Published online by Cambridge University Press: 27 May 2026
Empirical tests are necessary for the advancement of theories. Clear theoretical definitions enable researchers to find or create instances of the abstract concepts. Empirical tests can be done using a variety of methodologies. Some empirical tests supply more information than others based on how many alternatives interpretations for the results can be ruled out. Stronger tests are those that offer more precise predictions. Replications of tests are important for the advancement of theory. We differentiate between empirical replications, which use the exact same measurements to test a theory and theoretical replications, which use differing operationalizations to test a theory. Both types of replication are important and rely on researchers making their reasoning and test materials publicly available.
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