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The psychology of intelligence

Jean Piaget, Malcolm Piercy, D. E. Berlyne

The teacher's word book of 30,000 words

Edward L. Thorndike, I. Lorge

A global model of natural volatile organic compound emissions

Numerical assessments of global air quality and potential changes in atmospheric chemical constituents require estimates of the surface fluxes of a variety of trace gas species. We have developed a global model to estimate emissions of volatile organic...

Propensity Score-Matching Methods For Nonexperimental Causal Studies

This paper considers causal inference and sample selection bias in nonexperimental settings in which (i) few units in the nonexperimental comparison group are comparable to the treatment units, and (ii) selecting a subset of comparison units similar to...

Whatever happened to qualitative description

The general view of descriptive research as a lower level form of inquiry has influenced some researchers conducting qualitative research to claim methods they are really not using and not to claim the method they are using: namely, qualitative description....

Effects of ramipril on cardiovascular and microvascular outcomes in people with diabetes mellitus: results of the HOPE study and MICRO-HOPE substudy

Diabetes mellitus is a strong risk factor for cardiovascular and renal disease. We investigated whether the angiotensin-converting-enzyme (ACE) inhibitor ramipril can lower these risks in patients with diabetes.

The Clash of Civilizations and the Remaking of World Order.

Felipe Fernández-Armesto, Samuel P. Huntington

Clinical longitudinal standards for height, weight, height velocity, weight velocity, and stages of puberty.

growth curves,usingthesame data asintheBritish 1965growth standards. Inthevelocity standards centiles are givenforchildren whoareearly- andlatematuring aswell asforthose whomatureattheaverageage(thus extending theuse oftheprevious charts). Limits ofnormality...

The psychology of intelligence

Jean Piaget, Malcolm Piercy, D. E. Berlyne

Synthesis of Large Arrays of Well-Aligned Carbon Nanotubes on Glass

Free-standing aligned carbon nanotubes have previously been grown above 700°C on mesoporous silica embedded with iron nanoparticles. Here, carbon nanotubes aligned over areas up to several square centimeters were grown on nickel-coated glass below 666°C...

Evolution of networks

We review the recent rapid progress in the statistical physics of evolving networks. Interest has focused mainly on the structural properties of complex networks in communications, biology, social sciences and economics. A number of giant artificial networks...

Neuronal population coding of movement direction

Although individual neurons in the arm area of the primate motor cortex are only broadly tuned to a particular direction in three-dimensional space, the animal can very precisely control the movement of its arm. The direction of movement was found to...

Assessment of autonomic function in humans by heart rate spectral analysis

Spectral analysis of spontaneous heart rate fluctuations were assessed by use of autonomic blocking agents and changes in posture. Low-frequency fluctuations (below 0.12 Hz) in the supine position are mediated entirely by the parasympathetic...

The psychology of survey response

Roger Tourangeau, Lance J. Rips, Kenneth A. Rasinski

Traveltimes for global earthquake location and phase identification

SUMMARY Over the last three years, a major international effort has been made by the Sub-Commission on Earthquake Algorithms of the International Association of Seismology and the Physics of the Earth's Interior (IASPEI) to generate new global traveltime...

Note on Exchange Phenomena in the Thomas Atom

Note on Exchange Phenomena in the Thomas Atom

The future of distributed models: model calibration and uncertainty prediction.

This paper describes a methodology for calibration and uncertainty estimation of distributed models based on generalized likelihood measures. The GLUE procedure works with multiple sets of parameter values and allows that, within the limitations of a...

On the Relationship between Carbon Isotope Discrimination and the Intercellular Carbon Dioxide Concentration in Leaves

Theory is developed to explain the carbon isotopic composition of plants. It is shown how diffusion of gaseous COz can significantly affect carbon isotopic discrimination. The effects on discrimination by diffusion and carboxylation are integrated, yielding...

Glycemic index of foods: a physiological basis for carbohydrate exchange.

David J.A. Jenkins, Thomas M. S. Wolever, Taylor Rh, Barker Hm, Fielden H, J M Baldwin, Alison C Bowling, H. Newman, Alexandra L. Jenkins, D V Goff

The chemokine system in diverse forms of macrophage activation and polarization

Alberto Mantovani, Antonio Sica, Silvano Sozzani, Paola Allavena, Annunciata Vecchi, Massimo Locati


Transfer of training is of paramount concern for training researchers and practitioners. Despite research efforts, there is a growing concern over the “transfer problem.” The purpose of this paper is to provide a critique of the existing transfer...

Resting microglial cells are highly dynamic surveillants of brain parenchyma in vivo

Microglial cells represent the immune system of the mammalian brain and therefore are critically involved in various injuries and diseases. Little is known about their role in the healthy brain and their immediate reaction to brain damage. By using in...


SUMMARY 1.Adetailed theory ofcerebellar cortex isproposed whoseconsequence isthatthecerebellum learns toperform motorskills. Twoformsofinputoutput relation aredescribed, bothconsistent withthecortical theory. One issuitable forlearning movements (actions),...

