Development and initial evaluation of a smartphone application based on acceptance and commitment therapy

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Table 1 Outcome measures

	M (SD) Pretest	M (SD) posttest	Paired t-test^a	Effect sizes^b
EVS	17.73 (3.35)	19.91 (2.51)	t₍₁₀₎ = −2.87*	d = −0.77
AQ-II	50.18 (9.90)	54.27 (7.16)	t₍₁₀₎ = −3.06*	d = −0.50
WLS	24.18 (4.85)	24.73 (5.57)	t₍₁₀₎ = −0.42 NS	d = −0.11
DASS-d	4.09 (6.04)	2.45 (2.11)	t₍₁₀₎ = 1.15 NS	d = 0.38
ASS-a	2.45 (5.56)	1.36 (2.29)	t₍₁₀₎ = 1.08 NS	d = 0.27
ASS-s	6.09 (4.18)	5.18 (2.86)	t₍₁₀₎ = 0.78 NS	d = 0.27

Note. N = 11; BEVS = Bull’s Eye Value Survey; AAQ-II = Acceptance and Action Questionnaire II; SWLS = Satisfaction With Life Scale; DASS-d = Depressions subscale in Depression, Anxiety and Stress Scale; DASS-a = Anxiety subscale in Depression, Anxiety and Stress Scale; DASS-s = Stress subscale in Depression, Anxiety and Stress Scale.
^a = Dependent t-test.
^b = Cohen’s d.
*p <.05, **p <.01, ***p <.001, Ns = Not significant.