Table 7.

Mean differences between the CDI-III-PT scores collected from parents and from preschool teachers.

Variable	Mean	Std. deviation	t(22)	p	Cohen's d
Vocabulary—total
Parental reports	69.43	37.90	1.802	0.085	0.38
Preschool teachers' reports	56.96	40.46
Vocabulary—body parts
Parental reports	14.39	7.86	0.222	0.827	0.05
Preschool teachers' reports	14.04	9.27
Vocabulary—food
Parental reports	15.26	8.79	1.024	0.317	0.21
Preschool teachers' reports	13.26	10.43
Vocabulary—mental terms
Parental reports	20.74	12.82	2.179	0.040	0.45
Preschool teachers' reports	16.04	12.26
Vocabulary—emotions
Parental reports	19.04	11.03	2.694	0.013	0.56
Preschool teachers' reports	13.70	9.29
Syntax
Parental reports	17.78	5.59	2.494	0.021	0.52
Preschool teachers' reports	14.83	6.97