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Last modified by Sofia Kostakonti on 2022/04/05 14:08
From version Icon 61.1 Icon
edited by Veikko Saikkonen
on 2022/04/01 14:49
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To version Icon 48.1 Icon
edited by Veikko Saikkonen
on 2022/03/31 17:38
Change comment: There is no comment for this version

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2 2  
3 3  People with dementia often forget to eat and drink, leading to dehydration, malnutrition and decreased wellbeing in general. Our prototype engages in discourses to remind PwD to have lunch and drink water, using the Nao robot platform. The discourse aims to reming the PwD without causing any anxiety or embarrassment which a traditional "alarm" system could cause, and keep them company throughout these activities.
4 4  
5 -RQ1: "Does the robot cause PwD to eat more regularly?"*
6 -RQ2: "Does the robot remind the PwD of their hunger?"
7 -RQ3: "Does the music make the eating more enjoyable for the PwD?"
8 -RQ4: "Does the PwD experience less negative emotions, such as agitation, sadness, embarrassment, after the interaction with the 'intelligent' robot?"
5 +RQ1: "Does the robot cause PwD to eat more regularly?"
6 +RQ2: "Does the PwD experience less negative emotions, such as agitation, sadness, embarrassment, after the interaction with the 'intelligent' robot?"
7 +RQ3: "Does the robot remind the PwD of their hunger?"
8 +RQ4: "Does the music make the eating more enjoyable for the PwD?"
9 9  
10 -'*' This research question is difficult due to the practical limitations in designing the experimental setup and as such is left to lesser importance.
11 -
12 12  = Method =
13 13  
14 14  The prototype is evaluated with an in-person experiment with multiple participants. In the experiment, the participants will be asked to pretend to be PwD and act accordingly with/without the prototype.
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88 88  
89 89  = Results =
90 90  
91 -The results were gathered from 19 personnel, all of whom interacted first with one version of the robot and then the other. 10 of the participants interacted first with the simple version, nine having their first interaction with the advanced version.
92 -
93 93  == Eating ==
94 94  
95 95  {{html}}
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99 99  (% style="text-align:center" %)
100 100  Figure: Results on the eating of the test personas during the experiment
101 101  
102 -|=Version|=Did not eat|=Ate|=Would not have eaten without the robot|\\
103 -|Simple|16|3|1
104 -|Advanced|13|6|4
98 +== Mood ==
105 105  
106 -Simple robot:
107 -
108 -* 16% ate
109 -* 33% of those would not have eaten without the robot
110 -
111 -Advanced robot:
112 -
113 -* 32% ate
114 -* 67% of those would not have eaten without the robot
115 -
116 -== EVEA (Mood) ==
117 -
118 118  {{html}}
119 119  <img src="https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group01/download/Test/WebHome/MoodChangeDumb.png?rev=1.1" alt="Measured moods and changes for the simple robot" style="display:block;margin-left:auto;margin-right:auto" width=750/>
120 120  {{/html}}
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140 140  Table: Wilcoxon signed rank test results for the null hypothesis that the mood changed during the interaction with the advanced robot
141 141  
142 142  |=Mood|=Happiness|=Anxiety|=Sadness|=Anger
143 -|Statistic|32|11|2|17
144 -|P-value|0.18|0.01|0.01|0.45
125 +|Statistic|37|11|2|17
126 +|P-value|0.54|0.01|0.01|0.45
145 145  
146 146  (% style="text-align:center" %)
147 147  Table: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the simple robot
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180 180  (% style="text-align:center" %)
181 181  Figure: Answers of the test personas regarding music
182 182  
183 -== Godspeed ==
184 -
185 185  {{html}}
186 186  <img src="https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group01/download/Test/WebHome/friendly-hist.png?rev=1.1" alt="Effects of music on the test personnel" style="display:block;margin-left:auto;margin-right:auto" width=750/>
187 187  {{/html}}
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196 196  (% style="text-align:center" %)
197 197  Figure: Answers to the statement 'I thought the robot was pleasant'
198 198  
199 -{{html}}
200 -<img src="https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group01/download/Test/WebHome/godspeed-barchart.png?rev=1.1" alt="Godspeed questionnaire median comparison'." style="display:block;margin-left:auto;margin-right:auto" width=750/>
201 -{{/html}}
202 202  
203 -(% style="text-align:center" %)
204 -Figure: Median measured Godspeed questionnaire dimensions
205 205  
206 -|=Dimension|=Likeability|=Intelligence
207 -|Statistic|36|70
208 -|P-value|0.01|0.17
181 += Discussion =
209 209  
210 -(% style="text-align:center" %)
211 -Table: Wilcoxon signed rank test results for the null hypothesis that the advanced robot scored higher in the perceived dimensions
212 212  
184 +
213 213  = Conclusions =
214 214  
215 -From the results we can see that the more advanced robot
187 +The experiment showed promising results and encourages more research into the subject.
216 216  
217 -
218 -= Discussion =
219 -
220 -
221 -
222 222  = Appendix =
223 223  
224 224  == Experiment introduction for participants ==
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1 -XWiki.VSaikkonen
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