Research Article

A Chan Dietary Intervention Enhances Executive Functions and Anterior Cingulate Activity in Autism Spectrum Disorders: A Randomized Controlled Trial

Table 3

Mean performance in executive functioning of the control and experimental low-functioning subgroups at before and after one-month period.

Control Group ( ) valueEffect sizeExperimental Group ( ) valueEffect size
BeforeAfterBeforeAfter

Mental Flexibility
 FPT: unique design11.00
(6.99)
11.67
(4.80)
0.3530.1634.60
(4.34)
8.80
(6.18)
0.0840.752+
 CCTT-T2: time#112.34
(89.16)
71.88
(41.88)
0.0980.695+184.25
(98.48)
110.27
(56.28)
0.032*1.448++
Response Inhibition
 D2: commission#26.00
(33.11)
23.67
(34.06)
0.3840.12843.33
(56.01)
31.33
(49.07)
0.049*1.710++
Planning
 ToC: achievement score5.29
(2.43)
4.86
(3.34)
0.3090.1993.75
(2.36)
5.75
(4.27)
0.2280.426

FPT: five-point test; D2: D2 Test of Attention; CCTT-T2: time: total completion time in trial 2 of the Children’s Color Trails Test; ToC: Tower of California Test. Standard deviations are in parenthesis. #Lower value indicates better performance; * ; +medium effect size, ++large effect size.