A randomised controlled feasibility study of interpersonal art psychotherapy for the treatment of aggression in people with intellectual disabilities in secure care

Table 2 Descriptive statistics for baseline and post-test difference and effect size estimates

M mean, SD standard deviation, Mdn median, IQR interquartile range, MDiff mean difference, No number, ES effect size estimate, SE standard error, CI confidence interval, MOAS Modified Overt Aggression Scale, BSI Brief Symptom Inventory, NAS Novaco Anger Scale, GAS Glasgow Anxiety Scale, ICECAP-A ICEpop CAPability measure for Adults, Effect Size CC 95% (d_Cohen calculation according to Hedges & Olkin, 1985, p. 86)

ISSN: 2055-5784