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Version 35.1 by Haoran Wang on 2022/03/07 18:24

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Haoran Wang 32.1 1 = Ideal Evaluation (actual research) =
Mathieu Jung-Muller 31.1 2
Mathieu Jung-Muller 29.1 3 == Problem statement and research questions ==
4
Haoran Wang 8.1 5 This project uses a Social Cognitive Engineering (SCE) approach to guide the design and research process. The SCE method provides a systematic approach to our study of robots for PwDs. The main goal of our application is to improve the well-being of the person with dementia (PwD) and of those living with them.
Pietro Piccini 6.1 6
Haoran Wang 8.1 7 For the prototype that we have designed now, these are some research questions that we want to address.
8
Mathieu Jung-Muller 29.1 9 1. Are the different stakeholders able to use our prototype smoothly?
Mathieu Jung-Muller 28.1 10 1. Does the prototype allow the PwD a greater autonomy in their day-to-day life?
Mathieu Jung-Muller 29.1 11 1. Does the prototype improve the emotional state of the PwD and their relatives?
Mathieu Jung-Muller 28.1 12
Mathieu Jung-Muller 29.1 13 == Method ==
Bart Vastenhouw 1.1 14
Mathieu Jung-Muller 29.1 15 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.
16 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.
Bart Vastenhouw 1.1 17
Manolo Xin 2.1 18 == Participants ==
Bart Vastenhouw 1.1 19
Mathieu Jung-Muller 29.1 20 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.
Mathieu Jung-Muller 30.1 21 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.
Mathieu Jung-Muller 29.1 22 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.
Bart Vastenhouw 1.1 23
Manolo Xin 2.1 24 == Experimental design ==
Bart Vastenhouw 1.1 25
Mathieu Jung-Muller 29.1 26 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.
27 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.
28
Manolo Xin 2.1 29 == Tasks ==
Bart Vastenhouw 1.1 30
Mathieu Jung-Muller 29.1 31 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.
32 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.
Bart Vastenhouw 1.1 33
Manolo Xin 2.1 34 == Measures ==
Bart Vastenhouw 1.1 35
Mathieu Jung-Muller 29.1 36 We are planning to make behavioural and emotional measurements.
37 Behavioral measurements are the actions that the PwD is going to perform during the week, so it can be considered as subjective quantitative data. This will involve the relatives, the HPC and the PwD themselves to quantify whether the use of Pepper did actually result in an increase in autonomy for the PwD.
38 Emotional measurements are more related to state of mind, change of expression and mood, so it can be considered as qualitative data. This can be measured by frequent talks with the PwD, either by the relatives or the HPC.
39 Measures will be done by oral discussions with the PwD, HPC and relatives.
40
Manolo Xin 2.1 41 == Procedure ==
Bart Vastenhouw 1.1 42
Mathieu Jung-Muller 29.1 43 The whole experiment process is 4 weeks long, although only weeks 1 and 4 are technically part of the experiment itself.
44 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.
45 During weeks 2 and 3, the PwD, the HPC and the relatives will be introduced Pepper, with the goal of getting used to it.
46 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.
Haoran Wang 20.1 47
Mathieu Jung-Muller 29.1 48 == Material ==
Haoran Wang 20.1 49
Haoran Wang 23.1 50 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.
Mathieu Jung-Muller 29.1 51 1. Pepper robot. Our robot is programmed using Choregraphe. The robot will have the same behaviour for every participant. However, the input data will be entered by the HPC (and potentially the relatives).
Bart Vastenhouw 1.1 52
Mathieu Jung-Muller 29.1 53 == Results ==
Bart Vastenhouw 1.1 54
Mathieu Jung-Muller 29.1 55 Since each PwD has its own state of dementia and personal issues, it is very difficult to get uniform results, especially since they are collected orally.
56 Getting very nice, fully robust and reliable results, is merely a hope and a dream.
57 However, we can try to consider the main trends that we are interested in.
58 Thus, the results wil be mainly focused on:
59 - How much autonomy did the PwD gain?
60 → what did the HPC, relatives and PwD report
61 → how many tasks did they perform that they didn't do previously
62 → did the relatives feel they had more time for themselves
63 - Did their emotional state improve?
64 → feelings from the PwD themselves
65 → reports from relatives and HPC
66 These results will most likely never be yes-no results, but more like clues or hints that show whether some things worked on not, which will be the point of our discussion.
