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Changes for page b. Test

Last modified by Clemente van der Aa on 2023/04/08 17:42
From version 11.1
edited by Rick Dekker
on 2023/04/05 11:55
Change comment: There is no comment for this version
To version 3.1
edited by Clemente van der Aa
on 2023/03/22 11:42
Change comment: There is no comment for this version

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1 1  **Introduction**
2 2  
3 -The purpose of this study is to evaluate the effectiveness of a socially intelligent dog-robot, Dogg0, in providing companionship and reducing stress levels for people with dementia (PwD). The study aims to test the hypothesis that the interactions with the robot will improve the mood of the PwD and enhance their trust in the robot. To achieve this, we will measure trustworthiness, the effect on the mood of the PwD, and the functionalities of the robot. These aspects will be assessed using a questionnaire filled out by participants immediately after the experiment.
3 +Section [[Prototype>>url:https://xwiki.ewi.tudelft.nl/xwiki/wiki/rejamexample/view/3.%20Evaluation/a.%20Prototype/]] presented the //socially intelligent// dog-robot Miro-E for the use case " UC02.0: Accompany and entertain the PwD". In this use case the hypothesis is tested that the PwD will feel companionship and lower level of stress due to interactions with the Dogg0. We will test these interactions by assess aspects like Trustworthiness, the effect it has on the mood of the PwD and the functionalities of the Dogg0. These aspects will be measured with a questionnaire that the participants fill in right after the experiment.
4 4  
5 +**Method**
5 5  
6 -**Method:**
7 +The prototype was evaluated with an in-person experiment with multiple participants.
7 7  
8 -The prototype was evaluated through an in-person experiment involving multiple participants. Since we cannot conduct the experiment with real PwD, fellow students who are also taking the course and others were recruited as participants. All data collected will be anonymized to maintain confidentiality.
9 +**Participants**
9 9  
11 +Unfortunately, we can’t do the experiment with real PwD, so the participants will be fellow students that also take the course. The data will be anonymized.
10 10  
11 -**Experimental Design:**
13 +**Experimental design**
12 12  
13 -We used a within-subject design in which all participants interacted with the robot.
15 +For the experiment, we used a within-subject design. All of the participants interacted with both versions of the robot, with half of the participants interacting with version 1 first and then version 2, and the other half in reverse order. This was done to counter-balance the carryover effects.
14 14  
17 +**Tasks**
15 15  
16 -**Tasks:**
19 +The participants are instructed to interact with the Dogg0, without prior knowledge of all its functionalities. The goal is thst
17 17  
18 -Participants were instructed to interact with Dogg0 without prior knowledge of all its functionalities. They were free to engage with the robot as they wished.
21 +**Measures**
19 19  
23 +The trustworthiness, the effect it has on the mood of the participant and the functionalities are being measured. This is done by filling in a questionnaire where these aspects are divided in sub questions. The level of agreement and feelings towards these aspects are captured using the Likert Scale.
20 20  
21 -**Measures:**
22 22  
23 -A trust score, as described in Gutalli et al. (2019) //(Design, development and evaluation of a human-computer trust scale)//, the effect on the mood of the participant was measured using a questionnaire. The questionnaire consisted of sub-questions related to these aspects and used a Likert Scale to capture the level of agreement and feelings towards these aspects.
26 +== 2.5 Procedure ==
24 24  
25 25  
26 -//Trust Score~://
29 +== 2.6 Material ==
27 27  
28 -[[image:attach:Screenshot.png]]
29 29  
30 -According to Gulati et al. (2019), the trust people have in robots consist of 4 different factors:
31 -
32 -//1) The Percieved Risk of the Robot~:// This indicates how cautious people feel they have to be around the robot, or how risky they feel it is to interact with the robot. This score inverted shows how much people trust a robot.
33 -
34 -//2) The Benevolence of the Robot: //This score shows how much people think a robot will act in their best interests.
35 -
36 -//3) The Competence of the Robot: //This shows how well people think the robot is fit for its job.
37 -
38 -//4) The Reciprocity of the Robot: //The Reciprocity score indicates how much people feel a connection with the robot.
39 -
40 -
41 -//Mood Score~://
42 -
43 -Our Mood Score is derived from the Oxford Happiness Questionnaire //(Hills et al. ,The Oxford Happiness Questionnaire: a compact scale for the measurement of psychological well-being, (2002))//. The Oxford Happiness Questionnaire correlates with personality variables like satisfaction with life, self-esteem and happiness. This score can be used to measure the effect of the interaction with Dogg0 on people's happiness.
44 -
45 -
46 -**Procedure:**
47 -
48 -The procedure was conducted as follows:
49 -
50 -1. Participants were welcomed and informed about the purpose of the study.
51 -1. Participants signed a consent form to indicate their willingness to participate and allow researchers to analyze the data gathered from the experiment.
52 -1. Participants interacted with the robot.
53 -1. Participants completed a questionnaire that assesed their mood and their trust in Dogg0.
54 -
55 -
56 -**Materials:**
57 -
58 -Two main materials were used in this study. First, a consent form was used to ensure that participants were willing to participate, and their privacy was protected. Second, the Dogg0 robot was used to evaluate its effectiveness. The robot was programmed using MiroCloud and had the same behavior for every participant.
59 -
60 -
61 61  = 3. Results =
62 62  
63 63  
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