RT Journal Article SR Electronic A1 Hrabí, Libuše T1 Evaluation of the text difficulties of biology textbooks for the eighth year of the primary education by two methods JF e-Pedagogium YR 2004 VO 4 IS 1 SP 29 OP 38 UL https://e-pedagogium.upol.cz/en/artkey/epd-200401-0004.php AB This article contains knowledge about evaluation of the text difficulties of 5 actual Czech biology textbooks for the eighth year of the primary education. Two methods were implemented. One of them was realized according to NESTLER-PRŮCHA-PLUSKAL and the next one according to PRŮCHA. Similar results of the text difficulties were obtained by both methods - from 34,62 points to 33,97 points. Lower variability of the text difficulties and syntactic factor were achieved by method NESTLER-PRŮCHA-PLUSKAL. The most difficult is the textbook of the FORTUNA publishing company, and the textbook of the SCIENTIA publishing company is not as difficult as the others.