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15	15	= Method =
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17		-To this effect, we would like to invite users to participate in a usability study. In the study, we will assess our research question by performing within-subject experiments. The participants will walk twice randomly ordered: once with a //caretaker// and once with //WAF//. The former will enact the activity of walking in the current setting and the latter will do the equivalent with the robot. Afterward, participants are assessed by means of Likert-scales to measure the changes. The difference in scores between the caretaker and the WAF setting will then be subjected to a Wilcoxon [[(Conover, 1998, p. 250)>>https://www-wiley-com.tudelft.idm.oclc.org/en-nl/Practical+Nonparametric+Statistics%2C+3rd+Edition-p-9780471160687]] test to determine whether the results are statistically significant. If the significance has been demonstrated, then we can reject the null hypothesis: walking with the WAF will not provide an increased feeling of autonomy compared to walking with a caretaker.
	17	+To this effect, we would like to invite users to participate in a usability study. In the study, we will assess our research question by dividing the participants into two groups: one with a //caretaker// and one with //WAF//. The former group will enact the activity of walking in the current setting and the latter group will do the equivalent with the robot. Afterward, both groups are assessed by means of Likert-scales to measure the increase. The difference in scores between the caretaker and the WAF setting will then be subjected to a Wilcoxon [[(Conover, 1998, p. 250)>>https://www-wiley-com.tudelft.idm.oclc.org/en-nl/Practical+Nonparametric+Statistics%2C+3rd+Edition-p-9780471160687]] test to determine whether the increase is statistically significant. If the significance has been demonstrated, then we can reject the null hypothesis: walking with the WAF will not provide an increased feeling of autonomy compared to walking with a caretaker.
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20	20	== Participants ==
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22	22	For our study, we would have liked to invite people with dementia to participate. However, user testing with a vulnerable group such as this one is difficult seeing the current circumstances of the COVID-19 pandemic.
23		-For this reason, we decided to design an experiment to be conducted on our fellow students. Students will be briefed on dementia. Then they take on the role of one of the personas and roleplay a person with dementia. Through this roleplay, we aim to simulate a study with people with dementia as accurately as possible in the given situation. We will give them one page of the [[persona handout document>>https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group02/download/Test/WebHome/personas-handouts.pdf?rev=1.1]] to aid them in their roleplay and study character traits that might influence acceptance of WAF.
	23	+For this reason, we decided to design an experiment to be conducted on our fellow students. Students will be briefed on dementia. Then they take on the role of one of the personas and roleplay a person with dementia. Through this roleplay, we aim to simulate a study with people with dementia as accurately as possible in the given situation. We will give them one page of the [[persona handout document>>https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group02/download/Test/WebHome/personas-handouts.pdf?rev=1.1]]
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25	25	== Experimental design ==
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