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Last modified by Mathieu Jung-Muller on 2022/04/04 13:52
From version Icon 114.5 Icon
edited by Sneha Lodha
on 2022/04/04 00:06
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To version Icon 113.2 Icon
edited by Sneha Lodha
on 2022/04/03 23:58
Change comment: There is no comment for this version

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... ... @@ -193,7 +193,6 @@
193 193  [[Affect assessment, interactive version>>https://pietro99.github.io/SCE/graphs/mood_questionnaire.html]]
194 194  [[image:mood.svg]]
195 195  Figure 1: Graphical results of affect assessment before and after conducting the evaluation activity with Pepper.
196 -
197 197  {{html}}
198 198  <!DOCTYPE html>
199 199  <html>
... ... @@ -218,11 +218,12 @@
218 218  </head>
219 219  <body>
220 220  
220 +<h5>Wilcoxon Signed-rank test</h5>
221 221  <h6><i>H0</i>: The mood distribution before and after the interaction with Pepper is the same.</h6>
222 222  
223 223  <table>
224 224   <tr>
225 - <th><i>Wilcoxon Signed-Rank results</i></th>
225 + <th>test results </th>
226 226   <th>I feel caring </th>
227 227   <th>I feel content </th>
228 228   <th>I feel calm </th>
... ... @@ -254,7 +254,6 @@
254 254  </body>
255 255  </html>
256 256  {{/html}}
257 -
258 258  Table 1: Results of wilcoxon statistical test on affect assessment
259 259  
260 260  We analyzed the participants' moods before and after the interaction with Pepper in order to be able to observe positive and negative changes that are caused by the interaction with Pepper. The hypothesis H0 is that Pepper does not have any effect, which would mean that the questionnaires 1 and 2 should give the exact same values for each of the six feelings. However, the graphs and table below show that there is a slight increase regarding positive feelings, and a slight decrease as well regarding negative feelings. The Wilcoxon Signed-rank demonstrated that the only statistically significant change happened for contentness and tiredness based on a p-value threshold of 0.05.
... ... @@ -285,11 +285,12 @@
285 285  </head>
286 286  <body>
287 287  
287 +<h5>Wilcoxon Rank-Sum test</h5>
288 288  <h6><i>H0</i>: The mood distribution after the interaction with Pepper for people who like gardening and people who do not like gardening is the same.</h6>
289 289  
290 290  <table>
291 291   <tr>
292 - <th><i>Wilcoxon Rank-Sum results</i> </th>
292 + <th>test results </th>
293 293   <th>I feel caring </th>
294 294   <th>I feel content </th>
295 295   <th>I feel calm </th>
... ... @@ -322,9 +322,7 @@
322 322  </html>
323 323  {{/html}}
324 324  
325 -Table 2: Results of Wilcoxon Rank-Sum statistical test on affect assessment for people who like vs. dislike gardening
326 326  
327 -
328 328  In order to analyze the difference in the mood change between people who liked the activity of gardening and people who did not, we divided the assessments into two groups and performed a Wilcoxon Rank-Sum test. The results show that only the contentness mood shows a statistically significant difference between the two groups. Hence, we did not notice any relevant pattern indicating a significant difference between "like gardening" and "dislike gardening" groups. It seems to be that this is not the cause of the mood improvement.
329 329  
330 330  This confirms that PwDs can potentially benefit from a boost of energy from interacting with Pepper and, if the activity is enjoyable, a general improvement in contentness as well.