What is the difference between "a methodical approach" and "a method"?
Context: Engineering and evolution Since a single genetic flaw can spell death for an organism, the challenge of managing a series of hundreds of specific changes was daunting, the researchers said. In both projects, the researchers paid particular attention to developing a methodical approach to planning and implementing changes and troubleshooting the results.
"methodical" does basically mean "proceeding according to a method", but it has come to have specific connotations of carefulness, orderliness, etc., sometimes (but not in this case) even tending towards laboriousness. Thus a quick and simple method would not be described as "methodical".