To examine the effect of redundant coding on performance. Redundant coding of information will improve performance in terms of time and errors. Each student will serve as a subject. The software can be found in the start-up menu under Programs. Using appropriate statistical analyses, determine if the 4 conditions are statistically different from each other in terms of time and errors.
Plot mean time and mean errors for each condition.
Discuss your results. Discuss the strengths and weaknesses of your methodology and how it may have impacted your results. Discuss how this principle can be applied in product design. Provide at least two specific examples. Discuss why color should only be used as a redundant dimension.