Reading instruction ; Spracherwerb (Schriftsprache) ; Language acquisition (written language) ; Kindersprache (Schriftsprache) ; Child language (written language) ; Schrifterwerb (psycholing.) ; Written language acquisition (psycholing.) ; Lexikalischer Zugriff; Lexical decision; Lexical access; Word recognition ; Sprachentwicklungsverzögerung; Language delay ; Kindersprache (Sprachgedächtnis) ; Children's verbal memory; Verbal memory in children ; Kindersprache (Sprachverständnis) ; Children's comprehension of language; Language comprehension in children ; Language intervention; Children (speech therapy with) ; Speech therapy for children ; Swedish