Changes for page Test
Last modified by Mathieu Jung-Muller on 2022/04/04 13:52
From version 
111.1 
111.1
edited by Pietro Piccini
on 2022/04/03 16:58
on 2022/04/03 16:58
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To version 110.1
110.1
edited by Pietro Piccini
on 2022/04/03 16:53
on 2022/04/03 16:53
Change comment:
There is no comment for this version
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... ... @@ -188,6 +188,12 @@ 188 188 189 189 We produced our results as interactive graphs. Only a printed version is shown below. To get a better version with more information (data point information on mouse hovering for instance), click the provided link for each graph. 190 190 191 +For the statistical test, we used the Wilcoxon test because we do not assume that our data is normally distributed. 192 +we used the Wilcoxon Signed-rank test to measure the statistical significance of the mood change before and after Pepper's interaction because the data comes from the same group of participants. 193 +To measure the statistical significance between two different groups (liking gardening group and disliking gardening group) we use the Wilcoxon Rank-Sum test. 194 +The statistics value of the test is the sum of the difference in the rank. 195 +the p-value is the probability of obtaining results at least as extreme as the one we obtained given that the null hypothesis is true. We decided to set a threshold of 5% to claim statistical significance. 196 + 191 191 === Affect assessment === 192 192 193 193 [[Affect assessment, interactive version>>https://pietro99.github.io/SCE/graphs/mood_questionnaire.html]]