Table 1: Descriptive characteristics of the children with autism spectrum disorders.

Number of children

Gender
 Males20
 Females7
Age6.3 years ± 3.23
Cognitive impairment
 None 24
 Mild3
 Moderate0
 Severe0
Verbal ability
 Fluent communicative speech12
 Speech with communicative
 sentences but frequent echolalia
7
 A few communicative sentences4
 A few words4
 Nonverbal expression0