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Study guides for the reasoning patterns the EA tests. The Data Sufficiency primer is open to everyone; the course chapters are included with the Standard and Intensive plans.

The course Every chapter and practice set, in order Open the course

Start here if you have not seen the course: one chapter is open to everyone, a free sample of how the rest is written. No account needed.

Free sample · no account needed Data Sufficiency The framework for answering without solving — how to judge whether you have enough information, and the traps the EA sets around it. Practice in progress Open the chapter

Quantitative 1 of 9 chapters

Quantitative · Chapter 8 Q8 · Data Sufficiency The full course chapter: the protocol for judging each statement alone, sufficiency by uniqueness, the seven named traps, and 12 practice items with worked explanations. Practice in progress Open the chapter

Verbal 6 of 6 chapters

Verbal · Chapter 0 V0 · How the Verbal Section Works The map before the techniques: what the section contains, what each of the three question types looks like on screen, and why the register makes it harder than the material. Practice in progress Open the chapter Verbal · Chapter 1 V1 · Anatomy of an Argument What every Critical Reasoning question has underneath: premise, conclusion and the unstated assumption between them — plus six structure drills and four full items. Practice in progress Open the chapter Verbal · Chapter 2 V2 · CR Question Types All eight Critical Reasoning types, and why each is a question about the same assumption — assumption, strengthen, weaken, evaluate, inference, paradox, boldface and the causal flaw underneath them. 3 practice sets Open the chapter Verbal · Chapter 3 V3 · How to Read Reading Comprehension before the questions: read for structure, build a four-line map, catch the quiet turn, and judge how far the author has actually committed. 1 practice set Open the chapter Verbal · Chapter 4 V4 · RC Question Types The six Reading Comprehension types — three answered from your map, three that require going back to the text — with eight items across two passages. 2 practice sets Open the chapter Verbal · Chapter 5 V5 · Sentence Correction Eight grammar axes and the method that beats reading five options in full: read the whole sentence, find where the options split, settle one axis at a time. 8 practice sets Open the chapter

Integrated Reasoning 1 of 6 chapters

Integrated Reasoning · Chapter 1 I1 · Table Analysis The five statement shapes, the sort tool almost nobody uses, and the boundary words that decide the item — with three all-or-nothing practice items. