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Visual Processing of Straight Lines in Dyslexic and Normal Children
Peer reviewed Peer reviewed
O'Neill, G.; Stanley, G. – British Journal of Educational Psychology, 1976
Separation thresholds for groups of 26 dyslexic and normal children attending the first year of secondary school were obtained with pairs of identically-oriented and spatially-overlapping straight lines presented at orientations varying from zero to 90 degrees. (Editor)
Descriptors: Charts, Dyslexia, Educational Psychology, Experiments
Familiarity of Background Characters in Visual Scanning
Peer reviewed Peer reviewed
Reicher, Gerald M.; And Others – Journal of Experimental Psychology: Human Perception and Performance, 1976
It is much easier to look for an unfamiliar character (such as an upside down A) embedded among familiar ones than to look for a familiar character (A) among unfamiliar ones. Furthermore, the nature of the background seems more important toperformance than the nature of the target. (Editor)
Descriptors: Experimental Psychology, Experiments, Information Processing, Research Methodology
Mental Rotation by the Blind: Does Mental Rotation Depend on Visual Imagery?
Peer reviewed Peer reviewed
Marmor, Gloria Strauss; Zaback, Larry A. – Journal of Experimental Psychology: Human Perception and Performance, 1976
Subjects were required to discriminate previously learned "standard" versions of angular shapes from randomly perturbed "distrator" versions that varied in similarity to the standard. (Editor)
Descriptors: Charts, Difficulty Level, Experimental Psychology, Information Processing
Early Versus Late Stages of Processing and Their Relation to Functional Hemispheric Asymmetries in Face Recognition
Peer reviewed Peer reviewed
Moscovitch, Morris; And Others – Journal of Experimental Psychology: Human Perception and Performance, 1976
To determine whether perceptual asymmetries for faces occur at early or late stages of stimulus analysis, subjects compared the members of a pair of faces which appeared in the right or left visual field, either to each other or to a previously presented sample. (Editor)
Descriptors: Charts, Experimental Psychology, Experiments, Information Processing
On the Nature of Input Channels in Visual Processing
Peer reviewed Peer reviewed
Bjork, Elizabeth Ligon; Murray, J. Thomas – Psychological Review, 1977
This research assesses whether the presence of noise elements in a visual display affects the detection of target letters at the perceptual or feature extraction level of information processing and whether (a) input or processing channels operate in an independent or interactive fashion and (b) how the spatial relation between signal and noise…
Descriptors: Auditory Stimuli, Charts, Information Processing, Letters (Alphabet)
Role of Feedback in the Development and Maintenance of a Complex Skill
Peer reviewed Peer reviewed
Henderson, Sheila A. – Journal of Experimental Psychology: Human Perception and Performance, 1977
Three experiments examined the role of various sources of feedback in the development and maintenance of a complex ballistic skill, dart throwing, using extended practice. (Editor)
Descriptors: Experimental Psychology, Experiments, Feedback, Flow Charts
An Investigation of the Relationship Between Viewing Condition and Preference for True and Modified Linear Perspective with Adults
Peer reviewed Peer reviewed
Hagen, Margaret A.; Elliott, Harry B. – Journal of Experimental Psychology: Human Perception and Performance, 1976
Attempts to establish the degree of perspective convergence, which the Western observer will accept as a realistic portrayal of objects drawn in perspective, and to determine the relationship between acceptable convergence and viewing conditions. (Author/RK)
Descriptors: Adults, Data Analysis, Experimental Psychology, Experiments
A Mathematical Model for Social Influences on Perceptual Judgments
Peer reviewed Peer reviewed
Kris, Mitchell; And Others – Journal of Experimental Social Psychology, 1977
A mathematical model based upon signal detection theory is developed that characterizes social influences upon judgments of a stimulus. A social influence cue and the physical aspects of the stimulus were assumed to have independent effects upon performance. (Editor)
Descriptors: Charts, Information Processing, Mathematical Models, Psychological Studies
Semantic and Perceptual Processes in Symbolic Comparisons
Peer reviewed Peer reviewed
Banks, William P.; Flora, Julianne – Journal of Experimental Psychology: Human Perception and Performance, 1977
Studies the processing of pictures and words as symbols. Shows that the superiority of pictures results from the fact that pictures are interpreted more quickly than words, but that after the interpretation is made, processing is the same. Also gives evidence that pictures and words are both processed in terms of linguistic codes rather than…
Descriptors: Experimental Psychology, Experiments, Information Processing, Research Methodology