It's possible that:
* You may be misremembering the name or slightly altering it. There are numerous techniques and methods used in various fields. Perhaps you're thinking of a similar-sounding technique, but with a different name.
* It's a specific technique used in a niche area. It's possible that "Edward technique" is a term used within a specific group, organization, or profession.
To help me understand what you are looking for, please provide more context:
* Where did you hear the term "Edward technique"? (e.g., a book, a website, a conversation)
* What was the context surrounding the term? (e.g., what was being discussed or explained?)
* What field or area of interest are you interested in? (e.g., psychology, medicine, education, etc.)
With more information, I can better assist you in identifying the correct term or technique.