How Can I Make Better Design Decisions?

1. 80/20 Rule
2. Accessibility
3. Comparison
4. Convergence
5. Cost-Benefit
6. Design by Committee
7. Development Cycle
8. Errors
9. Expectation Effect
10. Factor of Safety
11. Feedback Loop
12. Flexibility-Usability-Tradeoff
13. Form Follows Function
14. Freeze-Flight-Fight-Forfeit
15. Garbage In - Garbage Out
16. Hierarchy of Needs
17. Iteration
18. Life Cycle
19. Modularity
20. Most Advanced Yet Acceptable
21. Normal Distribution
22. Not Invented Here
23. Ockham's Razor
24. Performance Vs Preference
25. Personas
26. Prototyping
27. Redundancy
28. Satisficing
29. Scaling Fallacy
30. Structural Forms
31. Uncertainty Principle
32. Weakest Link
33. KISS (Keep it Simple, Stupid)
34. Abbe's Error
35. Back-of-the-Dresser - Steve Jobs
36. Crowd Intelligence
37. Dunning-Kruger Effect
38. Feature Creep
39. Hicks Law
40. Root Cause
41. Saint-Venant's Principle
42. Selection Bias
43. Sunk Cost Effect