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This paper defends the value of scientific replication and its distinctions. It argues that exact, experimental, and conceptual replication remain informative despite critiques regarding systematic error and conflation with extension.

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Area of Science:

  • Philosophy of Science
  • Scientific Methodology

Background:

  • The distinction between exact and conceptual replication is debated.
  • Critiques by Feest and Machery challenge the validity and utility of replication concepts.

Purpose of the Study:

  • To defend the value of replication and the exact/conceptual distinction.
  • To explicate conceptual replication and differentiate it from experimental replication.

Main Methods:

  • Defending replication against critiques from Feest and Machery.
  • Providing an explication of conceptual replication.
  • Establishing a tripartite distinction: exact, experimental, and conceptual replication.

Main Results:

  • Replication remains informative even with potential systematic error.
  • Conceptual replication is not fundamentally confused and does not conflate replication with extension.
  • Objections are raised against Machery's Resampling Account of replication.

Conclusions:

  • The tripartite distinction (exact, experimental, conceptual) is valuable for understanding scientific replication.
  • Replication, including conceptual replication, plays a crucial role in scientific progress.
  • Existing critiques of replication are addressed and rebutted.