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124	124	(% style="text-align:center" %)
125	125	Figure 2: Answers of the test personas regarding music
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127		-
128	128	== EVEA (Mood) ==
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226	226	As described, during the experiment, the interaction between the participants and the robot was observed. This section will elaborate on findings from those observations and quotes from participants.
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228		-After each interaction section, the the participant was asked how the interaction with the robot felt. From the interaction with the less intelligent version of the robot, some interesting quotes were:
	227	+After each interaction section, the participant was asked how the interaction with the robot felt. From the interaction with the less intelligent version of the robot, some interesting quotes were:
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230	230	* “The robot was bit direct.”
231	231	* “Efficient interaction, but less friendly than the other interaction.”
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232	232	* “Strange, I did not catch the questions.”
233	233	* “It felt short.”
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235		-Some of these quotes stress the fact that the less intelligent prototype interaction was rather short and direct. It should be said that the sequence of the interactions seemed to have some impact on how the participants experienced the interaction. Some participants who first experienced the less intelligent prototype were smiling and positively surprised during this interaction, while others who first experienced the intelligent prototype were over all smiling less while interacting with the less intelligent robot.
	234	+Some of these quotes stress the fact that the less intelligent prototype interaction was rather short and direct. It should be said that the sequence of the interactions seemed to have some impact on how the participants experienced the interaction. Some participants who first experienced the less intelligent prototype were smiling and positively surprised during this interaction, while others who first experienced the intelligent prototype were overall smiling less while interacting with the less intelligent robot.
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237	237	From the interaction with the intelligent version of the robot, some interesting quotes were:
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246	246	Some participants clearly expressed how friendly they found the intelligent version of the robot. The sequence of the interactions did not seem to impact their feeling about the interaction as much as with the interaction with the less intelligent version of the robot.
247	247	Some reported that the interaction felt natural and intuitive.
248		-As for the music, some participants told us that the music did was a useful and pleasant addition to the interaction with the robot.
	247	+As for the music, some participants told us that the music was a useful and pleasant addition to the interaction with the robot.
249	249	As for the suggestion to eat and drink, one participant reported that the suggestions to eat and drink were perhaps too friendly and too subtle.
250	250	From our observations, it seemed as if participants were either smiling more during the interaction with the intelligent version of the robot or concentrating on the interaction more carefully compared to the interaction with the less intelligent version of the robot.
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262	262	A Wilcoxon signed rank test for the partial Godspeed test shows in Table 8 that with high confidence (1% confidence limit), the intelligent robot is more likeable in comparison to the simple robot. With these results it is likely that the more advanced robot is slightly preferrable and the personas might experience less negative emotions after the interaction with the robots, but it is slightly unclear if the effect is more powerful with the advanced robot.
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264		-Analysis the results surfaced some minor issues in the experiment, such as the lack of comparison with two robots of similar features, with and without music. Also the practical limitations in the setup, such as the lack of different food options and some participants being aware of the design goals of the prototype could have interfered with the natural flow of the intercourse. With these limitations, the research method was successful in extracting differences within the robots and brought up additional directions for future research.
	263	+Analysis of the results surfaced some minor issues in the experiment, such as the lack of comparison with two robots of similar features, with and without music. Also the practical limitations in the setup, such as the lack of different food options and some participants being aware of the design goals of the prototype could have interfered with the natural flow of the intercourse. With these limitations, the research method was successful in extracting differences within the robots and brought up additional directions for future research.
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266	266	The most interesting direction for future research would be the longer term studying of the effect of mealtime reminders on the health of the test subjects. The longer term health study would uncover the effect on eating frequency and the development of the relationship with the robot, for example would the test subjects that were first excited about the novel interaction with the robot, develop negative feelings about the supervision that the robot is conducting into their personal life.
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272	272	= Conclusions =
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274		-From the results it seems that in short-term interactions, both of the robots does remind the persons of their hunger, but the test setup might have caused many people not to eat or not to be hungry when arriving. It would also seem that the music does make the entire discourse more enjoyable as people did enjoy it, but it is unclear whether the observed increases in mood caused by the advanced robot in comparison to the simple version are due to the music or other features included in the advanced version or simply due to variance. It seems that the advanced robot is slightly more enjoyable due to the observed change in anxiety, but in total the results are inconclusive.
	273	+From the results it seems that in short-term interactions, both of the robots do remind the persons of their hunger, but the test setup might have caused many people not to eat or not to be hungry when arriving. It would also seem that the music does make the entire discourse more enjoyable as people did enjoy it, but it is unclear whether the observed increases in mood caused by the advanced robot in comparison to the simple version are due to the music or other features included in the advanced version or simply due to variance. It seems that the advanced robot is slightly more enjoyable due to the observed change in anxiety, but in total the results are inconclusive.
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276	276	The long-term effects of this are unclear and require further study. The short-term experiment shows promising results to further develop such solutions, but to also conduct experiments to study the long-term effects of such a solution. With a longer experiment, the development of the human-robot interaction and the effect of constant mealtime reminders would likely begin to show, which could cause differences to the presented short-term results, by for example the robot becoming more enjoyable as it becomes familiar.
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