Provalis Research Software

Software für die Analyse von numerischen Daten und Texten zum günstigen Preis

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Features of TextQuest/ReFo

TextQuest/ReFo has features that other software/apps don't have: 

• supports many languages: English, French, Spanish, German, Dutch, Danish, Swedish, Polish, Turkish, Icelandic, Norwegian
• selects the correct formula(s) according to language, reader, and text
• text can be of any size because all formulas are standardized
• abbrevation lists for each language enlighten the preparation of the text
• based on readability formulas described in the original paper(s)

The user can select language, text genre, and reader: TextQuest/ReFo selects the appropriate formula(s), computes the results, and shows the interpretation. The results are dependent on the formula:

• index value: it shows how difficult a text is, mostly values between 0 and 100. The higher the value is the more understandable the text is.
• reader's age: the minimum age of a reader who understands the text.
• reader's grade: the minimum grade of a reader who understands the text. The grade mostly relates to the school ssystem of the USA.

TextQuest/ReFo shows the results in a different window and provides information how to interpret the results.

The readability analysis in TextQuest is based on formulas. These are most based on the two variables that explain the most variance of reading behaviour (comprehension or speed): the sentence length and the word length.

Currently 68 formulas for 7 languages are implemented. The results of the formulas are:

• index value: 0 (difficult) up to 100 (very easy)
• reading grade: school class
• reading age: in years

The following formulas are currently implemented:

• Englisch: 31 formulas
  1. ARI: Smith/Kincaid 1970 reading grade and reading age
  2. CM1, CM2: Coleman 1965
  3. CLF: Coleman-Liau 1975
  4. DC: Dale-Chall 1948
  5. NDC: New Dale-Chall: Powers u.a. 1958
  6. DB1: Danielson/Bryan 1963
  7. DB2: Danielson/Bryan 1963
  8. EFLAW: McAlpine 1997
  9. FK: Flesch-Kincaid 1953 reading grade and reading age
  10. FOG: Gunning 1952
  11. FC: Forcast 1973 reading grade and reading age
  12. Fry 1968
  13. LIX: Björnsson 1968
  14. LW: Linsear Write
  15. Reading Ease Index (REI): Flesch 1948
  16. Modified Reading Ease Index (MREI): Powers 1958
  17. New Reading Ease Index (NREI): Farr, Jenkins, Paterson 1951
  18. Modified new reading ease index (MNREI): Powers 1958
  19. PSK: Powers, Sumner, Kearl 1958 reading grade and reading age
  20. RIX: Andersson 1983
  21. SMOG: McLaughlin 1969 reading grade and reading age
  22. SMOG2-G: McLaughlin 1969
  23. Spache 1953 and 1978
  24. WSI: Wheeler-Smith 1954
• German: 21 formulas
  1. Amstad 1978
  2. Dickes-Steiwer 1977
  3. Fucks 1955
  4. Fasse dich kurz (Schirm 1972)
  5. LIX for German prose and non-fictional text
  6. RIX for German prose and non-fictional text
  7. SMOG for German
  8. Wheel-Smith-Index for German - Bamberger, Vanecek 1984
  9. QU: Bamberger, Vanecek 1984
  10. Tränkle, Bailer 1984
  11. Tränkle, Bailer 1984
  12. Text-Redundanz-Index Kuntzsch 1981
  13. 4 Vienna non-fiction formulas (Wiener Sachtextformeln) Bamberger, Vanecek 1984
  14. 3 Vienna fiction formulas (Wiener Literaturtextformeln) Bamberger, Vanecek 1984
• Spanish
  1. Childrens Spanish Reading Index Crawford 1984
  2. Huerta 1959
  3. Gutierrez 1972
• Dutch, Afrikaans
  1. Brouwer 1963
  2. Dourma 1960
  3. Staphorsius and Krom 1985
• French: Kandel and Moles 1958 not implemented
• Danish, Icelandic, Norwegian, Swedish, Dutch, German: LIX: Björnsson 1968, 1983
• Italian: Vacca 1972, 1986, Gulpease
• Polish
• Turkish

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