1.Allen, K. M., Blascovich, J., Tomaka, J. and Kelsey, R.M., “Presence of human friends and pet dogs as moderators of autonomic responses to stress in women,” J. Pers. Soc. Psychol. 61, 582–589 (1991).
2.Baron, R. M. and Kenny, D. A., “The moderator-mediator variable distinction in social psychological research: Conceptual, strategic, and statistical considerations,” J. Pers. Soc. Psychol. 51, 1173–1182 (1986).
3.Bartneck, C., Croft, E. and Kulic, D., “Measuring the Anthropomorphism, Animacy, Likeability, Perceived Intelligence and Perceived Safety of Robots,” Proceedings of the Metrics for Human-Robot Interaction Workshop in affiliation with the 3rd ACM/IEEE International Conference on Human-Robot Interaction, Technical Report 471, University of Hertfordshire, Amsterdam (2008) pp. 37–41. Available at: https://ece.uwaterloo.ca/~dkulic/pubs/bartneckKulicCroft.pdf.
4.Bush, E., “The use of human touch to improve the well-being of older adults,” J. Holistic Nurs. 19, 256–270 (2001).
5.Cabibihan, J. J., Pattofatto, S., Jomaa, M., Benallal, A. and Carrozza, M. C., “Towards humanlike social touch for sociable robotics and prosthetics: Comparisons on the compliance, conformance and hysteresis of synthetic and human fingertip skins,” Int. J. Soc. Robot. 1, 29–40 (2009).
6.Chaturvedi, M. and Chander, R., “Development of emotional stability scale,” Ind. Psychiatry J. 19, 37–40 (2010).
7.Cho, K. and Shin, C., “Caregiving Intervention for Children with Autism Spectrum Disorders using an Animal Robot,” Proceedings of the 6th International Conference on Human-Robot Interaction (ACM, New York, 2011) pp. 399–400.
8.Cunningham, M.R., “Weather, mood, and helping behavior: Quasi experiments with the sunshine samaritan,” J. Pers. Soc. Psychol. 37, 1947–1956 (1979).
9.Davis, M., Robinsa, B., Dautenhahn, K., Nehaniv, C. and Powell, S., “A Comparison of Interactive and Robotic Systems in Therapy and Education for Children with Autism,” Proceeding of the Assistive Technology from Virtuality to Reality—8th European Conference for the Advancement of Assistive Technology in Europe AAATE05, Lille, France (2005).
10.Dubner, R., Sharav, Y., Gracely, R. H. and Price, D. D., “Idiopathic trigeminal neuralgia: Sensory features and pain mechanisms,” Pain 31, 23–33 (1987).
11.Dyck, P. J., Zimmerman, I. R., O'Brien, P. C., Ness, A., Caskey, P. E., Karnes, J. and Bushek, W., “Introduction of automated systems to evaluate touch-pressure, vibration, and thermal cutaneous sensation in man,” Ann. Neurol. 4, 502–510 (1978).
12.Fisher, J. D., Rytting, M. and Heslin, R., “Hands touching hands: Affective and evaluative effects of an interpersonal touch,” Sociometry 39, 416–421 (1976).
13.Ford, C. W., Compassionate Touch: The Role of Human Touch in Healing and Recovery (Simon & Schuster, New York, 1993).
14.Gibson, J. J., “Observations on active touch,” Psychol. Rev. 69, 477–491 (1962).
15.Goetz, J., Kiesler, S. and Powers, A., “Matching Robot Appearance and Behavior to Tasks to Improve Human-robot Cooperation,” Proceedings of the 12th IEEE International Workshop on Robot and Human Interactive Communication (IEEE, New York, NY: 2003) pp. 55–60.
16.Gray, P. B. and Young, S. M., “Human-pet dynamics in cross-cultural perspective,” Anthrozoos: Multidiscip. J. Interact. 24, 17–30, 2011.
17.Griffitt, W., “Environmental effects on interpersonal affective behavior: Ambient effective temperature and attraction,” J. Pers. Soc. Psychol. 15, 240–244 (1970).
18.Griffitt, W. and Veitch, R., “Hot and crowded: Influence of population density and temperature on interpersonal affective behavior,” J. Pers. Soc. Psychol. 17, 92–98 (1971).
19.Groom, V., Chen, J., Johnson, T., Kara, F. A. and Nass, C., “Critic, Compatriot, or Chump Re-sponses to Robot Blame Attribution,” Proceedings of the 5th ACM/IEEE International Conference on Human-Robot Interaction (ACM, New York, 2010) pp. 211–217.
20.Hassanein, K. and Head, M., “The impact of infusing social presence in the web interface: An investigation across product types,” Int. J. Electron. Commer. 10, 31–55 (2006).
