A face(book) in the crowd
Large numbers of college students have become avid Facebook users in a short period of time. In this paper, we explore whether these students are using Facebook to find new peop...
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91 publications
Survey Questions: Handcrafting the Standardized Questionnaire
This book reviews the experimental literature on how survey questions behave as well as the lore of professional experience and culls from them those guiding principles and spec...
Age-Dependent Neurofibrillary Tangle Formation, Neuron Loss, and Memory Impairment in a Mouse Model of Human Tauopathy (P301L)
Here, we describe the generation of a novel transgenic mouse model of human tauopathy. The rTg(tau P301L )4510 mouse expresses the P301L mutation in tau (4R0N) associated with f...
Interleukin 6 Is Required for the Development of Collagen-induced Arthritis
Interleukin-6 (IL-6) is overproduced in the joints of patients with rheumatoid arthritis (RA) and, based on its multiple stimulatory effects on cells of the immune system and on...
A new murine monoclonal antibody reports an activation-dependent change in the conformation and/or microenvironment of the platelet glycoprotein IIb/IIIa complex.
Considerable evidence indicates that the glycoprotein (GP) IIb/IIIa complex on human platelets functions as a receptor for fibrinogen, but little is known about the mechanism of...
An evaluation of incremental fit indices: A clarification of mathematical and empirical properties.
This study attempts to measure the quantitative contribution of major chemical fractions of the whole bovine cornea to ultraviolet (UV) absorption between 240 and 300 nm, with s...
Macroevolutionary Dynamics and Historical Biogeography of Primate Diversification Inferred from a Species Supermatrix
Phylogenetic relationships, divergence times, and patterns of biogeographic descent among primate species are both complex and contentious. Here, we generate a robust molecular ...
Social Structure in a Group of Scientists: A Test of the "Invisible College" Hypothesis
The existence of social organization within a research area may be inferred (a) if scientists who have published in the area have more social ties with one another than with sci...
Sociometric Location and Innovativeness: Reformulation and Extension of the Diffusion Model
1968a class, parental encouragement and educational aspirations. American Journal of Sociology 73:559-572. 1968b Parents' education and children's educational aspirations and a...
Nested by design: model fitting and interpretation in a mixed model era
Summary Nested data structures are ubiquitous in the study of ecology and evolution, and such structures need to be modelled appropriately. Mixed‐effects models offer a powerful...