is an idealistic approach less valuable than a practical approach?

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Is an idealistic approach less valuable than a practical approach?

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Page 1: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

Page 2: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Page 3: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Page 4: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Page 5: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Physics

Page 6: Is an idealistic approach less valuable than a practical approach?

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

Page 7: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Physics

Economics

Page 8: Is an idealistic approach less valuable than a practical approach?

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.

Page 9: Is an idealistic approach less valuable than a practical approach?
Page 10: Is an idealistic approach less valuable than a practical approach?
Page 11: Is an idealistic approach less valuable than a practical approach?
Page 12: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Physics

Economics

Programming

Page 13: Is an idealistic approach less valuable than a practical approach?

Usability inspection:

Expert

Once for all

Usability testing:

Real users

Gradual and continuous imporvement

Page 14: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Physics

Economics

Programming

Page 15: Is an idealistic approach less valuable than a practical approach?

Is an idealistic approach less valuable than a practical approach?

For what

Science

Technology

Natural science

Social science

Physics

Economics

Programming 1

2

3