Table 5.
Outcome | B-then-B | B-then-M | Effect Size |
---|---|---|---|
Classroom rule violations per hour* | 6.6 [5.1, 8.6] | 9.4 [7.5, 11.7] | IRR = 1.41 |
Out-of-class disciplinary events per school year† | 3.2 [1.2, 8.3] | 1.0 [0.4, 2.7] | IRR = 0.30 |
Teacher DBD—ADHD | 1.28 (.65) | 1.00 (.65) | d = 0.44 |
Teacher DBD—ODD | 0.63 (.60) | 0.52 (.49) | d = 0.19 |
Teacher SSRS Social Skills Total Score | 32.0 (9.6) | 35.0 (9.1) | d = 0.31 |
Parent DBD—ADHD | 1.60 (.66) | 1.43 (.63) | d = 0.26 |
Parent DBD—ODD† | 1.20 (.69) | 0.90 (.59) | d = 0.45 |
Parent SSRS Social Skills Total Score | 41.8 (9.1) | 44.4 (11.2) | d = 0.26 |
Note. B-then-B=began with behavioral treatment and then received higher dose behavioral treatment, B-then-M=began with behavioral treatment then added medication treatment, IRR=incidence rate ratio, DBD=Disruptive Behavior Disorders Rating Scale (scores are average scale scores, range 0–3), ADHD=attention deficit hyperactivity disorder, ODD=Oppositional defiant disorder, SSRS=Social Skills Rating Scale. Values are means with standard deviations in parentheses (for continuous outcomes) or asymmetric 95% confidence intervals about the mean (for count outcomes). The IRR is the ratio of the event (e.g., rule violation) incidence rate in one group (here, B-then-M) to the incidence rate in another group (here, B-then-B). The other effect sizes are Cohen’s D with pooled standard deviation (equations 2.5.1 and 2.5.2, pp. 66–67, Cohen, 1988), and are listed such that a positive d reflects an advantage of B-then-M.
p<0.10,
p<0.05.