Changes for page 3. Evaluation Methods

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1		-To ground the design rationale in practice, the prototype of the NAO for the PwD will be evaluated in a formative evaluation with the PwD and their caregivers. The evaluation will investigate the process of how interaction with the NAO can alleviate potential symptoms caused by early-stage dementia in PwD.  Three methods of evaluation will be applied to have reliable and accurate results, as Bethel. et al (2020)[1] suggests.
	1	+To ground the design rationale in practice, the prototype of the NAO for the subject will be evaluated in a formative evaluation with the subject and their caregivers. The evaluation will investigate the process of how interaction with the NAO can alleviate potential symptoms caused by early-stage dementia in subjects.  Three methods of evaluation will be applied to have reliable and accurate results, as Bethel. et al (2020)[1] suggests.
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3		-The study will focus on the prototype's potential effects, which are based on the desired value of autonomy as a part of self-direction. Before the study, possible confounding variables need to be examined such as the PwD's attitude towards robots and the **autonomy, relatedness** and **competence**.
	3	+The study will focus on the prototype's potential effects, which are based on the desired value of autonomy as a part of self-direction. Before the study, possible confounding variables need to be examined such as the subject's attitude towards robots and the **autonomy, relatedness** and **competence**.
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5	5	==== Study design claims ====
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7	7	The study will investigate the claims on the following questions:
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9		-~1. **Autonomy. **Does the design increase the sense of //autonomy //in a PwD?
	9	+~1. **Autonomy. **Does the design increase the sense of //autonomy //in a subject?
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11		-2. **Relatedness. **Does the design positively affect the PwD's //affective //state? Do PwDs //like// the system?
	11	+2. **Relatedness. **Does the design positively affect the subject's //affective //state? Do subjects //like// the system?
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13		-3. **Competence. **Is the design //dependable//; is the design accessible enough for the PwD to rely on it? Does it feel natural?
	13	+3. **Competence. **Is the design //dependable//; is the design accessible enough for the subject to rely on it? Does it feel natural?
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15		-4. **Recall**. Can the participant accurately retrieve information through the robot?
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17		-5. Memory self-efficacy.
	16	+For a sample size as small as 20 participants, it is most adequate to apply a within-subjects design (they require fewer participants) [1]. That means there is an approach where every subject is experiencing all of the conditions examined. A within-subjects design might be prone to confounds such as pre-existing notions in the environment. That is why the attitude towards robots and the pre-study sense of affect and autonomy should be examined and evaluated as such. Another confounder variable to look into is the study location and environment.
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20		-For a sample size as small as 20 participants, it is most adequate to apply a within-subjects design (they require fewer participants) [1]. That means there is an approach where every PwD is experiencing all of the conditions examined. A within-subjects design might be prone to confounds such as pre-existing notions in the environment. That is why the attitude towards robots and the pre-study sense of affect and autonomy should be examined and evaluated as such. Another confounder variable to look into is the study location and environment.
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22	22	[[image:Socio-Cognitive Engineering - Frame 1.jpg]]
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	20	+/
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25	25	== References ==
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27	27	[1] Bethel, C.L., Henkel, Z., Baugus, K. (2020). Conducting Studies in Human-Robot Interaction. In: Jost, C., //et al.// Human-Robot Interaction. Springer Series on Bio- and Neurosystems, vol 12. Springer, Cham. https:~/~/doi.org/10.1007/978-3-030-42307-0_4