Table 2.
Content characteristics in Study 1 and 2 assessed manually by rater (top) and with Linguistic Inquiry Word Count (LIWC) software (bottom).
| Study 1 | Study 2 | Study 1–Study 2 differences | ||||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Median | Mean | SD | Median | Significance test | P-value | |
| Thought Content: Manual ratings | ||||||||
| % Internal | 73% | 17% | 74% | 74% | 20% | 76% | W = 674 | 0.88 |
| % External / Perceptually-coupled | 24% | 15% | 23% | 23% | 19% | 21% | W = 727.50 | 0.69 |
| % Interoceptive | 3% | 3% | 1% | 3% | 4% | 1% | W = 683.50 | 0.96 |
| % Past | 17% | 11% | 17% | 17% | 15% | 12% | W = 782.50 | 0.33 |
| % Present | 50% | 21% | 50% | 45% | 22% | 44% | W = 755.50 | 0.48 |
| % Future | 21% | 18% | 17% | 27% | 15% | 25% | W = 519 | 0.076 |
| % Atemporal | 12% | 10% | 10% | 11% | 12% | 8% | W = 776 | 0.36 |
| Valence (-5 to 5 scale) | − 0.15 | 0.47 | − .0.16 | − 0.18 | 0.81 | − 0.09 | t = 0.20 | 0.84 |
| Self-focus (0 to 4 scale) | 2.18 | 0.72 | 2.13 | 2.18 | 0.61 | 2.21 | t = − .0.05 | 0.96 |
| Thought Content: Linguistic analysis with LIWC | ||||||||
| % Use of personal pronoun “I” | 9.72 | 2.74 | 9.55 | 9.75 | 2.78 | 9.93 | t = − .0.05 | 0.96 |
| % Positive emotion words | 2.63 | 1.19 | 2.46 | 3.09 | 1.44 | 2.81 | t = − 1.50 | 0.14 |
| % Negative emotion words | 1.78 | 1.06 | 1.71 | 1.75 | .96 | 1.52 | t = .0.10 | 0.92 |
| % Past-related words | 3.41 | 1.31 | 3.49 | 3.04 | 1.2 | 2.89 | t = 1.23 | 0.23 |
Statistical differences between Study 1 and 2 were evaluated with a two-tailed Welch t-test for normally distributed variables and a Wilcoxon rank-sum test for non-normally distributed variables. MNW Mean Number of Words.