Here are the definitions for the Reading 3D acronyms:

FSF - First Sound Fluency (segmenting first sound or sounds of a word; Teacher gives word, student tells first sound or sound, ex. Teacher says, “friend”; student says /f/ or /f/ /r/ or “fr”)

LNF- Letter Naming Fluency (correctly identifying letters by name)

PSF- Phoneme Segmentation Fluency (segmenting sounds in a word, “cat”= /c/ /a/ /t/)

NWF- Nonsense Word Fluency Correct Letter Sounds, CLS=decoding according to phonemes; “v”“u””s”=/v/ /u/ /s/ and Whole Words Read, WWR= blending the sounds into words, “vus”

DORF & RTF- Oral Reading Fluency and Retell Fluency (words per minute, accuracy, retelling)

DAZE -DIBELS MAZE (Students read a passage and select words to fill in blanks)

TRC -Text Reading Comprehension (reading continuous text-teacher records errors, checks comprehension with retelling, oral comprehension questions and written comp. questions)

WR -Word Recognition—(sight words)