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This paper examines parallels between the combination of particular instances of a cue trait to make a single judgement and the combination of judgements into a compound impression. Predictions derived from a differential weighted averaging model are tested and confirmed, and the implications for theories of impression formation are discussed. [ABSTRACT FROM AUTHOR]

This paper presents an interpretation of inconsistent remarks which subjects made in explaining their erroneous solutions to a difficult deductive problem. Four half-masked cards of the following types were presented: (a) a number in the lower half, (b) a blank in the upper half, (c) a letter in the upper half, and (d) a blank in the lower half. The problem is to say which cards need to be unmasked to determine decisively whether a sentence like ‘A letter is above each number’ is true or false. The original aim was to determine the possible effects of varying the order of the terms in the test sentence: the results were inconclusive. However, the subjects' protocols were of much greater interest. When asked to justify their incorrect solutions, their remarks clearly revealed the operation of irreversible thought processes. Three possible hypotheses about them are considered, and it is argued that one involving dissociation of attention is most plausible. [ABSTRACT FROM AUTHOR]

This paper examines the re-emergence of imagery as a topic commanding attention in psychology. Recent research (by persons such as Haber, Paivio, Sheehan, Singer and Inhelder) is surveyed within the framework of the cognitive-experiential Zeitgeist. Attention is then given to methodological issues involved in devising a 'new' introspection and to a number of theoretical statements on the nature and development of imagery, notably those of Bartlett, Bruner and Piaget. Questions such as the kind and dimension of imagery, individual differences in imagery, and the relationship of imagery to creativity are raised. The general conclusion is that the study of imagery affords a good opportunity for gaining knowledge of the 'everyday stream'. [ABSTRACT FROM AUTHOR]

Two experiments are reported. In the first experiment subjects recalled a trigram stimulus after copying a string of random consonants, using either the preferred or non-preferred hand. Retention was higher in the non-preferred hand condition in which fewer interpolated letters were written per unit time. The second experiment measured the latency of solving a simple mental arithmetic task under each of the two writing conditions. No difference was found, which, it is suggested, supports the view that the two tasks prevented rehearsal equally well in the memory experiment. [ABSTRACT FROM AUTHOR]

Three experiments are reported in which part of the stimulus to be after-imaged was presented to each eye, producing simultaneous, binocular, after-images. In each case the monocular stimuli were complementary to each other, so that the binocular combination constituted a meaningful whole. The subjects' reports on the appearances and fragmentations of their after-images suggest the existence of some central, integrative, mechanism. [ABSTRACT FROM AUTHOR]