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. 2012 Mar 6;2:305. doi: 10.1038/srep00305

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Copyright © 2012, Macmillan Publishers Limited. All rights reserved

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(a) Distribution of mean stress responses µ_E(x) per skill level and task. (b) Distribution of mean time performance µ_Time(x) per skill level and task. The competency time lines of 98 [s] and 112 [s] for FLS Task 2 and FLS Task 3 have been placed on the respective box-plot diagrams to provide comparative yardsticks of speed. (c) Distribution of mean error performance µ_Err(x) per skill level and task. (d) Error histograms per skill level and task. (e) Level and Task interaction plots for stress, time, and error. — We used the ln (.) and transformations to comply with analysis of variance assumptions. The ‘*’ symbols in the box-plots indicate the mean values of the distributions. n is shown at the bottom of the corresponding box-plot.

Inline graphic — (a) Distribution of mean stress responses µ_E(x) per skill level and task. (b) Distribution of mean time performance µ_Time(x) per skill level and task. The competency time lines of 98 [s] and 112 [s] for FLS Task 2 and FLS Task 3 have been placed on the respective box-plot diagrams to provide comparative yardsticks of speed. (c) Distribution of mean error performance µ_Err(x) per skill level and task. (d) Error histograms per skill level and task. (e) Level and Task interaction plots for stress, time, and error. — We used the ln (.) and transformations to comply with analysis of variance assumptions. The ‘*’ symbols in the box-plots indicate the mean values of the distributions. n is shown at the bottom of the corresponding box-plot.