Experimental group

Control group

Pre-test comparisons

ANOVA’s

T1

M (SD)

N = 27

T2

M (SD)

N = 27

T3

M (SD)

N = 24

T1

M (SD)

N = 26

T2

M (SD)

N = 26

T3

M (SD)

N = 20

t(51)

p-value

T1 vs. T2

F(1, 51)

p-value

T1 vs. T3

F(1, 42)

p-value

RT (pos)

1131 (181)

941 (125)

/

1125 (144)

976 (155)

/

0.132

0.896

0.622

0.434

/

/

RT (neg)

1138 (201)

949 (105)

/

1128 (159)

971 (133)

/

0.203

0.840

0.555

0.460

/

/

Attentional bias

7.08 (137)

7.84 (86)

/

2.86 (114)

−4.28 (80)

/

0.121

0.904

−0.022

0.884

/

/

Positive affects

4.06 (0.71)

4.05 (0.60)

4.20 (0.71)

4.30 (0.86)

25.77 (4.30)

4.12 (0.86)

−1.081

0.285

0.017

0.897

1.847

0.181

Negative affects

2.70 (0.66)

2.45 (0.67)

2.70 (0.70)

2.39 (0.66)

2.35 (0.75)

2.34 (0.75)

1.730

0.090

1.028

0.315

0.006

0.938

Subjective happiness

4.66 (0.99)

4.81 (0.75)

4.93 (0.91)

4.88 (1.20)

4.97 (1.18)

5.03 (1.29)

−0.755

0.454

0.131

0.719

0.057

0.813

Satisfaction with life

5.05 (1.10)

5.28 (0.94)

5.33 (0.98)

4.93 (0.99)

5.14 (0.83)

4.59 (0.88)

0.207

0.837

0.233

0.631

0.002

0.966

Flourishing

5.61 (0.62)

5.55 (0.63)

5.49 (0.62)

5.61 (0.47)

5.56 (0.54)

5.53 (0.88)

0.004

0.997

0.010

0.922

0.319

0.575

Somatic complaints

1.71 (0.34)

1.52 (0.32)

1.61 (0.40)

1.86 (0.39)

1.69 (0.36)

1.72 (0.36)

−1.543

0.129

0.025

0.874

0.327

0.571

Optimism

2.06 (0.46)

2.16 (0.40)

2.18 (0.48)

2.08 (0.45)

2.12 (0.48)

2.14 (0.52)

−0.172

0.864

0.557

0.459

1.653

0.206

Positive thinking

4.56 (0.65)

4.79 (0.46)

4.82 (0.86)

4.53 (0.47)

4.80 (0.48)

4.82 (0.70)

0.197

0.845

0.059

0.809

0.016

0.900

Depression

2.06 (0.48)

1.89 (0.34)

1.99 (0.43)

2.20 (0.50)

1.86 (0.43)

1.93 (0.54)

−0.984

0.330

1.424

0.238

1.612

0.211