Table 2: CAARS-S:L Clinical Scale Scores and Effect Sizes by Instruction Set.

	HON (n = 46) M (SD)	ADHD (n = 27) M (SD)	FGN (n = 66) M (SD)	F (N = 139)	ADHD v. FGN d
Inatt./Mem. (T)	48.72 (7.15)^a	67.52 (9.38)^b	68.42 (9.12)^b	79.24**	0.10
Hyper./Rest. (T)	47.98 (7.52)^a	64.93 (5.74)^b	65.18 (7.79)^b	83.62**	0.04
Impuls./Emot. (T)	44.37 (7.96)^a	57.85 (10.70)^b	64.85 (11.13)^c	55.90**	0.64
Self-Concept (T)	48.33 (8.25)^a	54.89 (11.50)^b	54.88 (8.34)^b	8.16**	0.00
DSM-IV: Inatt. (T)	52.04 (8.10)^a	76.48 (7.51)^b	76.58 (11.04)^b	101.75**	0.01
DSM-IV: Hyp.-Imp. (T)	45.67 (7.00)^a	67.85 (8.67)^b	69.95 (11.10)^b	96.84**	0.20
DSM-IV: Total ADHD Symp. (T)	49.04 (7.81)^a	75.85 (6.43)^b	77.02 (11.82)^b	124.04**	0.11
ADHD Index (T)	45.78 (7.26)^a	63.19 (8.11)^b	66.00 (9.27)^b	82.58**	0.32

Note. CAARS-S:L = Conners’ Adult ADHD Rating Scale–Self-Report: Long Version; HON = honest; ADHD = Attention-deficit/hyperactivity disorder; FGN = feigning; d = Cohen’s d effect size; M = mean; SD = standard deviation; T = T-score; Inatt./Mem. = Inattention/Memory Problems; Hyper./Rest. = Hyperactivity/Restlessness; Impuls./Emot. = Impulsivity/Emotional Lability; Self-Concept = Problems with Self-Concept; DSM-IV: Inatt. = DSM-IV: Inattentive Symptoms; DSM-IV: Hyp.-Imp. = DSM-IV: Hyperactive-Impulsive Symptoms; Total ADHD Symp. = DSM-IV: ADHD Symptoms Total; ADHD Index = ADHD Index.

* p < .01.

** p < .001.

^abcWithin each row, columns with different letters are statistically significantly (p < .01) different from each other using Games-Howell follow-up contrasts.