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55	55
56	56	== Material ==
57	57
58		-For the experiments, we used the NAO robot platform, and a laptop to control it. The participants completed the questionnaires on their phones by scanning a QR code. The questionnaires are a combination of questions regarding the emotional state of the participants, their hunger levels, their interaction with the robot, and the music included in the interaction. Stroopwafels and water in a clean cup were made available to see and measure how much people ate.
	58	+For the experiments, we used the NAO robot platform, and a laptop to control it with. The participants completed the questionnaires on their phones by scanning a QR code. The questionnaires are a combination of questions regarding the emotional state of the participants, their interaction with the robot, and the music included in the interaction. Stroopwafels and water in a clean cup were made available to see and measure how much people ate.
59	59
60		-During the experiments, four different types of questions were given to the participants, in addition to the Consent Form and Disclaimers they had to sign in the beginning. The four sections were:
	60	+Below are listed the contents of the three questionnares:
61	61
62		-1. 8 questions from the [[EVEA>>https://www.ucm.es/data/cont/docs/39-2013-04-19-EVEA%20-%20Datasheet.pdf]] questionnaire for mood assessment
63		-1. 4 questions from the [[Godspeed>>https://www.bartneck.de/2008/03/11/the-godspeed-questionnaire-series/]] questionnaire to assess the pleasantness and intelligence of the robot
64		-1. 3 hunger and food-related questions of our own, to assess if they eat before or during the interaction (5-point Likert scale)
65		-1. 2 music-related questions of our own, to measure how much they enjoyed the music and what was its effect (5-point Likert scale)
	62	+Questionnare 1:
66	66
67		-Before the first interaction, the participants were asked to respond to sections 1. and 3., while right after each interaction, they were asked to respond to all four sections, with the music section only present after the advanced interaction.
	64	+* Consent Form and Disclaimers
	65	+* Control for robot version A
	66	+** 8 questions from the [[EVEA>>https://www.ucm.es/data/cont/docs/39-2013-04-19-EVEA%20-%20Datasheet.pdf]] questionnaire
	67	+** 4 questions from the [[Godspeed>>https://www.bartneck.de/2008/03/11/the-godspeed-questionnaire-series/]] questionnaire
68	68
	69	+Questionnare 2:
	70	+
	71	+* Questions about robot version A
	72	+** 3 food-related questions of our own (5-point Likert scale)
	73	+** 2 music-related questions of our own (5-point Likert scale)
	74	+* Control for robot version B
	75	+** 8 questions from the [[EVEA>>https://www.ucm.es/data/cont/docs/39-2013-04-19-EVEA%20-%20Datasheet.pdf]] questionnaire
	76	+** 4 questions from the [[Godspeed>>https://www.bartneck.de/2008/03/11/the-godspeed-questionnaire-series/]] questionnaire
	77	+
	78	+Questionnare 3:
	79	+
	80	+* Questions about robot version B
	81	+** 3 food-related questions of our own (5-point Likert scale)
	82	+** 2 music-related questions of our own (5-point Likert scale)
	83	+
69	69	== Practicalities ==
70	70
71		-For actually performing the experiments, there were multiple tasks that had to be performed beforehand.
72		-We first did a practice round by ourselves, which we filmed to have a controlled performance and to be able to give an example of the experiment if needed. For the time that the experiments were going to take place, we first checked our own availability, so we would have at least one person controlling the robot and another interacting with the participant, explaining everything and keeping notes. Afterward, we contacted people from the rest of the groups and friends of ours and decided on a schedule. Then, we had to book the lab, so we accounted for 20 minutes for each participant, as calculated by the test runs we did ourselves, considering that they were going to be some delays. The last step was to buy some stroopwafels and prepare the lab on the day of the experiments.
	86	+Before the experiment we:
73	73
	88	+* did a practice round by ourselves
	89	+** This was filmed to have a controlled performance to give an example of the experiment if needed
	90	+* contacted other groups and decide on scheduling
	91	+** Each participant was booked a 20 min slot
	92	+* reserved the lab
	93	+* bought the stroopwafels
	94	+
74	74	= Results =
75	75
76	76	The results were gathered from 19 personnel, all of whom interacted first with one version of the robot and then the other. 10 of the participants interacted first with the simple version, nine having their first interaction with the advanced version.