Norms
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      1. Frequently Asked Questions
      2. CORE
      3. Norms

      Which countries are included in the international norm?

      For CORE, the International norm is based on the national norms (in all N = 549):

      • US data sample (N=153)
      • Norway (N=396)

      The International norm is a weighted average of all the local samples, ensuring equal representativeness for all countries included. National samples are included in the International norm if they have at least 300 responses locally.