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Power-law distributions in empirical data

by Aaron Clauset, Cosma Rohilla Shalizi, M. E. J. Newman - ISSN 00361445. doi: 10.1137/ 070710111. URL http://dx.doi.org/10.1137/070710111 , 2009
"... Power-law distributions occur in many situations of scientific interest and have significant consequences for our understanding of natural and man-made phenomena. Unfortunately, the empirical detection and characterization of power laws is made difficult by the large fluctuations that occur in the t ..."
Abstract - Cited by 607 (7 self) - Add to MetaCart
in the tail of the distribution. In particular, standard methods such as least-squares fitting are known to produce systematically biased estimates of parameters for power-law distributions and should not be used in most circumstances. Here we describe statistical techniques for making accurate parameter

Motivation through the Design of Work: Test of a Theory. Organizational Behavior and Human Performance,

by ] Richard Hackman , Grec R Oldham , 1976
"... A model is proposed that specifies the conditions under which individuals will become internally motivated to perform effectively on their jobs. The model focuses on the interaction among three classes of variables: (a) the psychological states of employees that must be present for internally motiv ..."
Abstract - Cited by 622 (2 self) - Add to MetaCart
of conceptual tools that are directly useful in guiding the implementation and evaluation of work redesign projects. In the paragraphs to follow, we examine several existing theoretical approaches to work redesign, with a special eye toward the measurability of the concepts employed and the action implications

Illusion and well-being: A social psychological perspective on mental health.

by Shelley E Taylor , Jonathon D Brown , Nancy Cantor , Edward Emery , Susan Fiske , Tony Green-Wald , Connie Hammen , Darrin Lehman , Chuck Mcclintock , Dick Nisbett , Lee Ross , Bill Swann , Joanne - Psychological Bulletin, , 1988
"... Many prominent theorists have argued that accurate perceptions of the self, the world, and the future are essential for mental health. Yet considerable research evidence suggests that overly positive selfevaluations, exaggerated perceptions of control or mastery, and unrealistic optimism are charac ..."
Abstract - Cited by 988 (20 self) - Add to MetaCart
receives negative feedback or is otherwise threatened and may be especially adaptive under these circumstances. Decades of psychological wisdom have established contact with reality as a hallmark of mental health. In this view, the well-adjusted person is thought to engage in accurate reality testing

The Lasting Impact of Childhood Health and Circumstance

by Angela Fertig, Christina Paxson - Journal of Health Economics , 2005
"... We quantify the lasting effects of childhood health and economic circumstances on adult health, employment and socioeconomic status, using data fromabirth cohort that has been followed frombirth into middle age. Controlling for parental income, education and social class, children who experience poo ..."
Abstract - Cited by 293 (6 self) - Add to MetaCart
We quantify the lasting effects of childhood health and economic circumstances on adult health, employment and socioeconomic status, using data fromabirth cohort that has been followed frombirth into middle age. Controlling for parental income, education and social class, children who experience

Implicit learning and tacit knowledge

by Arthur S. Reber - Journal of Experimental Psychology: General , 1989
"... I examine the phenomenon of implicit learning, the process by which knowledge about the rale-governed complexities of the stimulus environment is acquired independently of conscious attempts to do so. Our research with the two, seemingly disparate experimental paradigms of synthetic grammar learning ..."
Abstract - Cited by 425 (1 self) - Add to MetaCart
learning and probability learning is reviewed and integrated with other approaches to the general problem of unconscious cognition. The conclusions reached are as follows: (a) Implicit learning produces a tacit knowledge base that is abstract and representative of the structure of the environment; (b

Reflective and impulsive determinants of social behavior

by Fritz Strack - Personality and Social Psychology Review , 2004
"... This article describes a 2-systems model that explains social behavior as a joint function of reflective and impulsive processes. In particular, it is assumed that social behavior is controlled by 2 interacting systems that follow different operating principles. The reflective system generates behav ..."
Abstract - Cited by 365 (5 self) - Add to MetaCart
This article describes a 2-systems model that explains social behavior as a joint function of reflective and impulsive processes. In particular, it is assumed that social behavior is controlled by 2 interacting systems that follow different operating principles. The reflective system generates

Living with CLASSIC: When and How to Use a KL-ONE-Like Language

by Ronald J. Brachman, Deborah L. McGuinness, Peter F. Patel-Schneider, Lori A. Resnick, Lori Alperin Resnick, Alexander Borgida - Principles of Semantic Networks , 1991
"... classic is a recently-developed knowledge representation system that follows the paradigm originally set out in the kl-one system: it concentrates on the definition of structured concepts, their organization into taxonomies, the creation and manipulation of individual instances of such concepts, ..."
Abstract - Cited by 257 (18 self) - Add to MetaCart
classic is a recently-developed knowledge representation system that follows the paradigm originally set out in the kl-one system: it concentrates on the definition of structured concepts, their organization into taxonomies, the creation and manipulation of individual instances of such concepts

The approach of solutions of nonlinear diffusion equations to travelling wave solutions

by Paul C. Fife, J. B. Mcleod , 1975
"... The paper is concerned with the asymptotic behavior as t---, oo of solutions u(x, t) of the equation in the case ut-uxx-f(u)=O, xe(- ~, oo), f(0) =f(1) =0, f'(0)<0, f'(1)<0. Commonly, a travelling front solution u=U(x-ct), U(-oo)=0, U(oo)=l, exists. The following types of global stab ..."
Abstract - Cited by 236 (5 self) - Add to MetaCart
The paper is concerned with the asymptotic behavior as t---, oo of solutions u(x, t) of the equation in the case ut-uxx-f(u)=O, xe(- ~, oo), f(0) =f(1) =0, f'(0)<0, f'(1)<0. Commonly, a travelling front solution u=U(x-ct), U(-oo)=0, U(oo)=l, exists. The following types of global

Analyzing Developmental Trajectories: A Semiparametric, Group-Based Approach

by Daniel S. Nagin, Don Lynam, Steve Raudenbush, Kathryn Roeder - Psychological Methods , 1999
"... A developmental trajectory describes the course of a behavior over age or time. A group-based method for identifying distinctive groups of individual trajectories within the population and for profiling the characteristics of group members is demonstrated. Such clusters might include groups of & ..."
Abstract - Cited by 232 (14 self) - Add to MetaCart
groups of trajectories, (b) the capability to estimate the proportion of the population following each such trajectory group, (c) the capability to relate group membership probability to individual characteristics and circumstances, and (d) the capability to use the group membership probabilities

Can we trust social capital

by Joel Sobel - Journal of Economic Literature , 2002
"... SOCIAL CAPITAL describes circumstances in which individuals can use membership in groups and networks to secure benefits. This formulation follows ..."
Abstract - Cited by 183 (1 self) - Add to MetaCart
SOCIAL CAPITAL describes circumstances in which individuals can use membership in groups and networks to secure benefits. This formulation follows
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