Table 1. Means (and Standard Deviations) for Average Observer and Teacher Ratings, Parent Ratings, and [Cronbach’s alphas] for Middle-Income and Lower-Income Groups of Children.

Scale	Observer Avg.	Teacher Avg.	Parent	Observer Avg.	Teacher Avg.	Parent
		Middle-Income			Lower-Income
CTRS Hyp.	3.58 (3.45) [.88]	4.80 (4.71) [.94]	6.52 (4.13) [.84]	2.91 (3.04) [.87]	5.89 (4.80) [.89]	6.82 (4.68) [.85]
CTRS Con.	1.91 (2.62) [.87]	4.23 (4.14) [91]	7.16 (4.04) [.81]	1.66 (2.27) [.79]	5.60 (4.79) [.90]	7.60 (5.32) [.87]
CTRS Att.	2.99 (2.39) [.74]	4.68 (4.07) [.88]	5.12 (3.36) [.76]	2.64 (2.20) [.71]	6.13 (4.36) [.86]	5.75 (4.82) [.87]
EASI Emo.	2.95 (2.26) [.71]	4.78 (3.16) [.73]	7.16 (3.48) [.72]	2.96 (2.27) [.65]	5.93 (3.31) [.64]	8.05 (3.96) [.62]
EASI Act.	6.27 (3.80) [.81]	7.51 (4.06) [.82]	10.85 (4.01) [.74]	5.50 (3.44) [.76]	7.35 (3.57) [.63]	10.56 (3.99) [.61]
EASI Soc.	12.47 (2.39) [.47]	13.27 (2.16) [.25]	12.98 (2.36) [.36]	12.31 (2.35) [.47]	12.84 (2.31) [.11]	12.20 (2.94) [.37]
EASI Imp.	5.06 (3.55) [.83]	5.87 (4.18) [.86]	8.33 (3.49) [.77]	4.62 (3.19) [.82]	7.32 (3.15) [.58]	8.99 (3.55) [.55]

Note. CTRS Total score ranges 0-69; Attn. and Con. subscales range 0-24; Hyp. subscale ranges 0 -21. EASI subscale range 0-20. Alpha statistics are for pooled individual observers and teachers. CTRS = Conners Teacher Rating Scale; EASI = Emotionality Activity Sociability Impulsivity Temperament Survey; Act. = Activity; Att. = Inattention; Con. = Conduct Problems; Emo. = Emotionality; Hyp. = Hyperactivity; Imp. = Impulsivity; Soc. = Sociability. Avg. = Average.