67 NB: This part explains what we expect as kind of results, it will be replaced by actual results after we perform an experiment with the class. There may also be interesting points we did not think about.
Bart Vastenhouw 1.1 68
Mathieu Jung-Muller 29.1 69 == Discussion ==
Bart Vastenhouw 1.1 70
Mathieu Jung-Muller 29.1 71 * Reliability: Yes. One could replicate the same experiment with other patients.
72 * Validity: TBD.
73 * Biases: TBD.
74 * 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.
75 * 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.
Bart Vastenhouw 1.1 76
Mathieu Jung-Muller 29.1 77 == Conclusions ==
Mathieu Jung-Muller 31.1 78
79
80
Haoran Wang 33.1 81 = Feasible evaluation (students) =
Mathieu Jung-Muller 31.1 82
83 == Problem statement and research questions ==
84
85 This project uses a Social Cognitive Engineering (SCE) approach to guide the design and research process. The SCE method provides a systematic approach to our study of robots for PwDs. The main goal of our application is to improve the well-being of the person with dementia (PwD) and of those living with them.
86
87 For the prototype that we have designed now, these are some research questions that we want to address.
88
89 1. Are the different stakeholders able to use our prototype smoothly?
Haoran Wang 35.1 90 1. Does the prototype allow the PwD greater autonomy in their day-to-day life?
Mathieu Jung-Muller 31.1 91 1. Does the prototype improve the emotional state of the PwD and their relatives?
92
93 == Method ==
94
Haoran Wang 35.1 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.
Mathieu Jung-Muller 31.1 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.
97
98 == Participants ==
99
Haoran Wang 34.1 100 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.
Mathieu Jung-Muller 31.1 101
102 == Experimental design ==
Haoran Wang 34.1 103 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.
Mathieu Jung-Muller 31.1 104
105 == Tasks ==
106
Haoran Wang 34.1 107 All participants will go through our designed testing process, which includes medication/meal/activity reminder and activity breakdown.
Mathieu Jung-Muller 31.1 108
Haoran Wang 34.1 109 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
Mathieu Jung-Muller 31.1 112 == Measures ==
113
114 We are planning to make behavioural and emotional measurements.
115 Behavioral measurements are the actions that the PwD is going to perform during the week, so it can be considered as subjective quantitative data. This will involve the relatives, the HPC and the PwD themselves to quantify whether the use of Pepper did actually result in an increase in autonomy for the PwD.
116 Emotional measurements are more related to state of mind, change of expression and mood, so it can be considered as qualitative data. This can be measured by frequent talks with the PwD, either by the relatives or the HPC.
117 Measures will be done by oral discussions with the PwD, HPC and relatives.
118
119 == Procedure ==
120
Haoran Wang 34.1 121 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.
Mathieu Jung-Muller 31.1 123
Haoran Wang 34.1 124 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
Mathieu Jung-Muller 31.1 129 == Material ==
130
131 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.
132 1. Pepper robot. Our robot is programmed using Choregraphe. The robot will have the same behaviour for every participant. However, the input data will be entered by the HPC (and potentially the relatives).
133
134 == Results ==
135
136 Since each PwD has its own state of dementia and personal issues, it is very difficult to get uniform results, especially since they are collected orally.
137 Getting very nice, fully robust and reliable results, is merely a hope and a dream.
138 However, we can try to consider the main trends that we are interested in.
139 Thus, the results wil be mainly focused on:
140 - How much autonomy did the PwD gain?
141 → what did the HPC, relatives and PwD report
142 → how many tasks did they perform that they didn't do previously
143 → did the relatives feel they had more time for themselves
144 - Did their emotional state improve?
145 → feelings from the PwD themselves
146 → reports from relatives and HPC
147 These results will most likely never be yes-no results, but more like clues or hints that show whether some things worked on not, which will be the point of our discussion.
148 NB: This part explains what we expect as kind of results, it will be replaced by actual results after we perform an experiment with the class. There may also be interesting points we did not think about.
149
150 == Discussion ==
151
152 * Reliability: Yes. One could replicate the same experiment with other patients.
153 * Validity: TBD.
154 * Biases: TBD.
155 * 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.
156 * 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.
157
158 == Conclusions ==