Abstract
To help determine hut what Witkin’s Rod and Frame Test measures, the task was modified by presenting the luminous rod in one of two fixed positions, either vertical or not vertical, within a titled frame. S responded on a four-category scale representing his certainty that the rod was vertical Receiver operating characteristic (ROC) curves were calculated for each of 17 Ss and compared to traditional measures of titer field dependence-independence. The results showed that Witkin’s test is not contaminated to any great extent by response bias. However, the ROC analysis did reveal significant differences between field dependents and independents, not only in their sensitivity to verticality, but also in their- characteristic manner of responding.
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These data were collected by Dr. Cross during his tenure as a NSF Summer (1967) Research Participant at Iowa State University.
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Schuck, J.R., Cross, H.A. & Mills, D.H. A signal detection analysis of the rod and frame test. Perception & Psychophysics 7, 276–280 (1970). https://doi.org/10.3758/BF03210164
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DOI: https://doi.org/10.3758/BF03210164