“…The opportunities usually given to students with learning disabilities are not enough for them to consolidate letter-sound knowledge, to develop effective spelling, decoding and reading fluency ( Schaars et al, 2017 ; Duke and Mesmer, 2019 ). In this sense, international research has invested in the development and assessment of the impact of intervention projects that inform the educational practice, promoting the educational success of first graders ( Niedo et al, 2014 ; López-escribano et al, 2014 ; Nagler et al, 2015 ; Shannon et al, 2015 ; Snellings et al, 2015 ; Alber-Morgan et al, 2016 ; Ardoin et al, 2016 ; Hollands et al, 2016 ; Schneider et al, 2016 ; Horne, 2017 ; Madden and Slavin, 2017 ; Messer and Nash, 2017 ; Moser et al, 2017 ; Rosas et al, 2017 ; van de Ven et al, 2017 ; Solheim et al, 2018 ; Jamshidifarsani et al, 2019 ; Martens et al, 2019 ; Volkmer et al, 2019 ).…”