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Last modified by Sofia Kostakonti on 2022/04/05 14:08
From version Icon 62.1 Icon
edited by Veikko Saikkonen
on 2022/04/01 14:54
Change comment: There is no comment for this version
To version Icon 58.1 Icon
edited by Veikko Saikkonen
on 2022/04/01 14:35
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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97 97  {{/html}}
98 98  
99 99  (% style="text-align:center" %)
100 -Figure 1: Results on the eating of the test personas during the experiment
98 +Figure: Results on the eating of the test personas during the experiment
101 101  
102 -Simple robot:
103 -
104 -* 16% ate
105 -* 33% of those would not have eaten without the robot
106 -
107 -Advanced robot:
108 -
109 -* 32% ate
110 -* 67% of those would not have eaten without the robot
111 -
112 112  == EVEA (Mood) ==
113 113  
114 114  {{html}}
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116 116  {{/html}}
117 117  
118 118  (% style="text-align:center" %)
119 -Figure 2: Median measured moods for the simple version of the robot
107 +Figure: Median measured moods for the simple version of the robot
120 120  
121 121  {{html}}
122 122  <img src="https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group01/download/Test/WebHome/MoodChangeSmart.png?rev=1.1" alt="Measured moods and changes for the advanced version of the robot" style="display:block;margin-left:auto;margin-right:auto" width=750/>
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123 123  {{/html}}
124 124  
125 125  (% style="text-align:center" %)
126 -Figure 3: Median measured moods for the advanced version of the robot
114 +Figure: Median measured moods for the advanced version of the robot
127 127  
128 128  (% style="text-align:center" %)
129 -Table 1: Wilcoxon signed rank test results for the hypothesis that the mood changed during the interaction with the simple robot
117 +Table: Wilcoxon signed rank test results for the hypothesis that the mood changed during the interaction with the simple robot
130 130  
131 131  |=Mood|=Happiness|=Anxiety|=Sadness|=Anger
132 132  |Statistic|37|5|4|14
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133 133  |P-value|0.54|0.01|0.01|0.45
134 134  
135 135  (% style="text-align:center" %)
136 -Table 2: Wilcoxon signed rank test results for the null hypothesis that the mood changed during the interaction with the advanced robot
124 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood changed during the interaction with the advanced robot
137 137  
138 138  |=Mood|=Happiness|=Anxiety|=Sadness|=Anger
139 139  |Statistic|32|11|2|17
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140 140  |P-value|0.18|0.01|0.01|0.45
141 141  
142 142  (% style="text-align:center" %)
143 -Table 3: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the simple robot
131 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the simple robot
144 144  
145 145  |=Mood|=Anxiety|=Sadness|=Anger
146 146  |Statistic|81|53|29
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147 147  |P-value|0.01|0.00|0.23
148 148  
149 149  (% style="text-align:center" %)
150 -Table 4: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the advanced robot
138 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the advanced robot
151 151  
152 152  |=Mood|=Anxiety|=Sadness|=Anger
153 153  |Statistic|32|149|52
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154 154  |P-value|0.00|0.01|0.07
155 155  
156 156  (% style="text-align:center" %)
157 -Table 5: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the simple robot
145 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the simple robot
158 158  
159 159  |=Mood|=Happiness
160 160  |Statistic|37
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161 161  |P-value|0.27
162 162  
163 163  (% style="text-align:center" %)
164 -Table 6: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the advanced robot
152 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the advanced robot
165 165  
166 166  |=Mood|=Happiness
167 167  |Statistic|32
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174 174  {{/html}}
175 175  
176 176  (% style="text-align:center" %)
177 -Figure 4: Answers of the test personas regarding music
165 +Figure: Answers of the test personas regarding music
178 178  
179 179  == Godspeed ==
180 180  
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183 183  {{/html}}
184 184  
185 185  (% style="text-align:center" %)
186 -Figure 5: Answers to the statement 'I thought the robot was friendly'
174 +Figure: Answers to the statement 'I thought the robot was friendly'
187 187  
188 188  {{html}}
189 189  <img src="https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group01/download/Test/WebHome/pleasant-hist.png?rev=1.1" alt="Answers to the statement 'I thought the robot was pleasant'." style="display:block;margin-left:auto;margin-right:auto" width=750/>
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190 190  {{/html}}
191 191  
192 192  (% style="text-align:center" %)
193 -Figure 6: Answers to the statement 'I thought the robot was pleasant'
181 +Figure: Answers to the statement 'I thought the robot was pleasant'
194 194  
195 195  {{html}}
196 196  <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/>
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197 197  {{/html}}
198 198  
199 199  (% style="text-align:center" %)
200 -Figure 7: Median measured Godspeed questionnaire dimensions
188 +Figure: Median measured Godspeed questionnaire dimensions
201 201  
202 202  |=Dimension|=Likeability|=Intelligence
203 203  |Statistic|36|70
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204 204  |P-value|0.01|0.17
205 205  
206 206  (% style="text-align:center" %)
207 -Table 7: Wilcoxon signed rank test results for the null hypothesis that the advanced robot scored higher in the perceived dimensions
195 +Table: Wilcoxon signed rank test results for the null hypothesis that the advanced robot scored higher in the perceived dimensions
208 208  
209 209  = Conclusions =
210 210