21.Heerink, M., Krose, B., Evers, V. and Wielinga, B., “The influence of social presence on acceptance of a companion robot by older people,” J. Phys. Agents 2, 33–40 (2008).
22.Hinds, P. J., Roberts, T. L. and Jones, H., “Whose job is it anyway? A study of human-robot interaction in a collaborative task,” Hum.-Comput. Interact. 42, 151–181 (2004).
23.Jin, S. A. A., “Modality effects in second life: The mediating role of social presence and the moderating role of product involvement,” Cyberpsychol. Behav. 12, 717–721 (2009).
24.Kaneko, K., Harada, K. and Kanehiro, F., “Development of Multi-fingered Hand for Life-size Humanoid Robots,” Proceedings of 2007 IEEE International Conference on Robotics and Automation (IEEE, New York, 2007) pp. 913–920.
25.Kenny, D. A., “Reflections on mediation,” Organ. Res. Methods 11, 353–358 (2008).
26.Kim, K. J., Sundar, S. S. and Park, E., “Caregiving role in human-robot interaction: A study of the mediating effects of perceived benefit and social presence,” Comput. Hum. Behav. 29, 1799–1806 (2013).
27.Kolb, P., Gockel, C. and Werth, L., “The effects of temperature on service employees' customer orientation: An experimental approach,” Ergon. 55, 621–635 (2012).
28.Komatsu, T. and Uchiyama, K., “Dexterous anthropomorphic robot hand with distributed tactile sensor: Gifu hand II,” IEEE/ASME Trans. Mechatronics 7, 296–303 (2002).
29.Lee, K. M., Peng, W., Jin, S. and Yan, C., “Can robots manifest personality?: An empirical test of personality recognition, social responses, and social presence in humanrobot interaction,” J. Commun. 56, 754–772 (2006).
30.Lee, K. M., Jung, Y., Kim, J. and Kim, S. R. “Are physically embodied social agents better than disembodied social agents?: The effects of physical embodiment, tactile interaction, and people's loneliness in human–robot interaction,” Int. J. Hum.-Comput. Stud. 64, 962–973 (2006).
31.Lee, J., Takehashi, H., Nagai, C. and Obinata, G., “Design of a Therapeutic Robot for Interacting with Autistic Children through Interpersonal Touch,” Proceedings of the 21st IEEE International Symposium on Robot and Human Interactive Communication (IEEE, Paris, France, 2012) pp. 712–717.
33.Lovchik, C. S. and Diftler, M. A., “The Robonaut Hand: A Dexterous Robot Hand for Space,” Proceedings of 1999 IEEE International Conference on Robotics and Automation (IEEE, New York, 1999) pp. 907–912.
34.Nass, C., Fogg, B. J. and Moon, Y., “Can computers be teammates?,” Int. J. Hum. Comput. Stud. 45, 669–678 (1996).
35.Nass, C., Moon, Y., Fogg, B. J., Reeves, B. and C, C. Dryer, “Can Computer Personalities be Human Personalities?,” Proceedings of the International Conference Companion on Human Factors in Computing Systems (ACM, New York, 1995) pp. 228–229.
36.Nie, J., Pak, M., Marin, A. L. and Sundar, S. S., “Can you Hold my Hand?: Physical Warmth in Human-robot Interaction,” Proceedings of the 7th Annual ACM/IEEE International Conference on Human-Robot Interaction (ACM, New York, 2012) pp. 201–202.
37.Park, E. and del Pobil, A. P., “The Effects of Emotions on Psychology of People,” Int. Handb. Acad. Res. Teach. 21, 142–145 (2012).
38.Park, E. and Kim, K. J., “User acceptance of Long-Term Evolution (LTE) services: An application of extended technology acceptance model,” Program: Elect. Libr. Inf. Syst. 47, 188–205 (2013).
39.Park, E., Kong, H., Lim, H., Lee, J., You, S. and del Pobil, A. P., “The Effect of Robot's Behavior vs. Appearance on Communication with Humans,” Proceedings of the 6th International Conference on Human-Robot Interaction (ACM, New York, 2011) pp. 219–220.
40.Serpell, J., “Beneficial effects of pet ownership on some aspects of human health and behaviour,” J. R. Soc. Med. 84, 717–720 (1991).
41.Shin, D. and Choo, H., “Modeling the acceptance of socially interactive robotics: Social presence in human-robot interaction,” Interact. Stud. 12, 430–460 (2011).
42.Shotsberger, P., “The human touch: Synchronous communication in web-based learning,” Educ. Technol. 40, 53–56 (2000).