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Changes for page b. Test

Last modified by Jean-Paul Smit on 2024/04/09 15:23
From version 22.1
edited by Rixt Hellinga
on 2024/04/05 22:03
Change comment: There is no comment for this version
To version 23.3
edited by Jean-Paul Smit
on 2024/04/07 00:04
Change comment: There is no comment for this version

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10 10  === 2. Method ===
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12 +[[Figure: procedure of the controlled experiment>>image:Procedure.png]]
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12 12  ==== 2.1 Participants ====
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14 14  As actual PwDs are not available for this research, the participants will consist of several student volunteers. These will be divided into two groups: those using the Nao robot for memory retrieval (the test group) and those using text-based prompts (the control group).
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63 63  
64 64  === 3. Results ===
65 65  
68 +Twenty University students participated in the controlled experiment (M= 45%, F=55%). After gaining consent through the consent form, all participants were briefed to act as if experiencing the interaction from the viewpoint of a PwD. From the sample, half were asked to interact with the NAO and half were only using a voice-based version of the encyclopedia prototype.
66 66  
70 +[[Pie chart showing the gender distribution of our sample. / Boxplot chart showing the familiarity with robots and the attitude towards technology.>>image:gender & familiarity.png]]
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73 +Most resulting p values had an alpha above 0.05 and thus were not significant enough.
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75 +[[Table showing the Affect variables>>image:Table of means.png||height="214" width="737"]]
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67 67  === 4. Discussion ===
68 68  
79 +**Sample Group and Size impact validity of the study**
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81 +The ecological validity of the study is impacted by the fact that there were no PwD in our sample.The scope of the experiment was limited to TU Delft University students. That means that future research may benefit from a closer approach to an experiment which is closer to the experience of PwD. Moreover, the controlled experiment was restricted to a cohort of 20 participants, underscoring the potential for enhancing result validity through the utilization of a larger sample size
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69 69  **//Participants don't know about points system so they didn't answer with "getting the most points" in mind//**
70 70  
71 71  //Ambiguities in the evaluation briefing has led to several aspects in the results that might misrepresent the participants' gathered knowledge. Points were awarded to the participant for certain key descriptors, each family member's role, occupation, likes, dislikes and so on. Of course, this wasn't known to the participant, so they might have omitted descriptors they deemed less important or trivial and therefore scored worse, even though they'd heard and remembered them.//
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