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We investigated the effect of learning one category structure on the learning of a related category structure. Photograph--name combinations, called identifiers, were associated with values of four demographic attributes. Two problems were related by analogous demographic attributes, common identifiers, or both to examine the impact of common identifier, related general characteristics, and the interaction of the two variables in mediating learning transfer from one category structure to another. Problems sharing the same identifier information prompted greater positive transfer than those not sharing the same identifier information. In contrast, analogous defining characteristics in the two problems did not facilitate transfer. We computed correlations between responses to first-problem stimuli and responses to analogous second-problem stimuli for each participant. The analogous characteristics produced a tendency to respond in the same way to corresponding stimuli in the two problems. The results support an alignment between category structures related by analogous defining characteristics, which is facilitated by specific identifier information shared by two category structures.

Veblen has tended to be either ignored or neglected by sociologists, arguably due in part to the difficulty of placing him in a theoretical pigeonhole. Yet, Veblen the economist and [...]

The pseudorandom number generator in the FORTRAN library (function RAN) of the DECsystem-10 was tested for the statistical properties of an independent uniform random number generator. Five statistical tests were employed: the frequency test, serial test, lagged product test, test of runs up and down, and test of runs above and below the mean. The generator passed all tests. It was concluded that it could be used in applications that require a sequence of uniformly distributed random numbers. [ABSTRACT FROM AUTHOR]