Interactive design is a combination of many business, technical, psychological, educational, artistic, and engineering disciplines. Which of the disciplines presented (see in Jenny Preece text for full scope) do you feel is most important to HCI?  700 words
Requirements:
1.Intext citation
2.Google scholar references 
3.APA Citation
References:
Blog Article: Adobe Inc. (2019, October 16). What is Interaction Design & How Does it Compare to UX? Retrieved from https://xd.adobe.com/ideas/ principles/human-computer interaction/what-is-interaction design 
Video: Don Normans The three ways that good design makes you happy @ https://youtu.be/RlQEoJaLQR A 
Video: Cognition, Design, and Usability: An Primer for Technical Communicators @ https://youtu.be/p1vrgC04ab4