Question 39 0.5 pts What makes the interaction loop as the "closed loop"? (1 word) ( Question 40 0.5 pts This is an explanation of someone's thought process about how the system/product works in the real world. When a designer's conceptual model matches with users'( ), users can intuitively use the system/product. (2 words) Question 36 0.5 pts The study of the quantitative relationship between environmental stimulation and sensory experience is called ).(1 word) Question 37 0.5 pts ) explains that sensation is related to the stimulus intensity by an Stevens' ( exponent. (2 words) D Question 38 0.5 pts In principle of response selection, we learned "it is more efficient to deliver information by making a few complex decisions than many simple ones". What is it called? (3 words)