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Table 2 Means and Standard Deviations (SD) of k value

From: Working memory and decision making in children with ADHD: an analysis of delay discounting with the use of the dual-task paradigm

Time Groups Memory Load
Zero Half Full
M SD M SD M SD
1 week ADHD .1.56*** .950 3.41*** 1.48 4.36*** .766
Control .000 .000 .365 1.01 .365 1.30
1 month ADHD .485** .404 .752*** .428 1.16*** .221
Control .124 .207 .166 .274 .312 .410
6 months ADHD .132* .055 .145** .045 .172** .041
Control .066 .086 .069 .080 .089 .084
1 year ADHD .075 .029 .085 .023 .080 .030
Control .080 .037 .077 .036 .086 .028
  1. * p < .05, ** p < .005, *** p < .001 using t-test on the differences between groups, equal variance not assumed