Fluvial processes in geomorphology

Luna B. Leopold, M. Gordon Wolman, John P. Miller

Determinants of Continuity in Conventional Industrial Channel Dyads

Recently, increasing attention has been paid to the question of how to build stable, long-term relationships between manufacturers and members of conventional channels. This descriptive field study concerns a basic requirement for building long-term relationships,...

The psychology of animal learning

Winfred F. Hill, N. J. Mackintosh

Interleukin-8 and related chemotactic cytokines--CXC and CC chemokines.

This chapter focuses on interleukin-8 (IL-8) and related chemotactic cytokines—namely, CXC and CC chemokines. IL-8 is the best known member of a new class of cytokines that are widely studied because of their ability to attract and activate leukocytes,...

Olivine-liquid equilibrium

P. L. Roeder, Ronald F. Emslie

Reducing social context cues: electronic mail in organizational communication

This paper examines electronic mail in organizational communication. Based on ideas about how social context cues within a communication setting affect information exchange, it argues that electronic mail does not simply speed up the exchange of information...

Prostanoid Receptors: Structures, Properties, and Functions

Prostanoids are the cyclooxygenase metabolites of arachidonic acid and include prostaglandin (PG) D2, PGE2, PGF2α, PGI2, and thromboxne A2. They are synthesized and released upon cell stimulation and act on cells in the vicinity of their synthesis to...

Nanoshell-mediated near-infrared thermal therapy of tumors under magnetic resonance guidance

Metal nanoshells are a class of nanoparticles with tunable optical resonances. In this article, an application of this technology to thermal ablative therapy for cancer is described. By tuning the nanoshells to strongly absorb light in the near infrared,...

Basic principles of curriculum and instruction

Ralph W. Tyler, Peter S. Hlebowitsh

Attention, intentions, and the structure of discourse

In this paper we explore a new theory of discourse structure that stresses the role of purpose and processing in discourse. In this theory, discourse structure is composed of three separate but interrelated components: the structure of the sequence of...

Measurement study of peer-to-peer file sharing systems

Stefan Saroiu, P. Krishna Gummadi, Steven D. Gribble

Shock and tissue injury induced by recombinant human cachectin

Cachectin (tumor necrosis factor), a protein produced in large quantities by endotoxin-activated macrophages, has been implicated as an important mediator of the lethal effect of endotoxin. Recombinant human cachectin was infused into rats in an effort...

OLEX2: a complete structure solution, refinement and analysis program

O. Dolomanov, Luc J. Bourhis, Richard J. Gildea, Judith A. K. Howard, Horst Puschmann

Problems in echocardiographic volume determinations: Echocardiographic-angiographic correlations in the presence or absence of asynergy ☆

The relation of minor and major axes of the left ventricle was determined in 100 left ventriculograms performed in the right anterior oblique projection. This relation taken over a wide range of volumes was used to derive a theoretically correct equation...

PAHs in the Fraser River basin : a critical appraisal of PAH ratios as indicators of PAH source and composition

Parent and alkyl PAHs (51 compounds and alkyl homologues) have been quantified in suspended particulates and sediments (345 samples) from the Fraser River system, British Columbia, Canada. The best potential to distinguish natural and anthropogenic sources...

Metaphor : a practical introduction

Zoltán Kövecses, Réka Benczes

Some simple solutions for heat‐induced tropical circulation

A simple analytic model is constructed to elucidate some basic features of the response of the tropical atmosphere to diabatic heating. In particular, there is considerable east-west asymmetry which can be illustrated by solutions for heating concentrated...

Peer Interactions, Relationships, and Groups

Kenneth H. Rubin, William M. Bukowski

Basic principles of curriculum and instruction

Ralph W. Tyler, Peter S. Hlebowitsh

Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity

Western United States forest wildfire activity is widely thought to have increased in recent decades, yet neither the extent of recent changes nor the degree to which climate may be driving regional changes in wildfire has been systematically documented....

Magnetic bistability in a metal-ion cluster

Roberta Sessoli, Dante Gatteschi, Andrea Caneschi, Miguel A. Novak

Imprint of sub-25 nm vias and trenches in polymers

A nanoimprint process that presses a mold into a thin thermoplastic polymer film on a substrate to create vias and trenches with a minimum size of 25 nm and a depth of 100 nm in the polymer has been demonstrated. Furthermore, the imprint process has been...

Chronic Obstructive Pulmonary Disease

Chronic obstructive pulmonary disease (COPD) is characterized by the progressive development of airflow limitation that is not fully reversible.1 The term COPD encompasses chronic obstructive bronchitis, with obstruction of small airways, and emphysema,...

Merton, Robert C.

Robert C. Merton is John and Natty McArthur University Professor at Harvard Business School. He shared the Nobel Prize in Economic Sciences in 1997. He introduced Ito calculus to finance and economics and made significant contributions in asset pricing,...

Phase transitions

This paper presents a selective review of some of IBM's major contributions in the area of phase transitions during the last twenty-five years. It is separated into three main sections covering ferroelectric and structural transitions, magnetism, and...

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