. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Cogn Affect Behav Neurosci. 2015 Dec;15(4):776–786. doi: 10.3758/s13415-015-0365-4

Table 1.

Demographics, ABM Bias Scores, and Flanker Task Behavior

	Group
	ABM-before (n = 29)	ABM-after (n = 26)	t or χ²
Demographics
Age (years)	20.59 (6.38)	18.93 (0.96)	t = 1.38
Sex (% Female)	48.1%	52.0%	χ² = 0.01
Ethnicity			χ ² = 4.24
Caucasian	44.8%	25.9%
Black	6.9%	3.7%
Hispanic	3.4%	14.8%
Asian	41.4%	48.1%
Other	3.4%	7.4%
DASS-Depression	2.34 (2.64)	3.65 (3.30)	t = −1.64
DASS-Anxiety	2.31 (2.11)	2.92 (2.70)	t = −0.94
DASS-Stress	4.45 (2.92)	4.54 (3.72)	t = −0.10
ABM Bias Scores
Average Bias (ms)
Positive	−26.56 (42.75)	−27.48 (34.21)	t = 0.09
Negative	−1.34 (34.47)	−3.45 (22.20)	t = 0.26
Change in Bias (β)
Positive	.19 (0.61)	.28 (0.66)	t = −0.49
Negative	.13 (0.76)	.23 (0.74)	t = −0.48
Flanker Task Behavior
Accuracy (%)	88.73 (3.72)	87.99 (4.62)	t = 0.66
Correct RT (ms)	387.63 (37.69)	394.44 (31.71)	t = −0.32
Error RT (ms)	326.17 (45.08)	329.56 (30.76)	t = −0.71

Note. Standard deviations are presented in parentheses. ABM = attention bias modification; DASS = Depression Anxiety Stress Scale; ms = milliseconds; RT = reaction time.