OSAT Reading Specialist (115)
OSAT Reading Specialist (115) is a trademark of its owner, which is not affiliated with and does not endorse Test Treasure Publication or TTP Prep.
OSAT Reading Specialist (115) is a trademark of its owner, which is not affiliated with and does not endorse Test Treasure Publication or TTP Prep.
10 sample questions for the OSAT Reading Specialist (115), with the correct answer and an explanation for each. No account needed. Try each one before you open the answer.
Sections covered on the exam: Instruction in Foundational Reading and Writing Skills, Instruction in Reading Comprehension and Writing, Assessment, Diagnosis, and Evaluation, Professional Knowledge, Roles, and Responsibilities.
Question 1 · Instruction in Foundational Reading and Writing Skills
Answer: B. Isolating and matching initial phonemes in spoken words, using picture cards and mouth cues
The student has mastered rhyme and syllable awareness but cannot yet isolate an initial phoneme, so the logical next step on the phonological continuum is initial-phoneme isolation and matching. Syllable deletion targets a level the student has already reached. Segmenting words with blends and substituting medial vowels are more advanced phoneme skills that skip the step the student is missing.
Question 2 · Instruction in Foundational Reading and Writing Skills
Answer: A. Identify the prefix and suffix, find the base, read each part, then blend the parts and check the word
A structured morphemic strategy breaks the word into meaningful, manageable units, then blends and checks the result, which makes long words decodable and often reveals meaning. Finding small words inside long words is unreliable because it ignores syllable and morpheme boundaries. Letter-by-letter blending overloads working memory in long words, and first-and-last-letter guessing does not build word reading.
Question 3 · Instruction in Reading Comprehension and Writing
Answer: B. Think and Search
Think and Search questions have answers that are in the text but must be gathered from more than one place and put together. Right There answers can be found in a single sentence or spot. Author and Me questions require combining text information with the reader's own knowledge, and On My Own questions can be answered without reading the text.
Question 4 · Instruction in Foundational Reading and Writing Skills
Answer: B. Explain that the score shows how a typical sixth grader would do on this third-grade test, not that sixth-grade text fits
A grade equivalent indicates how the student's raw score compares with the estimated median score of students at other grade levels on the same test; it does not show that the student has learned sixth-grade content or can handle sixth-grade text. Placing the student based on the score, even with a margin of one grade, repeats the misinterpretation. Above-grade grade equivalents are common and are not invalid, only easily misread.
Question 5 · Professional Knowledge, Roles, and Responsibilities
A reading specialist reviews data for Marcus, a fourth grader. On a measure of real-word and nonsense-word decoding he scores at the 62nd percentile, and his oral reading is accurate and fluent. When grade-level passages are read aloud to him, however, his retellings are thin, and his receptive vocabulary score is at the 14th percentile.
Answer: C. a specific language comprehension deficit with adequate word recognition
The Simple View holds that reading comprehension is the product of word recognition and language comprehension. Marcus decodes accurately and fluently, but weak listening comprehension and low vocabulary point to a language comprehension deficit. A mixed deficit or fluency problem is ruled out by his average decoding and fluent oral reading.
Question 6 · Instruction in Foundational Reading and Writing Skills
Answer: C. Phoneme segmentation, in which students say each sound in a spoken word
By midyear of first grade, phoneme-level skills such as segmenting every sound in a word are the strongest phonological predictors of reading, and screeners use phoneme segmentation at this point for that reason. Rhyme, syllable, and word-level tasks are earlier-developing skills that most first graders have mastered, so they produce ceiling effects and identify students less accurately.
Question 7 · Instruction in Foundational Reading and Writing Skills
Answer: D. A final consonant doubles before a vowel suffix only when the last syllable is stressed
Begin and forget are stressed on the final syllable, so the final consonant doubles, while open and visit are stressed on the first syllable, so it does not. The student is overapplying doubling without considering stress. Doubling does occur in some multisyllabic words, it is not triggered by every suffix, and bases ending in two consonants never double.
Question 8 · Instruction in Reading Comprehension and Writing
Honeybees pollinate about one-third of the crops people eat, including apples, almonds, and blueberries. In recent decades, beekeepers have reported losing large numbers of colonies each winter. Scientists point to several causes working together: parasites such as the varroa mite, pesticides that weaken bees' ability to navigate, and the loss of the wildflower habitat that bees rely on for varied nutrition. Some farmers are now planting strips of native flowers along field edges, and researchers are breeding bees that groom mites off one another. One beekeeper even plays music for her hives, though there is no evidence that it helps.
Answer: A. Honeybees, which pollinate many food crops, are dying off from several causes together, including mites, pesticides, and habitat loss, and people are trying solutions such as wildflower strips and mite-resistant bees.
An effective summary states the central idea and the key supporting points in the reader's own words while leaving out minor details, and only one response captures both the causes and the responses to bee losses. The response about crops and colony losses mostly copies the opening sentences and omits the causes and solutions. The music response elevates a trivial detail, and the pesticide response adds the student's opinion, which does not belong in a summary.
Question 9 · Instruction in Foundational Reading and Writing Skills
| Screener | Sensitivity | Specificity |
|---|---|---|
| A | 0.92 | 0.70 |
| B | 0.65 | 0.93 |
Answer: B. Screener A, because it misses fewer of the students who are truly at risk
A universal screener's main job is to find students who are at risk, so sensitivity matters most: Screener A's sensitivity of .92 means it identifies about 92 of every 100 at-risk students and misses 8, while Screener B misses about 35. Screener B does produce fewer false positives, but those students can be cleared with follow-up assessment, whereas missed students may go without help. Screener A actually produces more false positives because its specificity is lower.
Question 10 · Professional Knowledge, Roles, and Responsibilities
A sixth grader reads a grade-level passage with 97% accuracy but at 68 words correct per minute, sounding out many words part by part. When the same passage is read aloud to him, he answers comprehension questions well. When he reads it himself, his comprehension is poor.
Answer: D. Automaticity theory, because effortful decoding uses attention needed for comprehension
Automaticity theory holds that when word recognition is slow and effortful, it consumes attention that would otherwise go to comprehension. His strong listening comprehension of the same passage rules out a background-knowledge explanation. The gap between listening and reading performance points to a word-recognition efficiency problem, not interest or social factors.
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