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. Author manuscript; available in PMC: 2014 Oct 25.
Published in final edited form as: Proc Hum Factors Ergon Soc Annu Meet. 2009 Oct;53(2):136–140. doi: 10.1177/154193120905300206

Figure 1.

Figure 1

Mean scores of younger and older adults for the three robot task factors: interactive, infrequent, and service tasks. Error bars are standard errors of the mean.