🌱Scott Thornbury's Teaching Unplugged (Dogme ELT)

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The Lexical Approach by Michael Lewis

Summary

The Observe-Hypothesise-Experiment (O-H-I) framework replaces the traditional structural PPP (Presentation, Practice, Production) model. Instead of introducing a grammatical rule out of context, an O-H-I lesson relies on authentic texts to expose Upper-Intermediate (B2) learners to natural word partnerships, guiding them to discover linguistic patterns independently before using them creatively. ^1

Lesson Profile Template

This reusable profile establishes the lexical constraints of the lesson, steering the focus away from abstract grammar structures and toward multi-word units.

Component Description / Details
Lesson Title e.g., Navigating Crucial Decisions (Professional English)
Target Level Upper-Intermediate (CEFR B2)
Duration 60 Minutes
Primary Input Authentic text (e.g., podcast excerpt, email thread, or commentary article)
Lexical Focus Collocations, fixed expressions, and semi-fixed sentence frames

Stage 1: Observe (20 Minutes)

The objective of this stage is twofold: decode the text for semantic meaning and actively notice how words cluster together in natural discourse. ^2

Step 1.1: Gist Comprehension

Before diving into lexical chunks, students must understand the context. Provide a high-level reading or listening task.

Step 2.2: Lexical Noticing Task

This is the core shift away from traditional teaching. Students revisit the text specifically to locate word partnerships rather than individual words.

Important

Upper-Intermediate students frequently fall into the trap of translating word-for-word from their native language, resulting in unnatural "Franken-sentences" (e.g., do a decision). The Observe stage trains their eyes to see English as a language of pre-existing combinations.

Stage 2: Hypothesise (20 Minutes)

In this stage, students analyze the chunks they found, look for patterns, and deduce the rules of usage, collation constraints, or register restrictions.

Step 2.1: Pattern Analysis

Students organize the noticed chunks into analytical frameworks to figure out how they behave.

Sample Hypothesising Matrix

Students fill out a table based on the text to analyze structural variations:

Verb + Noun Chunks Adjective + Noun Chunks Semi-Fixed Sentence Frames
Weigh the options A snap decision The downside of [X] is [Y]
Defer the choice A calculated risk Given the circumstances, we should...

Step 2.2: Testing Constraints

Students determine the boundaries of the collocation—what cannot be said.

Stage 3: Experiment (20 Minutes)

Experimentation is not a rigid "controlled practice" session with gap-fills. Instead, it is a period of scaffolded production where learners test their hypotheses in communicative contexts.

Step 3.1: Contextual Modification

Students adapt the semi-fixed expressions they analyzed to fit new, personalized scenarios.

Step 3.2: Communicative Activation

A free-fluency task designed to elicit the newly acquired lexical bank naturally.

Tip

During error correction, don't just fix grammar. Highlight lexical mismatches. If a student says, "I took a heavy decision," point out that while grammatically perfect, native speakers prefer "I made a tough decision."

References