A science-writer popularizing cognitive psychology in the NY Times Sunday Magazine
recently said," We human beings... are concept-making creatures: Unlike any other animal …

The following is a taxonomy of the animal kingdom. It has been attributed to an ancient
Chinese encyclopedia entitled the Celestial Emporium of Benevolent Knowledge: On those …

The concept humans was studied in two experiments on rhesus monkeys, in each of which a
two-choice simultaneous discrimination procedure was used. In Experiment 1, the choice …

Originally published in 1978, the papers in this book derive from a 1976 meeting sponsored
by the Social Science Research Council to discuss the nature and principles of category …

Conducted 5 experiments, using 4 pigeons in each. After being trained on an oak leaf
pattern, Ss responded to other oak leaf patterns but not to leaf patterns of other species …

Previous work has shown that adults and older children tend to classify multidimensional
objects by identity on 1 dimension, whereas children under 8 yrs of age tend to classify …

Categorization, the basic cognitive process of arranging objects into categories, is a
fundamental process in human and machine intelligence and is central to investigations and …

This paper surveys some illustrative experiments on categorization of visual stimuli by
animals other than human. The results suggest a classification of categorical powers in five …

f For humans facing a host of experiences in a complex world, an imponant l. activity is to
break up these experiences into meaningful, more manageable l components. This is the …

In one set of experiments, the experience of categorizing sets of variable exemplars of two
categories enhanced subjects' ability to discriminate between two new instances of one of …