Activate Background Knowledge¶

Strategy · All strategies
Evidence · 4 claims (2 for, 2 mixed) · 9 studies (4 causal, 3 quant-synthesis, 2 review), q2–q4 · 3 of 9 report an effect size · 2 claims rest on one study

Description¶

Activating background knowledge means deliberately prompting learners to retrieve relevant prior knowledge before new content is introduced — through opening questions, brief discussions, brainstorming, or structured activities such as Advance Organizers or KWL charts. The goal is to bring relevant schemas into working memory so new information can be connected to, and integrated with, what learners already hold. Retrieval of prior knowledge is itself a form of Practice that strengthens the existing schema while preparing it to receive new links.

Design Implications¶

New learning is stored in relation to existing knowledge structures; when relevant prior knowledge is active, new material is encoded more meaningfully and with less working-memory strain Chunking reduces working-memory load. [+M]. Prior knowledge is one of the strongest predictors of learning outcomes, often outweighing general ability Prior knowledge is not strongly related to performance. [~M]. Activation works best when it surfaces relevant and accurate knowledge — prompting retrieval of what learners know about the topic, not merely asking whether they like it or have heard of it.

Context¶

Requirements¶

• Identification of the prerequisite knowledge the new content depends on
• Prompts that require actual retrieval (recall, prediction, comparison), not just exposure to the topic
• A brief follow-up that connects learner responses to the upcoming content (Advance Organizers, Analogies)
• Willingness to diagnose and address misconceptions that surface during activation
• Prompts tightly aligned to the knowledge the new content actually presupposes, not just topically adjacent
• Enough wait time and low-stakes framing that learners genuinely retrieve rather than wait for the teacher's answer
• A mechanism for the instructor to diagnose gaps or misconceptions revealed by the activation and adjust instruction (Check-ins, quick polls, or Class Discussion)

Constraints¶

• Activating inaccurate or naive prior knowledge can reinforce misconceptions and interfere with new learning [~M] — activation must be paired with Cognitive Conflict or correction when errors surface
• Open-ended "what do you know about X?" prompts can consume time and activate irrelevant associations, adding extraneous load for novices [~M]
• Learners with genuinely little relevant knowledge gain little from activation; they need knowledge-building first, not retrieval attempts
• Activation prompts that are too difficult can frustrate and lower self-efficacy before instruction begins
• Activation can surface misconceptions; if these are not explicitly addressed, they may be strengthened rather than corrected
• Prompts that activate vivid but irrelevant knowledge can pull attention away from the learning goal Relevancy of emphasis directs attention. [~M]
• Repeated personal-experience sharing can consume instructional time disproportionate to its comprehension payoff

Implementation Variability¶

• Question-based: 2–3 targeted recall or prediction questions at the start of a lesson
• Discussion-based: brief Class Discussion or think-pair-share surfacing prior ideas
• Graphic: KWL charts, concept maps, or Advance Organizers that structure what learners recall
• Analogical: connecting new content to a familiar domain via Analogies and prior-knowledge activation routines
• Diagnostic: pre-tests or quick writes that simultaneously activate knowledge and inform the instructor's starting point
• Question-based: brief oral or written prompts before reading or a new unit
• Analogy-based: mapping a familiar domain onto the new one (Analogies, Analogies and Prior Knowledge Activation)
• Written: brief freewrites or KWL charts that make prior knowledge visible to both learner and instructor

Target Learners¶

• Learners who possess relevant knowledge but do not spontaneously retrieve it — the most common case in classroom settings [+M]
• Intermediate learners building on fragmented prior knowledge; activation helps consolidate and connect it
• Less useful for complete novices, who lack knowledge to retrieve and need direct knowledge-building instead [~M]
• Learners who possess relevant knowledge but do not spontaneously retrieve it — the most common case, since access problems (not absence of knowledge) drive many comprehension failures [~M]
• Learners with diverse backgrounds benefit when prompts invite multiple valid entry points rather than one expected experience

