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Last modified by Sofia Kostakonti on 2022/04/05 14:08
From version Icon 47.1 Icon
edited by Veikko Saikkonen
on 2022/03/31 17:37
Change comment: There is no comment for this version
To version Icon 61.1 Icon
edited by Veikko Saikkonen
on 2022/04/01 14:49
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 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?"
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?"
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 +
10 10  = Method =
11 11  
12 12  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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86 86  
87 87  = Results =
88 88  
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 +
89 89  == Eating ==
90 90  
91 91  {{html}}
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95 95  (% style="text-align:center" %)
96 96  Figure: Results on the eating of the test personas during the experiment
97 97  
98 -== Mood ==
102 +|=Version|=Did not eat|=Ate|=Would not have eaten without the robot|\\
103 +|Simple|16|3|1
104 +|Advanced|13|6|4
99 99  
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 +
100 100  {{html}}
101 101  <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/>
102 102  {{/html}}
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112 112  Figure: Median measured moods for the advanced version of the robot
113 113  
114 114  (% style="text-align:center" %)
115 -Table: Wilcoxon signed rank test results for hypothesis that the mood changed during the interaction with the simple robot
133 +Table: Wilcoxon signed rank test results for the hypothesis that the mood changed during the interaction with the simple robot
116 116  
117 117  |=Mood|=Happiness|=Anxiety|=Sadness|=Anger
118 118  |Statistic|37|5|4|14
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119 119  |P-value|0.54|0.01|0.01|0.45
120 120  
121 121  (% style="text-align:center" %)
122 -Table: Wilcoxon signed rank test results for hypothesis that the mood changed during the interaction with the advanced robot
140 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood changed during the interaction with the advanced robot
123 123  
124 124  |=Mood|=Happiness|=Anxiety|=Sadness|=Anger
125 -|Statistic|37|11|2|17
126 -|P-value|0.54|0.01|0.01|0.45
143 +|Statistic|32|11|2|17
144 +|P-value|0.18|0.01|0.01|0.45
127 127  
128 128  (% style="text-align:center" %)
129 -Table: Wilcoxon signed rank test results for hypothesis that the mood decreased during the interaction with the simple robot
147 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the simple robot
130 130  
131 131  |=Mood|=Anxiety|=Sadness|=Anger
132 132  |Statistic|81|53|29
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133 133  |P-value|0.01|0.00|0.23
134 134  
135 135  (% style="text-align:center" %)
136 -Table: Wilcoxon signed rank test results for hypothesis that the mood decreased during the interaction with the advanced robot
154 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood decreased during the interaction with the advanced robot
137 137  
138 138  |=Mood|=Anxiety|=Sadness|=Anger
139 139  |Statistic|32|149|52
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140 140  |P-value|0.00|0.01|0.07
141 141  
142 142  (% style="text-align:center" %)
143 -Table: Wilcoxon signed rank test results for hypothesis that the mood increased during the interaction with the simple robot
161 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the simple robot
144 144  
145 145  |=Mood|=Happiness
146 146  |Statistic|37
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147 147  |P-value|0.27
148 148  
149 149  (% style="text-align:center" %)
150 -Table: Wilcoxon signed rank test results for hypothesis that the mood increased during the interaction with the advanced robot
168 +Table: Wilcoxon signed rank test results for the null hypothesis that the mood increased during the interaction with the advanced robot
151 151  
152 152  |=Mood|=Happiness
153 153  |Statistic|32
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162 162  (% style="text-align:center" %)
163 163  Figure: Answers of the test personas regarding music
164 164  
183 +== Godspeed ==
184 +
165 165  {{html}}
166 166  <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/>
167 167  {{/html}}
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176 176  (% style="text-align:center" %)
177 177  Figure: Answers to the statement 'I thought the robot was pleasant'
178 178  
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}}
179 179  
203 +(% style="text-align:center" %)
204 +Figure: Median measured Godspeed questionnaire dimensions
180 180  
181 -= Discussion =
206 +|=Dimension|=Likeability|=Intelligence
207 +|Statistic|36|70
208 +|P-value|0.01|0.17
182 182  
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
183 183  
184 -
185 185  = Conclusions =
186 186  
187 -The experiment showed promising results and encourages more research into the subject.
215 +From the results we can see that the more advanced robot
188 188  
217 +
218 += Discussion =
219 +
220 +
221 +
189 189  = Appendix =
190 190  
191 191  == Experiment introduction for participants ==
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1 +XWiki.VSaikkonen
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