Dorien Bangma

180 | CHAPTER 7 -1 0 1 2 Appendix 7-4. Performances on FDM tests of adults with ADHD (n = 48) and healthy controls (n = 85), including students (n = 37). FDM tests ADHD M (SD) Healthy controls M (SD) t p-value d (99%CI) FCAI total 95.56 (10.27) 111.86 (10.67) 8.57 < .001* Financial abilities 23.71 (4.33) 29.71 (4.48) 7.50 < .001* Financial judgment 20.73 (4.61) 25.66 (4.41) 6.10 < .001* Financial management 16.42 (2.79) 18.35 (2.47) 4.15 < .001* Financial cognitive functioning 22.02 (1.64) 22.91 (2.16) 2.45 .015 Debt management 2.56 (1.24) 3.05 (0.83) 2.79 .008* Financial support resources 10.13 (2.61) 12.19 (2.60) 4.39 < .001* FDMI total 16.33 (2.46) 18.25 (1.66) 5.34 < .001* Identification 3.17 (0.93) 3.62 (0.62) 3.05 .003* Understanding 2.88 (0.89) 3.64 (0.60) 5.29 < .001* Reasoning 3.50 (0.83) 3.79 (0.44) 2.25 .028 Appreciating 3.08 (0.94) 3.38 (0.76) 1.96 .052 Communication 3.71 (0.65) 3.82 (0.47) 1.08 .284 FDS rational 17.49 (4.69) 18.71 (3.11) 1.57 .122 FDS intuitive 15.00 (3.93) 15.08 (3.36) 0.13 .900 FDS dependent 15.82 (4.63) 16.92 (3.54) 1.51 .135 FDS avoidant 15.29 (5.14) 11.51 (4.64) -4.24 < .001* FDS spontaneous 11.54 (3.66) 8.79 (2.90) -4.42 < .001* CDR total 7.01 (2.00) 7.55 (2.05) 1.48 .141 TDT total 75.63 (18.59) 87.24 (11.07) 4.62 < .001* IBQ total 65.65 (12.32) 59.94 (9.18) -2.77 .007* Cognitive component 38.45 (6.71) 33.65 (4.92) -4.12 < .001* Affective component 28.03 (6.26) 26.29 (5.09) -1.61 .110 Situational component 9.72 (1.79) 9.87 (1.45) 0.53 .595 IGT total 15.04 (40.61) 14.00 (36.02) -0.15 .880 Note. ADHD = attention-deficit/hyperactivity disorder; CDR = Competence in Decision Rules; CI = Confidence Interval; FCAI = Financial Competence Assessment Inventory; FDMI = Financial Decision-Making Interview; FDS = Financial Decision Style questionnaire; IBQ = Impulsive Buying Questionnaire; IGT = Iowa Gambling Task; TDT = Temporal Discounting Task. * p < .01.