Changes for page Test

Last modified by Mathieu Jung-Muller on 2022/04/04 13:52

From 102.1 to 103.1 From 107.1 to 108.1

From version

103.1

edited by Mathieu Jung-Muller
on 2022/04/03 14:14

Change comment: There is no comment for this version

To version

107.1

edited by Pietro Piccini
on 2022/04/03 14:57

Change comment: There is no comment for this version

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--XWiki.Mathieu
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Content

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  [[Affect assessment, interactive version>>https://pietro99.github.io/SCE/graphs/mood_questionnaire.html]]
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  The hypothesis H0 is that Pepper does not have any effect. In this case, 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 sligt decrease as well regarding negative feelings.
  There are however many biases in these results. The main one that we isolated is that the activity of gardening itself could lead to the mood improvement. For this reason, we made subgroups based on whether the participants liked gardening or not.
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  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.
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  [[System assessment, first subset of questions, interactive version>>https://pietro99.github.io/SCE/graphs/first_questionnaire_1.html]]
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  In this first system assessment graph, it is shown that participants slightly agree that Pepper made the task easier for them, and generally agree that she was easy to understand.
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  [[System assessment, second subset of questions, interactive version>>https://pietro99.github.io/SCE/graphs/first_questionnaire_2.html]]
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  The sense of accomplishment is slightly higher for people who like gardening that for those who do not. It is globally around slightly agree.
  An interesting fact to notice is that participants who do not like gardening felt more in control of what they had to do.
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  [[System assessment, third subset of questions, interactive version>>https://pietro99.github.io/SCE/graphs/first_questionnaire_3.html]]
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  The participants globally disagree that the presence of Pepper annoyed, frustrated or pressured them. Those who like gardening actually had a bit more negative feelings regarding the presence of Pepper than those who dislike gardening.
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  [[System assessment, fourth subset of questions, interactive version>>https://pietro99.github.io/SCE/graphs/first_questionnaire_4.html]]
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  This graph shows that the trust in Pepper was highly dependent on whether the participants enjoyed the activity or not.
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  * Scope: No. It would be very difficult to generalize the results, since each prototype is built for a special patient. However, if the results conclude that the customized prototypes did improve the well-being of the people, then similar effort to customize Pepper for more patients should produce similar effects.
  * Ecological validity: Yes. Since we compare "without Pepper" (BEFORE) and "with Pepper" (AFTER) in a similar environment (i.e., for everything but Pepper), the results are not dependent on the environment.
++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 Pepper. the results showed that, in general, there is a slight increase in positive moods and a slight decrease in negative moods. 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.
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++It is often the case that PwDs have to perform tasks that are not enjoyable for them such as taking medicines or performing routine activities. In order to analyze the difference in the mood change between people who liked the activity and people who didn't we divided 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.
++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.
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  == Conclusions ==
  The results from the mood questionnaire seem to support our claims CL10: the PwD feels reassured and CL11: the PwD feels content.