The document discusses whether an idealistic approach is less valuable than a practical approach in various fields. It explores this question in relation to science, technology, natural science, social science, physics, economics, and programming. The document presents perspectives on economic theories and their ability to fully explain economic systems, as well as different approaches to usability inspection and testing.

1. Is an idealistic approach less valuable
than a practical approach?

2. Is an idealistic approach less valuable
than a practical approach?
For what

3. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology

4. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science

5. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science
Physics

6. Supposition: Only force of sliding friction exists;
there is no force of rolling friction.

7. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science
Physics
Economics

8. Can economic theories fully explain how
economy run?
Many people may answer “Yes”.
Facts:
Current economic theories never explained or
predicted economic crisis successfully.
Premise:
Humans are always reasonable.

12. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science
Physics
Economics
Programming

13. Usability inspection:
Expert
Once for all
Usability testing:
Real users
Gradual and continuous
imporvement

14. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science
Physics
Economics
Programming

15. Is an idealistic approach less valuable
than a practical approach?
For what
Science
Technology
Natural
science
Social science
Physics
Economics
Programming 1
2
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