Table 4 Summary of hierarchical multiple regressions (N = 71) individually testing the incremental validity of Gratitude (GQ-6), Self-Esteem (SE) and Optimism (LOT-R) in predicting PWBS, SWLS and SHS scores (Step 2), controlling for NEO-FFI personality factors (Step 1). The statistical significance of each ∆R² is indicated by p

GQ-6

PWBS

Autonomy

.300

5.577^***

.301

4.603^***

.001

.113

.738

Env. Mastery

.604

19.831^***

.607

19.494^***

.003

.528

.470

Pers. Growth

.602

19.670^***

.624

17.697^***

.022

3.717

.058

Pos. Rel. Others

.575

17.557^***

.617

17.182^***

.042

7.087^*

.010

Purpose in Life

.340

6.707^***

.392

6.885^***

.052

5.468^*

.023

Self-Acceptance

.593

18.972^***

.612

16.482^***

.019

3.111

.083

SWLS

.455

10.868^***

.472

9.546^***

.017

2.055

.157

SHS

.408

8.972^***

.487

10.130^***

.079

9.826^**

.003

SE

PWBS

Autonomy

.300

5.577^***

.305

4.679^***

.005

.434

.513

Env. Mastery

.604

19.831^***

.613

16.870^***

.009

1.420

.238

Pers. Growth

.602

19.670^***

.640

18.930^***

.038

6.661^*

.012

Pos. Rel. Others

.575

17.557^***

.612

16.794^***

.037

6.097^*

.016

Purpose in Life

.340

6.707^***

.356

5.901^***

.016

1.574

.214

Self-Acceptance

.593

18.972^***

.778

37.337^***

.184

53.110^***

 < .001

SWLS

.455

10.868^***

.553

13.205^***

.098

14.011^***

 < .001

SHS

.408

8.972^***

.577

14.554^***

.169

25.534^***

 < .001

LOT-R

PWBS

Autonomy

.300

5.577^***

.308

4.739^***

.007

.683

.412

Env. Mastery

.604

19.831^***

.604

16.277^***

.000

.012

.913

Pers. Growth

.602

19.670^***

.606

16.392^***

.004

.601

.441

Pos. Rel. Others

.575

17.557^***

.575

14.446^***

.001

.104

.749

Purpose in Life

.340

6.707^***

.356

5.899^***

.016

1.564

.216

Self-Acceptance

.593

18.972^***

.626

17.853^***

.033

5.577^*

.021

SWLS

.455

10.868^***

.461

9.141^***

.006

.731

.396

SHS

.408

8.972^***

.457

8.962^***

.048

5.682^*

.020