Development and testing of the Mastery of Stress Instrument.

@article{Younger1993DevelopmentAT,
  title={Development and testing of the Mastery of Stress Instrument.},
  author={J. Benjamin Younger},
  journal={Nursing research},
  year={1993},
  volume={42 2},
  pages={
          68-73
        }
}
The purpose of this research was to develop and test an instrument to measure mastery of stress. Mastery is defined as a human response to difficult or stressful circumstances in which a person gains competence, control, and dominion over the experience of stress. The instrument consists of four 15-item scales: Certainty, Change, Acceptance, and Growth. 
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