In terms of design strategy: the design of the "question string" should be goal-oriented; situational; hierarchical; enlightening and focus on the students' recent development areas.
Design strategy: "problem string" design should be targeted, contextual, hierarchical, enlightening and concern edgy students' recent development areas.
In terms of design strategy, the design of "question string" should be objective, situational, hierarchical, enlightening and concerned about the recent development area of students.<br>