsessive compulsive scale modified for binge eating (YBOCS‐BE) as a fit for purpose measure of treatment benefit…”
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Headache complexity (number of symptom features) differentiates post-traumatic from non-traumatic headaches by Scher, Ann I, McGinley, James S, Wirth, R J, Lipton, Richard B, Terrio, Heidi, Brenner, Lisa A, Cole, Wesley R, Schwab, Karen

“…Post-traumatic headaches are a common sequela of mild traumatic brain injury (concussion). It is unclear whether or how these headaches differ phenotypically…”
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Multiple Trajectories of Cigarette Smoking and the Intergenerational Transmission of Smoking: A Multigenerational, Longitudinal Study of a Midwestern Community Sample by Chassin, Laurie, Presson, Clark, Seo, Dong-Chul, Sherman, Steven J, Macy, Jon, Wirth, R. J, Curran, Patrick

“…Objective: To investigate the relation between developmental phenotypes of parental smoking (trajectories of smoking from adolescence to adulthood) and the…”
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Faster Improvement in Migraine Pain Intensity and Migraine‐Related Disability at Early Time Points with AVP‐825 (Sumatriptan Nasal Powder Delivery System) versus Oral Sumatriptan: A Comparative Randomized Clinical Trial Across Multiple Attacks from the COMPASS Study by Lipton, Richard B., McGinley, James S., Shulman, Kenneth J., Wirth, R.J., Buse, Dawn C.

“…Background Fast relief of migraine pain, associated symptoms, and migraine‐related disability are priorities in the acute treatment of migraine. Efforts to…”
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Practical Issues in the Application of Item Response Theory: A Demonstration Using Items from the Pediatric Quality of Life Inventory (PedsQL) 4.0 Generic Core Scales by Hill, Cheryl D., Edwards, Michael C., Thissen, David, Langer, Michelle M., Wirth, R. J., Burwinkle, Tasha M., Varni, James W.

“…Background: Item response theory (IRT) is increasingly being applied to health- related quality of life instrument development and refinement. This article…”
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Content Validity of HIT‐6 as a Measure of Headache Impact in People With Migraine: A Narrative Review by Houts, Carrie R., Wirth, R.J., McGinley, James S., Gwaltney, Chad, Kassel, Eric, Snapinn, Steven, Cady, Roger

“…Background The short‐form Headache Impact Test (HIT‐6) is a widely used patient‐reported outcome measure that assesses the negative effects of headaches on…”
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Determining Thresholds for Meaningful Change for the Headache Impact Test (HIT‐6) Total and Item‐Specific Scores in Chronic Migraine by Houts, Carrie R., Wirth, R. J., McGinley, James S., Cady, Roger, Lipton, Richard B.

“…Objective The objective of the analyses described here was to develop thresholds defining clinically meaningful response on the total and item scores of the…”
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Reliability and validity of the 6-item Headache Impact Test in chronic migraine from the PROMISE-2 study by Houts, Carrie R., McGinley, James S., Wirth, R. J., Cady, Roger, Lipton, Richard B.

“…Purpose We examined the reliability and validity of the 6-item Headache Impact Test (HIT-6) specifically on patients with chronic migraine (CM) from the…”
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