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Table 2 Reliability estimates for all MPMI-s scales

From: The short version of the Metacognitive Prospective Memory Inventory (MPMI-s): factor structure, reliability, validity, and reference data

  PMA PMSi PMSe
McDonald’s Omega Wave bc 0.78 0.79 0.76
Wave bf 0.78 0.80 0.78
Cronbach’s Alpha Wave bc 0.70 0.78 0.75
Wave bf 0.72 0.80 0.77
Retest correlation   0.64 0.67 0.73
  1. PMA prospective memory abilities, PMSi prospective memory strategies: internal, PMSe prospective memory strategies: external; N = 2996 – 4069