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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: J Abnorm Child Psychol. 2013 Feb;41(2):199–210. doi: 10.1007/s10802-012-9670-3

Table 1.

Descriptive Statistics

Measure (reporter) Time 1
Mean (SD)
Time 2
Mean (SD)
Time 3
Mean (SD)
Time 4
Mean (SD)
Time 5
Mean (SD)
Time 6
Mean (SD)
PPI Negative (child) 13.72 (7.39) 11.16 (5.93) 10.61 (5.84) 10.73 (5.43) 10.61 (5.71) 10.80 (6.76)
APQ Inconsistent Discipline (parent) 16.02 (3.74) 14.39 (4.07) 14.40 (4.06) 14.69 (3.65) 14.47 (4.00) 14.42 (3.64)
APQ Poor Monitoring (parent) 15.79 (5.48) 14.87 (5.08) 14.82 (4.54) 15.34 (5.18) 16.16 (5.51) 17.25 (5.78)
APQ Corporal Punishment (parent) 6.24 (2.14) 5.17 (1.92) 5.33 (2.08) 5.11 (1.97) 5.03 (2.08) 4.74 (1.91)
TRF Externalizing t-scores (teacher) 68.98 (11.15) 63.84 (11.53) 63.87 (11.71) 62.88 (11.21) 62.09 (11.13) 61.90 (9.67)
CBCL Externalizing t-scores (parent) 71.27 (7.61) 63.79 (9.95) 63.55 (10.88) 62.34 (10.46) 62.48 (10.36) 61.71 (11.25)

Note. APQ = Alabama Parenting Questionnaire; CBCL = Child Behavior Checklist; PPI = Parent Perception Inventory; TRF = Teacher Report Form. Standardized T scores are reported for the TRF and CBCL.