@article {10.3262/UW0804365, 
	author = "Schmidt-Weigand, Florian AND Franke-Braun, Gudrun AND Hänze, Martin",
	title = "Erhöhen gestufte Lernhilfen die Effektivität von Lösungsbeispielen?",
	journal = "Unterrichtswissenschaft",
	ISSN = "0340-4099",
	year = "2008",
	number = "4",
	pages = "365-384",
	doi = "10.3262/UW0804365",
	url = "https://content-select.com/index.php?id=bib_view&doi=10.3262%2FUW0804365",
	publisher = "Beltz Juventa",
	language = "",
}