A fundamental skill required for EBP is to create a well-built clinical question.
Intervention: Drug, Diagnostic Test, Etc.
Comparative Intervention: Gold Standard, Control, or Other Comparison
Outcome: Desired Result
Some health practices utilize an additional element to the clinical question, or Time:
Time: What is the time frame?
See the following links for demos on building a PICO(T) question. Although some have an emphasis in medicine, the fundamental concepts apply to other disciplines.