Skip to main content

Table 1 The total number of participants were 431. Mean age was 62 months. The SEMLA group had a larger proportion of multilingual children than the other intervention groups. SES was generally high in the sample but differed significantly between intervention groups. A majority of children lived in two-parent households. Weekly preschool attendance was generally high and significantly higher in control than in SEMLA

From: A randomized controlled trial to examine the effect of two teaching methods on preschool children’s language and communication, executive functions, socioemotional comprehension, and early math skills

  SEMLA DIL Control
Children, n = 431 137a 155a 139a
Child characteristics
 % boy, n = 431 54 47 46
 Mean age in months (SD), n = 417 62 (6) 61 (7) 63 (7)
 % multilingual, n = 431 53 27 22
Family characteristics
 SES, median, n = 393 7 8 9
 % two-parent household, n = 431 89 88 91
Preschool attendance
 Mean age at preschool start (SD),  n = 411 18 (9) 18 (6) 17 (5)
 Mean preschool hours/week (SD),  n = 370 37 (7) 37 (6) 39 (6)
  1. a. Note: The uneven group sizes arose because preschool units have different sizes