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Table 1 Demographic Characteristics and Assessment of the Sample

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

 

ADHD Group (n = 16; M:F = 12:4)

Control Group (n = 16; M:F = 12:4)

Comparison between Groups

Variable

Mean

SD

Full Range

Mean

SD

Full Range

t

df

p

Age (years)

8.75

.45

8–9

8.63

.62

8–10

.655

30.0

.518

IQ

99.8

6.3

93–110

102.2

4.2

96–113

1.29

30.0

.208

SDAI-H*

16.0

1.5

14–19

.188

.750

0–3

38.5

22.4

<.001**

SDAI-I*

16.7

.9

15–18

.000

.000

0–0

70.5

15.0

<.001**

Time*

15.6

.5

15–16

15.8

.4

15–16

1.17

28.7

.252

Money*

15.7

.5

15–16

15.9

.3

15–16

1.19

22.6

.077

Memory Span

5.56

1.03

4–8

5.57

.78

5–7

.582

30.0

.565

Half Memory Load

2.63

.61

2–4

2.63

.50

2–3

.000

30,0

1.00

  1. * Equal Variance Not Assumed, Signifcant Levene’s Test of Equality of Variances
  2. ** The different is significant with alpha < .05
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BMC Psychiatry

ISSN: 1471-244X

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