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Biomedical subjects

J E Switras

Publications and source records attributed to J E Switras.

2 recordsLinked to original sources

An alternate-form instrument to assess vividness and controllability of mental imagery in seven modalities.

A review of the literature concerning assessment of the ability to produce mental images demonstrated that in both the clinical and research areas new instruments were needed. The problem was to produce an alternate-form measure that would enable simultaneous measurement of controllability and vividness on the same test items in seven modalities. The results seem to suggest that for the Survey of Mental Imagery alternate forms are strictly comparable, reliable, have a known factor structure, and combine simultaneous measurement of controllability and vividness in at least six sensory modalities.

Auditory Perception

A color image hierarchy.

There is renewed interest by psychologists in mental imagery. While practical uses of imagery are being rapidly developed, there still remains a great deal to learn about imaging itself. One aspect of imaging is color. A review of the literature provided no research data as to which colors were easiest or hardest to image. Using the method of pair comparisons, an interval scale was devised, indicating the relative ease with which various colors could be imaged. The final scale, from easiest to most difficult to image, was black, red, yellow, blue, green, white, orange and finally purple. Implications for image training are suggested.

Color