The study reported in Gait Patterns During FreeChoice
Chapter 15, Problem 32(choose chapter or problem)
The study reported in Gait Patterns During FreeChoice Ladder Ascents (Human Movement Sci.,1983: 187195) was motivated by publicity concerningthe increased accident rate for individuals climbingladders. A number of different gait patterns were usedby subjects climbing a portable straight ladder accordingto specified instructions. The ascent times forseven subjects who used a lateral gait and six subjectswho used a four-beat diagonal gait are given.Lateral .86 1.31 1.64 1.51 1.53 1.39 1.09Diagonal 1.27 1.82 1.66 .85 1.45 1.24a. Carry out a test using a 5 .05 to see whether the datasuggests any difference in the true average ascenttimes for the two gaits.b. Compute a 95% CI for the difference between thetrue average gait times.
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