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La Tondra A. Murray

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Publications by La Tondra A. Murray (bibliography)

1997

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Philips, Brian H., Murray, La Tondra A. and Stewart, Jason E. (1997): The CHI 97 Doctoral Consortium: A Review. In ACM SIGCHI Bulletin, 29 (4) pp. 24-26.

1995

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Silver, N. Clayton, Wogalter, Michael S., Brewster, Blair M., Glover, Barbara L., Murray, La Tondra A., Tillotson, Cheryl A. and Temple, Tallah L. (1995): Comprehension and Perceived Quality of Warning Pictorials. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1057-1061.

“The present study assessed the comprehensibility and quality of warning pictorials in the presence and absence of explicit context. Context was provided by a photograph and a verbal description of an environmental scene in which the pictorial might appear. A total of 248 individuals performed a comprehension test on a randomly-assigned pictorial from each of three referent categories (Keep Out, Electrical Shock, and Do Not Dig). Following this task, 185 participants were shown five pictorials (four others plus the one they had seen) associated with each of the three referent categories and then rated and ranked them on their quality to convey the referent message effectively. Results indicated that the context manipulation enhanced comprehension for pictorials two out of three referent categories. Confidence intervals indicated that comprehension levels of all the Electrical Shock symbols would fall within the ranges specified by ISO's 67% and ANSI's 85% comprehension criteria. Three of the Do Not Dig pictorials and none of the Keep Out pictorials fell within the acceptable ISO and ANSI comprehension criteria. Statistically significant average point biserial correlations were obtained between the comprehension and quality scores for each referent category. Implications for warning pictorial test and design are discussed.”

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