Target Learning Goals¶

• Conceptual understanding: integrating new ideas with existing schemas
• Transfer: establishing the retrieval pathways that later support application in new contexts
• Misconception repair: surfacing naive conceptions so they can be explicitly addressed
• Comprehension of texts, lectures, or new domains that presuppose familiar schemas
• Retention: knowledge connected to existing structures is recalled more reliably Spaced repetition improves retention. [+S]
• Transfer: activating analogous prior experience supports analogical mapping to new problems

Instructions¶

1. Identify the prerequisite knowledge and common misconceptions for the new content.
2. Open with a short retrieval prompt — a question, prediction, or quick write — that requires learners to actively recall relevant knowledge rather than merely hear the topic named.
3. Surface responses through Class Discussion or pair sharing, making prior ideas visible.
4. Address inaccuracies explicitly using Cognitive Conflict or Analogies that restructure naive ideas.
5. Bridge to new content with an Advance Organizers statement or visual that explicitly links what was recalled to what comes next.
6. Revisit the activated knowledge during Application tasks so the connection is used, not just stated.

Related Strategies¶

• Activating Prior Knowledge — the closely overlapping routine; this page treats activation as a deliberate instructional strategy rather than a momentary warm-up
• Accessing Students' Background Knowledge — the diagnostic, learner-knowledge-mapping counterpart
• Check context familiarity by asking the class to share what they know about a problem's context before working on it
• Activating and Using Background Knowledge — variant that pairs activation with immediate application of what is recalled
• Embed the KWL strategy across inquiry phases to guide question generation and question-quality monitoring

Examples¶

• KWL charts (Ogle, 1986) — Learners record what they Know, what they Want to know, and later what they Learned; widely used in reading instruction to structure activation before and reflection after a text.
• Reciprocal Teaching (Palincsar & Brown, 1984) — Before reading, students predict and connect to prior knowledge as one of four comprehension strategies, making activation a recurring habit rather than a one-off event.
• Opening prediction problems in physics courses — Instructors pose a qualitative question ("Which falls faster, a heavy or light object?") before instruction, surfacing intuitive theories that the lesson then confronts directly.
• Before reading a narrative text, a teacher asks, "Have you ever been afraid to try something new?" and collects responses on the board, then maps them onto the protagonist's situation as the class reads.
• KWL charts — learners list what they Know, Want to know, and later what they Learned; the K and W columns are the activation phase.
• A physics instructor opens a unit on current with the analogy of water flowing through pipes, prompting learners to articulate what they already know about flow and pressure before mapping it to circuits.
• Annenberg Learner video-based lessons frequently open with a prediction question that requires learners to commit prior intuitions before the explanation revises them.

Key Sources¶

• Ausubel, D. P. (1968). Educational psychology: A cognitive view. Holt, Rinehart & Winston.
• Dochy, F., Segers, M., & Buehl, M. M. (2003). The relation between assessment practices and outcomes of studies: The case of research on prior knowledge. Review of Educational Research, 69(2), 145. doi:10.2307/1170673
• Ogle, D. M. (1986). K-W-L: A teaching model that develops active reading of expository text. The Reading Teacher, 39(6), 564–570. doi:10.1598/rt.39.6.11
• Rosenshine, B. (2012). Principles of instruction: Research-based strategies that all teachers should know. The Clearing House, 85(6), 225–233.
• 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
• Ausubel, D. P. (1960). The use of advance organizers in the learning and retention of meaningful verbal material. Journal of Educational Psychology, 51(5), 267–272. doi:10.1037/h0046669
• Bransford, J. D., & Johnson, M. K. (1972). Contextual prerequisites for understanding: Some investigations of comprehension and recall. Journal of Verbal Learning and Verbal Behavior, 11(6), 717–726. doi:10.1016/s0022-5371(72)80006-9
• Dochy, F., Segers, M., & Buehl, M. M. (1999). The relation between assessment practices and outcomes of studies: The case of research on prior knowledge. Review of Educational Research, 69(2), 145–186. doi:10.3102/00346543069002145
• Recht, D. R., & Leslie, L. (1989). Effect of prior knowledge on good and poor readers' memory of text. Journal of Educational Psychology, 81(1), 16–20. doi:10.1037//0022-0663.80.1.16