🌱Scott Thornbury's Teaching Unplugged (Dogme ELT)

The Lexical Approach by Michael Lewis
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.
-
Teacher Action: Set 2–3 gist questions. Pass out the authentic text or play the audio track.
-
Student Action: Read or listen for the overarching narrative or argument without stopping at unknown vocabulary.
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.
-
Teacher Action: Direct students back to the text. Instruct them to find and underline specific semantic combinations (e.g., "Underline every word that appears alongside the noun 'decision'").
-
Student Action: Scan the text and mark chunks like make a snap decision, weigh the options, or come to a consensus.
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.
-
Teacher Action: Provide a categorization matrix or a guided discovery worksheet.
-
Student Action: Classify the chunks into structural types or collexemes.
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.
-
Teacher Action: Present a prompt testing the limits of the phrase (e.g., "We can say a 'snap decision'. Can we say a 'flash decision' or a 'fast decision'?").
-
Student Action: Use intuition, dictionary lookups, or a simplified corpus tool to discover that flash decision is non-standard, thereby formulating a hypothesis about native-speaker idiomaticity. ^3
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.
-
Teacher Action: Provide a new, parallel scenario context.
-
Student Action: Take a frame like
The downside of [X] is [Y]and adapt it to their own life (e.g., "The downside of working remotely is the lack of direct collaboration").
Step 3.2: Communicative Activation
A free-fluency task designed to elicit the newly acquired lexical bank naturally.
-
Teacher Action: Monitor a roleplay or discussion task, tracking the naturalness of lexical choices rather than just checking for grammatical errors.
-
Student Action: Engage in a discussion or debate requiring them to use the target expressions to achieve a communicative goal (e.g., negotiating a budget cut or choosing a project vendor).
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."