PubMed · 4286981
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Speaking out.. https://pubmed.ncbi.nlm.nih.gov/4286981/
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We study the statistical properties of a variety of diverse real-world networks. We present evidence of the occurrence of three classes of small-world networks: (a) scale-free networks, characterized by a vertex connectivity distribution that decays as a power law; (b) broad-scale networks, characterized by a connectivity distribution that has a power law regime followed by a sharp cutoff; and (c) single-scale networks, characterized by a connectivity distribution with a fast decaying tail. Moreover, we note for the classes of broad-scale and single-scale networks that there are constraints limiting the addition of new links. Our results suggest that the nature of such constraints may be the controlling factor for the emergence of different classes of networks.
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Although social cognition research has a history of twenty years, this area is not well recognized in Japan yet. This review focuses on studies on person perception, especially on the organization of person information and knowledge activation in social cognition. The effect of knowledge activation on behavior is also addressed. First, the historical stream of social cognition studies is overviewed. Second, the topics of representations of persons, top-down/bottom-up processes in person perception, and spontaneous trait inferences are discussed. Furthermore, the topics of construct accessibility effect, development of assimilation/contrast effect, activation of goal concepts, and its effect on behavior are examined. Lastly, some arguments on social cognition research are addressed with references to the future.