Piecemeal Reform
also Piecemeal Improvement · Incremental Knowledge Growth · Gradual Progress
Improving knowledge by making small, testable changes to what already exists rather than discarding it for a wholesale revolutionary redesign.
Piecemeal reform is the policy of improving existing knowledge or institutions through many small, individually checkable modifications instead of scrapping the whole structure to rebuild from a blank slate. The idea comes from Karl Popper, who argued against utopian or revolutionary attempts to remake systems all at once: such sweeping changes outrun our ability to anticipate and correct their consequences, while small changes let us trace which adjustment caused which result. Critical Rationalism treats tradition as a stock of inherited, partly-tested knowledge worth building on, not a slate to wipe clean.
Critical Fallibilism endorses this and sharpens it through overreach. The reason to keep steps small is not modesty for its own sake but error-correction economics: a change should be small enough that any errors it introduces stay within your error-correction capacity. Take steps too big and your error rate exceeds your capacity to fix mistakes, so a backlog of unsolved problems accumulates and progress stalls or fails. CF therefore ties piecemeal reform to incremental progress built on a tested baseline of past successes, and to learner-driven learning, since the learner must be able to judge each step’s success or failure.
CF also denies that small steps mean slow progress: many quick, low-risk steps usually outpace a few ambitious ones that get stuck. The real opposition is to revolutionary overhauls and to over-ambitious leaps disconnected from current knowledge — both of which raise error and failure rates and sacrifice the error correction that drives real learning.