WERTHEIMER, M Personality rigidity as measured by aniseikonic lenses and by perceptual tests of metabolic efficiency. [electronic resource] - The Journal of general psychology Jan 1958 - 41-9 p. digital Publication Type: Journal Article ISSN: 0022-1309 Standard No.: 10.1080/00221309.1958.9920380 doi Subjects--Topical Terms: AniseikoniaHumansPersonalityPersonality DisordersPsychological Tests