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Table 2 Measurement Scales and Reliability Statistics

From: Communicating radon risk via a smartphone app: a pilot intervention study

Measurement scalesT1T2
Attitudes toward radon testing:
 bad – good, negative – positive, unfavorable – favorable, dislike – like, and worthless – valuable.95a.95a
Perceived severity of the threat:
 • I feel lung cancer would be a very serious illness for me.
 • If I had lung cancer, my whole life would change.
Perceived susceptibility of the threat:
 • I am more likely to get lung cancer because of how I live my life.
 • Personally, I feel vulnerable to developing lung cancer.
Response efficacy:
 • I feel that a radon test would help me personally to reduce my risk of lung cancer.
 • I have a lot to gain from conducting a radon test in my home.
 • If I wanted, I could easily perform a radon test.
 • I feel like I would know how to test my home for radon if I wanted to.
  1. a calculated by Cronbach’s alpha
  2. b calculated by Spearman-Brown coefficient