This paper attempts to illuminate the problems of outcome validity in psychological inquiry by reference to the two fundamental characterizations of research results: (1) their context of applicability, and (2) their causal meaning. (Editor)

This paper isolates various properties of theoretical models which are conducive to the successful fulfillment of the functions of theory in the progress of scientific research. Also examines two selected examples of models proposed in the psychological literature that illustrate their usefulness in furthering research. (Editor/RK)

Article focused on R. L. Gregory's theory of distortion illustions and his defense of that theory. (RK)

The proposition that the mechanisms underlying facial recognition are different from those involved in recognizing other classes of pictorial material was assessed following a general review of the literature concerned with recognizing faces. (Author/RK)

The main purpose of the present work was to bring together methods that had generated different patterns of results in order to determine whether those differences would persist if the same subjects were performing the two types of tasks. (Author)

The purpose of the present investigation was to explore the extent to which a subject's ability to conjure up an image of a visual stimulus can substitute for the presence of that stimulus when a comparison with another is required. (Author/RK)

In this experiment an attempt was made to determine whether the perceptual system is capable of discriminating a moving pattern that is presented within the currently non-dominant field in binocular rivalry. (Author/RK)

It has been suggested that subliminal perception phenomena may be in part due to experimenter bias effects. Two studies that obtained positive evidence of subliminal perception were therefore replicated with experimenters tested under blind and not blind conditions. (Editor)

The intent of this study is to compare tactile, visual and auditory temporal numerosity discrimination by having subjects count the number of stimuli presented to a single locus. (Author)

Previous work on recalling prose material can be criticized for its limited use of quantitative analysis and for neglecting the theoretical implications of the distinctions between verbatim and other forms of recall. Nine specially written passages used clauses and actual words to split reproduced material into verbatim, non-verbatim and intrusive…

Attempts to determine how far orthodox concept attainment tasks are representative of corresponding real-world activity. (Author/RK)

Subjects choosing Romantic art tended to score higher in neuroticism than did those choosing classical paintings. A negative correlation between extraversion and choice of romantic paintings was also found. (Authors)

Investigates the differences between rehearsal span and memory span and evaluates the research of Dalrymple-Alford (1967) on the part of rehearsal on reinforcing memory traces. (Author/RK)