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117	117	* As mentioned before, the small sample size made the accuracy of the result doubtable. Having a larger and more diverse sample group would allow us to more accurately predict real-world usage.
118	118	* The accuracy of the speech recognition system in the NAO and the availability of test subjects and robots also limited the evaluation.
119	119
120		-Based on our evaluation, we proved that participants with our intelligent robot are more willing to play the quiz and consider the robot can help them remember the task better compared with the control group. Our robot still needs further improvement based on the previous discussion. In the future, we could improve in the following aspects,
	120	+In the future, we could improve in the following aspects,
121	121
122	122	* Test a full implementation of the system in a real setting with PwD.
123	123	* Research should also be done to look if the robot is actually necessary, or if the advantage of the system could be achieved by a cheaper alternative, such as a virtual robot on a tablet. (Also inspired by the feedback we got. One participant asked why we didn't create an APP.)
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	125	+= Conclusion =
	126	+
	127	+Based on our evaluation, we proved that participants with our intelligent robot are more willing to play the quiz and consider the robot can help them remember the task better compared with the control group. Our robot still needs further improvement based on the previous discussion.
	128	+
125	125	= Reference =
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127	127	Bangor, A., Kortum, P. T., & Miller, J. T. (2008). An empirical evaluation of the system usability scale. Intl. Journal of Human–Computer Interaction, 24(6), 574-594.