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. Author manuscript; available in PMC: 2015 May 28.
Published in final edited form as: Br J Health Psychol. 2013 Oct 1;19(4):720–736. doi: 10.1111/bjhp.12069

Table 2. Effects of experimental condition on attitudes.

Experimental Condition

No Genetic Attention
Genetic Basis Basis Control

Outcome Variable Cronbach α F df p η2 Mean SD Mean SD Mean SD
Addiction and Quitting Beliefs Subscales
 Amount to addiction 0.82 0.5 313 .62 0.003 3.4 0.9 3.2 1.1 3.3 1.1
 Can avoid addiction 0.62 0.3 313 .77 0.002 1.9 1.4 1.8 1.4 1.8 1.4
 Judgment 0.64 0.3 313 .71 0.002 1.5 0.3 1.5 0.3 1.5 0.3
 Deterministic addiction 0.46 0.3 313 .73 0.002 3.2 1.0 3.1 1.0 3.1 1.0
 Agentic quitting 0.55 0.7 313 .47 0.005 3.5 0.8 3.6 0.8 3.6 0.7
Delayed harm 0.76 0.6 325 .53 0.004 1.2 1.0 1.2 1.0 1.2 1.0
Quitting self-efficacy 0.86 0.4 328 .67 0.002 4.3 3.9 4.3 3.9 4.2 3.9
Worry 0.87 0.1 325 .93 0.000 2.0 1.6 2.1 1.7 2.0 1.7
Feelings of risk 0.81 2.5 326 .08 0.015 2.9 1.1 3.2 1.0 3.1 1.1
Quitting intentions -- 0.2 326 .79 0.001 4.3 4.1 4.3 4.1 4.2 4.2

Note. No means were statistically significantly different from each other. All means and SDs presented here were backtransformed from the transformation used to construct a more normal distribution. Log10 transformation was performed on can avoid addiction, worry, and delayed harm. Square root and exponential transformations were performed on judgment and quitting self-efficacy, respectively. The remaining variables were not transformed.