Table 6 Associations between mean positive affect scores (PA), gratitude (GQ-6), self-esteem (SE), and optimism (LOT-R) and “good day” evaluations (GD), estimated using hierarchical linear modeling based on the experience sampling data collected over the course of 4 weeks (N = 65). Statistically significant results (p < .05) are highlighted in boldface. pm: person-mean centered variables; gm: grand-mean centered variables

Fixed effects

PA (pm)

0.899^*** (0.044)

[0.811, 0.986]

20.561

 < .001

PA (gm)

0.856^*** (0.083)

[0.690, 1.023]

10.291

 < .001

GQ-6 (gm)

-0.003 (0.010)

[-0.023, 0.017]

-0.305

.761

SE (gm)

0.026^* (0.011)

[0.004, 0.048]

2.323

.024

LOT-R (gm)

-0.034 (0.018)

[-0.070, 0.003]

-1.854

.069

PA * GQ-6

0.037^*** (0.010)

[0.017, 0.056]

3.833

 < .001

PA * SE

-0.016^* (0.007)

[-0.030, -0.002]

-2.319

.024

PA * LOT-R

0.004 (0.016)

[-0.028, 0.035]

0.236

.814

σ²

df

χ²

p

Random effects

Intercept

0.153^***

60

454.370

 < .001

PA

0.023^*

61

85.069

.023