Six steps you can follow to increase the likelihood of a favorable outcome from your decisions:

1. Asking: Translating a practical issue or problem into an answerable question
2. Acquiring: Systematically searching for and retrieving the evidence 
3. Appraising: Critically judging the trustworthiness and relevance of the evidence
4. Aggregating: Weighing and pulling together the evidence 
5. Applying: Incorporating the evidence into the decision-making process 
6. Assessing: Evaluating the outcome of the decision.

• Scientific literature. Knowledge from scientific evidence is more accurate than the opinions of experts or their best practices. 
• Internal data. Professional judgments based on hard data are far more accurate than judgments based on individual experi...