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Sheryl L. Miller

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Publications by Sheryl L. Miller (bibliography)

1995

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Venturino, Michael, Miller, Sheryl L., Ercolano, Karenza A. and Josephson, Keith (1995): Interference and Information Organization in Dynamic Memory. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1430-1434.

“Two experiments were performed in order to explore the relationship between two memory phenomena that determine one's ability to keep track of continually changing information: attribute similarity and information organization. In Experiment 1, attribute similarity was minimized while information organization was varied. Results showed that the memory requirements involved in maintaining numerous object-attribute associations (i.e., grouping) did not hinder subjects' ability to successfully retrieve information, but did affect temporal aspects of the retrieval process itself. In Experiment 2, information organization was varied under conditions of greater attribute similarity. In the presence of substantial information similarity, information organization had a beneficial effect, allowing for greater recall accuracy when the information could be meaningfully grouped, while also not incurring a temporal cost. The type of retrieval errors were also classified and discussed.”

1994

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Venturino, Michael, Romano, Nathan J., Miller, Sheryl L., Murphy, Megan and Coffey, Tara M. (1994): Dynamic Memory: Keeping Track of Continually Changing Information. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. pp. 1317-1321.

“The requirement to remember continuously changing information places substantial demands on the human operator's working memory system. Previous research (Yntema&Mueser, 1960) found that in keeping track of dynamically changing information, humans' memory for changing information was better when they kept track of many different attributes of a single object than when they kept track of the identical attribute of many different objects. Due to a confound in the Yntema and Mueser experiment, the unique and combined effects of information organization and similarity-based interference cannot be determined, limiting the information about dynamic memory. This experiment represents an attempt to overcome this limitation by assessing the roles of organization and similarity-based interference in dynamic memory. The experimental task was a keeping track task in which a series of changing attribute values were presented sequentially, and subjects were required to remember the most recent update for each attribute. Three factors were manipulated in the experiment: number of "objects" (one vs many objects), type of attribute (same vs different), and memory load (2, 4, or 6 attributes to remember). Results showed that as memory load increased, keeping track performance in the many-object condition decreased to a greater extent than in the one-object condition. Also, as memory load increased, accuracy decreased at a greater rate for the same-attribute condition than for the different-attribute condition. The effect size for attribute similarity was much larger than that for number of objects. It was concluded that similarity-based interference is quite destructive to dynamic memory. It appears that the cost of attribute similarity far outweighs the benefits of organizing the continually-changing attributes. Such results have implications for structuring tasks and aiding memory in situations where operators must remember information in dynamically changing environments.”

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