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Table 2 Statistical parameters of the ERI scales

From: Applying the effort-reward imbalance model to household and family work: a population-based study of German mothers

  Effort Reward Intrinsic value Societal esteem Affection from child Recognition from spouse Overcom-mitment
Number of items 8 11 3 3 2 3 4
Range sumscore 8 - 40 11 - 55 3 - 15 3 - 15 2 - 10 3 - 15 4 - 16
M 20.9 22.6 5.56 7.75 3.80 6.85 9.40
SD 7.80 8.47 2.52 2.99 2.16 3.54 2.79
Cronbachs Alpha 0.92 0.84 0.69 0.73 0.82 0.82 0.81
  1. Notes: M = Mean value, SD = Standard deviation.
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