A graphic organizer is a visual and graphic display that depicts relationships between facts, terms, and/or ideas within a learning task. They are also sometimes referred to as knowledge maps, concept maps, story maps, cognitive organizers, advance organizers, or concept diagrams. For non-fiction texts, they help readers understand and retain information by structuring the text's main ideas, supporting details, and relationships between them.
While the concept of visually organizing information has existed for centuries, the formal use of graphic organizers in education gained traction in the late 20th century. Educational psychologists recognized the power of visual aids in promoting comprehension and retention. Figures like D. Gordon Rohwer Jr. and Tony Buzan contributed significantly to the popularization and development of various graphic organizer techniques.
Here's a breakdown of popular graphic organizers for non-fiction, along with examples of when to use them:
| Graphic Organizer | Description | Best Use Case | Example |
|---|---|---|---|
| Concept Map | Visual representation of relationships between different concepts. Uses nodes and connecting lines. | Exploring relationships between ideas; brainstorming; summarizing. | Central node: "Photosynthesis". Connecting nodes: "Sunlight", "Water", "Carbon Dioxide", "Glucose", "Oxygen". |
| Cause-and-Effect Diagram (Fishbone Diagram) | Illustrates the causes and effects of a specific event or problem. | Analyzing the reasons behind a particular outcome; problem-solving. | Main problem: "Deforestation". Causes: "Logging", "Agriculture", "Urban Development". Effects: "Soil Erosion", "Habitat Loss", "Climate Change". |
| Timeline | Shows events in chronological order. | Understanding historical events; tracking progress; sequencing steps in a process. | Timeline of the American Revolution showing key battles and political events. |
| Compare and Contrast Chart (Venn Diagram) | Highlights the similarities and differences between two or more subjects. | Analyzing the attributes of two different political systems. | Comparing democratic and authoritarian forms of government. Overlapping area shows both have governments. One circle for democratic: elections, free speech. Other circle for authoritarian: dictator, controlled media. |
| Sequence Chart | Illustrates the steps in a process or the order of events. | Explaining a scientific process; outlining the steps in a recipe. | The stages of mitosis in cell division. |
| KWL Chart | Organizes information before, during, and after reading. Stands for "Know", "Want to Know", and "Learned". | Activating prior knowledge; setting learning goals; summarizing information. | Topic: "The Amazon Rainforest". K: What students already know. W: What they want to learn. L: What they learned after reading. |
| Hierarchy Chart | Shows the relationship between elements that are arranged according to rank, grade, class, or order. | Understanding taxonomic classification in biology or levels of management in an organization. | Taxonomic ranks: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. |
Choosing the right graphic organizer is crucial for effectively understanding and remembering non-fiction texts. By considering the text's structure and purpose, as well as the learner's individual needs, you can select the most appropriate tool to facilitate comprehension and enhance learning.
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