Clarifying¶

Strategy · All strategies
Evidence · 2 claims (1 for, 1 mixed) · 8 studies (5 review, 2 causal, 1 theoretical), q1–q3 · 0 of 8 report an effect size

Description¶

Clarifying is the strategy of identifying and resolving points of uncertainty in a text or problem: unfamiliar vocabulary, complex sentence structures, and difficult concepts. In reading, learners learn to notice when comprehension breaks down and apply repair tactics (rereading, consulting a glossary, breaking down syntax). In mathematics, clarifying means identifying what facts are known, what the problem is asking, and what information is still needed before attempting a solution.

Design Implications¶

Clarifying functions as a comprehension-fostering, self-monitoring activity: it trains learners to detect the moment understanding fails and to have concrete repair procedures ready, rather than reading on with a degraded mental model Palincsar & Brown showed that explicit training in clarifying (within reciprocal teaching) produces large comprehension gains for struggling readers. [+S]. Its effectiveness depends on the clarifying supports being matched to the learner's knowledge state — heavy scaffolds like glossaries and simplified syntax help novices but can become redundant or distracting for more knowledgeable learners Guidance that helps novices can hinder learners with higher prior knowledge. [~S]. Pre-teaching critical vocabulary and simplifying syntax reduces extraneous load so working memory is spent on meaning-making rather than decoding Reducing unnecessary working-memory load improves learning. [+M].

Context¶

Requirements¶

• Access to clarifying resources: glossaries, dictionaries, online reference tools, or teacher-provided definitions
• Texts or problems worth clarifying — materials with identifiable high-leverage vocabulary and concepts
• A routine or prompt that cues learners to notice uncertainty (many struggling readers do not monitor comprehension spontaneously [+S])
• Modeling of clarifying moves by the instructor before learners use them independently

Constraints¶

• Learners with significant knowledge gaps may lack the background needed even for clarified text; glossaries cannot substitute for missing prior knowledge [~M]
• Over-reliance on external supports (dictionaries, simplified text) can prevent learners from developing independent repair strategies [-W]
• Pre-teaching too many vocabulary items dilutes attention; only high-utility, meaning-critical terms benefit Pre-teaching a small set of critical words supports comprehension; exhaustive pre-teaching does not. [~M]
• Simplified text that removes all challenge can reduce engagement and eliminate productive struggle [~W]

Implementation Variability¶

• Teacher-provided supports: glossaries, footnoted definitions, simplified syntax, pre-taught vocabulary
• Learner-generated clarifying: students mark confusing passages and apply repair strategies themselves (the reciprocal teaching form)
• Problem clarification: in math, structured prompts — "What do we know? What are we asked to find? What's missing?" — before solution attempts
• Peer clarifying: partners explain unfamiliar terms and structures to each other, which also benefits the explainer

Target Learners¶

• English Language Learners, who face compounded vocabulary and syntax demands [+M]
• Struggling readers and students with weak comprehension monitoring, who benefit most from explicit clarifying routines [+S]
• Novices encountering dense disciplinary texts or unfamiliar problem formats
• Less beneficial for advanced learners, for whom embedded glossaries and simplified syntax add redundancy Guidance that helps novices can hinder learners with higher prior knowledge. [~S]

Target Learning Goals¶

• Reading comprehension of complex or unfamiliar texts
• Vocabulary development, especially academic and disciplinary vocabulary
• Problem comprehension in mathematics: distinguishing knowns, unknowns, and required information
• Self-regulated comprehension monitoring — knowing when understanding has failed

Instructions¶

1. Model clarifying aloud: demonstrate noticing a breakdown point and applying a repair strategy (reread, break down the sentence, consult a resource) — Direct Instruction with Think-Aloud narration
2. Pre-teach or gloss critical vocabulary: select a small set of meaning-critical terms; provide definitions in learner-friendly language (Accessible Vocabulary & Syntax)
3. Simplify or scaffold syntax: break complex sentences into manageable units or provide a Graphic Organizer mapping the text or problem structure
4. Guide problem clarification: for math tasks, prompt learners to list known facts, the goal, and missing information before solving
5. Practice with fading: move from teacher-provided clarifications to student-identified ones, with Practice and Provide Feedback on the accuracy of clarifying moves

Related Strategies¶

• Activating Prior Knowledge — clarifying works best when learners have relevant background to connect clarified terms to
• Chunking — breaking text or problems into units is a core clarifying move for complex material

Related Elements¶

• Direct Instruction — explicit teaching of clarifying strategies and repair moves
• Practice — repeated application of clarifying routines until they are self-initiated
• Provide Feedback — corrective feedback on whether learners identified the right uncertainties and resolved them appropriately

Examples¶

• Reciprocal Teaching (Palincsar & Brown) — small reading groups rotate the "clarifier" role, with members raising and resolving confusing words, phrases, and ideas; one of the best-validated comprehension interventions [+S]
• WordSift (https://wordsift.org) — a free tool that identifies key vocabulary in a text and links terms to visual and semantic resources, supporting teacher preparation of clarifying supports
• Math problem-clarification routine — before solving, students complete a three-column chart (What do I know? / What am I asked to find? / What do I still need?), a structure used in cognitively guided instruction approaches
• Embedded glossaries in digital texts — platforms such as Newsela (https://newsela.com) offer leveled versions of the same article, allowing teachers to adjust syntax complexity per learner

Key Sources¶

• Palincsar, A. S., & Brown, A. L. (1984). Reciprocal teaching of comprehension-fostering and comprehension-monitoring activities. Cognition and Instruction, 1(2), 117-175. doi:10.1207/s1532690xci0102_1
• Beck, I. L., McKeown, M. G., & Kucan, L. (2013). Bringing Words to Life: Robust Vocabulary Instruction (2nd ed.). Guilford Press.
• Kalyuga, S., Ayres, P., Chandler, P., & Sweller, J. (2003). The expertise reversal effect. Educational Psychologist, 38(1), 23–31. doi:10.1207/S15326985EP3801_4
• Kintsch, W. (1998). Comprehension: A Paradigm for Cognition. Cambridge University Press.