Now showing items 21-30 of 190
How actions create--not just reveal--preferences.
(Trends Cogn Sci, 2008-01)
The neo-classical economics view that behavior is driven by - and reflective of - hedonic utility is challenged by psychologists' demonstrations of cases in which actions do not merely reveal preferences but rather create ...
Tom Sawyer and the construction of value
This paper challenges the common assumption that economic agents know their tastes. After reviewing previous research showing that valuation of ordinary products and experiences can be manipulated by non-normative cues, ...
Missing data in randomized clinical trials for weight loss: scope of the problem, state of the field, and performance of statistical methods.
(PLoS One, 2009-08-13)
BACKGROUND: Dropouts and missing data are nearly-ubiquitous in obesity randomized controlled trails, threatening validity and generalizability of conclusions. Herein, we meta-analytically evaluate the extent of missing data, ...
Does higher hospital cost imply higher quality of care?
(Review of Economics and Statistics, 2003-02-01)
This study investigates whether higher input use per stay in the hospital (treatment intensity) and longer length of stay improve outcomes of care. We allow for endogeneity of intensity and length of stay by estimating a ...
Extrapulmonary tuberculosis, human immunodeficiency virus, and foreign birth in North Carolina, 1993 - 2006.
(BMC Public Health, 2008-04-04)
BACKGROUND: The proportion of extrapulmonary tuberculosis (EPTB) reported in the United States has been gradually increasing. HIV infection and foreign birth are increasingly associated with tuberculosis and understanding ...
Faces evoke spatially differentiated patterns of BOLD activation and deactivation.
Using fMRI techniques sensitive to blood oxygen-level dependent (BOLD) contrast, we measured brain activity in participants (n=8) as they viewed images of faces presented periodically within a continuously changing montage ...
Common genetic variation and the control of HIV-1 in humans.
(PLoS Genet, 2009-12)
To extend the understanding of host genetic determinants of HIV-1 control, we performed a genome-wide association study in a cohort of 2,554 infected Caucasian subjects. The study was powered to detect common genetic variants ...
Co-activation of the amygdala, hippocampus and inferior frontal gyrus during autobiographical memory retrieval.
Functional MRI was used to investigate the role of medial temporal lobe and inferior frontal lobe regions in autobiographical recall. Prior to scanning, participants generated cue words for 50 autobiographical memories and ...
A new instrument for measuring anticoagulation-related quality of life: development and preliminary validation.
(Health Qual Life Outcomes, 2004-05-06)
BACKGROUND: Anticoagulation can reduce quality of life, and different models of anticoagulation management might have different impacts on satisfaction with this component of medical care. Yet, to our knowledge, there are ...
Collagen biomarkers for arthritis applications.
(Biomark Insights, 2007-02-07)