Table 5.

Summary of outcome measures.

	Standardized	Non-standardized
Expressive vocabulary	Best, 2005; Motsch and Marks, 2015; Parsons et al., 2005; Wing, 1990	Ardanouy et al., 2023; Best, 2005; Best et al., 2018, 2021; Lowman and Dressler, 2016; Marks and Stokes, 2010; Nash and Donaldson, 2005; Smeets et al., 2014 (Study 1 & 2); Steele et al., 2013; Storkel et al., 2019; Wright, 1993; Zens et al., 2009
Receptive vocabulary	Best, 2005; Parsons et al., 2005	Lowman and Dressler, 2016; Marks and Stokes, 2010; Nash and Donaldson, 2005; Parsons et al., 2005
Phonological awareness		Zens et al., 2009
Syntax	Motsch and Marks, 2015	Lowman and Dressler, 2016
Literacy & numeracy		Best, 2005