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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Int J Drug Policy. 2019 Nov 18;75:102587. doi: 10.1016/j.drugpo.2019.10.013

Table 2.

Computed Text Analysis of Qualitative Responses

Mean (95% CI) General Database Mean Cohen’s d (General) Expressive Writing Database Mean Cohen’s d (Expressive)
Total Word Count 377.4 (297.6, 457.1) - - - -
Authenticity (percentile) 83.8 (79.7, 87.9) 49.2 2.20*** 76.0 0.50***
First-Person Singular 9.8% (9.0%, 10.7%) 5.0% 1.49*** 8.7% 0.35**
Affect Language 4.2% (3.6%, 4.8%) 5.6% 0.65*** 4.8% 0.27*
 Positive 2.1% (1.7%, 2.5%) 3.7% 1.16*** 2.6% 0.34*
 Negative 2.1% (1.7%, 2.4%) 1.8% 0.18 2.1% 0.04

Note. General database mean and expressive writing database mean data are from the LIWC 2015 handbook (Pennebaker et al. 2015). Effect size estimates are Cohen’s d from a one-sample t-test relative to sample mean data.

*

p < .05;

**

p < .01;

***

p < .001