. Author manuscript; available in PMC: 2020 Dec 7.

Published in final edited form as: J Abnorm Child Psychol. 2020 Mar;48(3):361–373. doi: 10.1007/s10802-019-00593-8

Table 2.

Self-assessment manikin (SAM) scores across task conditions for Attention-Deficit/Hyperactivity Disorder (ADHD) and typically developing (TD) groups

Variable (mean, SD)	TD (n = 99)	ADHD (n = 160)	F(1,258)	η_p²<
SAM Valence/Pleasure
Picture Baseline 1	3.34, 0.73	3.40, 0.84	0.92	0.01
Negative Induction	2.95, 1.28	2.82, 1.51	0.03	0.01
Negative Suppression	2.12, 1.18	2.06, 1.26	0.01	0.01
Picture Baseline 2	3.26, 0.61	3.35, 0.86	2.64	0.02
Positive Induction	4.69, 0.72	4.67, 0.83	0.18	0.01
Positive Suppression	4.40, 0.95	4.40, 1.09	0.04	0.01
SAM Intensity/Arousal
Picture Baseline 1	2.64, 0.85	2.56, 0.95	0.01	0.01
Negative Induction	3.31, 1.28	3.33, 1.54	1.83	0.01
Negative Suppression	2.64, 1.34	2.70, 1.43	0.80	0.01
Picture Baseline 2	2.80, 0.79	2.68, 1.00	0.77	0.01
Positive Induction	3.50, 1.41	3.21, 1.72	0.49	0.01
Positive Suppression	3.71, 1.30	3.44, 1.63	0.46	0.01

^***

indicates p < 0.001;

^**

indicates p < 0.01;

indicates p < 0.05;

SD = Standard Deviation; Covariates include youth’s biological sex and comorbidity (i.e., anxiety, CD, and ODD); Missing data handled via listwise deletion