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87	87	For the prototype that we have designed now, these are some research questions that we want to address.
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89	89	1. Are the different stakeholders able to use our prototype smoothly?
90		-1. Does the prototype allow the PwD a greater autonomy in their day-to-day life?
	90	+1. Does the prototype allow the PwD greater autonomy in their day-to-day life?
91	91	1. Does the prototype improve the emotional state of the PwD and their relatives?
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93	93	== Method ==
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95		-As people with dementia have very specific situation (and because our prototype is built to deal with that aspect of customizability), we do not go for an identical experiment for all of them. Instead, the global setup is very similar, although Pepper is customized for the needs of every patient. Our evaluation can therefore be assimilated (with some reserve) to a within-subject evaluation. We also do pre-test and post-test.
	95	+As people with dementia have very specific situations (and because our prototype is built to deal with that aspect of customizability), we do not go for an identical experiment for all of them. Instead, the global setup is very similar, although Pepper is customized for the needs of every patient. Our evaluation can therefore be assimilated (with some reserve) to a within-subject evaluation. We also do pre-test and post-test.
96	96	Our main evaluation method is summative evaluation: we are trying to determine whether the robot has an impact and improves the frequency of "yes" in our yes-no driving questions.
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98	98	== Participants ==
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100		-The study will be conducted on approximately twenty people in early stages of dementia. To avoid too much gender imbalance, there will be at least five men and five women. For the same reason, we hope to find at least five people around 50 or younger, although we expect most participants to be over 70 years old.
101		-The participants will be selected based on a pool of PwD who live at home and need regular visits from a HPC. Only the volunteers will be kept for the experiment. The participants must have no experience of a Pepper robot helping with dementia.
102		-As our experiment involves the PwD in their home environment, relatives and healthcare professionals (HPC) will also be involved in the process: although not being the targets of the experiment, they will contribute to obtaining the measurements and results.
	100	+For this study, we simulate the real research by including 20 students in our class. To avoid too much gender imbalance, there will be at least five men and five women. All participants will be asked to pretend to be a demented person and to make the simulation as real as possible.
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104	104	== Experimental design ==
	103	+Since our evaluating process is relatively short, we use within-subject, which means each participant goes through all conditions. In this way, our experiments tend to have more statistical power and less variability. Furthermore, every PwD may have different issues in their day-to-day life, while also not having the same living conditions (alone, living with husband, family, etc), thus would require a different treatment. But in our setting, we use the same home setting for every participant.
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106		-Since dementia is unique to every person, it is very hard to conduct a global experiment with the same conditions for all participants. Every of them may have different issues in their day-to-day life, while also not having the same living conditions (alone, living with husband, family, etc), thus would require a different treatment. Furthermore, we want to record whether our prototype leads to an improvement in life quality. This can not be done through a short experiment, because the reliability of such an experiment would be very low.
107		-This means we need to record the patient at home and measure over an extended period of time if their well-being and autonomy globally improved.
108		-
109	109	== Tasks ==
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111		-The PwD will live their daily life, without Pepper in the beginning, then accompanied by Pepper, as if they were not under any experiment. The fact that they actually are will obviously affect their behaviour. Yet, we hope that not being recorded and being under a non-invasive experiment will help them not to stress out and may make them live their life as normally as possible.
112		-The tasks performed during the evaluation by Pepper, by the PwD, and by Pepper and the PwD together, will be decided in consultation with the HPC (and potentially the relatives) based on the needs of each patient.
	107	+All participants will go through our designed testing process, which includes medication/meal/activity reminder and activity breakdown.
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	109	+Medication/meal/activity reminder: The robot will remind the patient of daily activities, through which we can see the effectiveness according to their reactions.
	110	+Activity breakdown: In this part, the robot will break down some complex tasks into a list of simple tasks and PwDs can follow the steps to accomplish complex tasks.
	111	+
114	114	== Measures ==
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116	116	We are planning to make behavioural and emotional measurements.
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121	121	== Procedure ==
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123		-The whole experiment process is 4 weeks long, although only weeks 1 and 4 are technically part of the experiment itself.
124		-During week 1, the PwD, the HPC and the relatives will be asked to pay increased attention. Behavioural and emotional data will be collected. This is a regular week for the PwD, i.e., in the usual situation, except that there is more attention dedicated to them.
125		-During weeks 2 and 3, the PwD, the HPC and the relatives will be introduced Pepper, with the goal of getting used to it.
126		-During week 4, which is the actual week of the experiment, attention will be spent trying to mirror week 1 as closely as possible. Behavioural and emotional data will be collected again.
	121	+At the start of the evaluation, all participants will be gathered in the same room, together with the researchers and relatives. We will explain the whole evaluation process, provide simple instructions, explain that participation in the evaluations is voluntary, and participants are free to stop the evaluation at any time. Then, we will explain how the gathered data will be analyzed and help us to improve our prototype. All data will be kept private. We will also emphasize that if there is anything the participants dislike, they should let us know. The purpose of the study is to find out what they think of the prototype, and their honesty is greatly appreciated. Then, we will ask them to sign the consent form.
	122	+We will simulate a home setting, which is the most common scenario for PwDs. All PwDs are going to complete the evaluation separately.
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	124	+Our robot will give corresponding prompts. For example, “It’s time to have lunch”, “Medicine time!”, “Today is your birthday. Happy Birthday!”.
	125	+We will record the reaction and behavior of participants after they heard the prompts.
	126	+To test the activity breakdown function, our robot will choose a relatively complex task to perform, such as making a paper plane, doing some exercise. Our robot will break it down into simple steps.
	127	+Record the reactions of participants and evaluate how is the activity accomplished.
	128	+
128	128	== Material ==
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130	130	1. Consent form. To protect the privacy of participants and ensure the evaluation process goes smoothly, we will ask participants to sign a consent form, indicating they are willing to take part in the evaluation and the data gathered from the experiment will be analyzed by researchers.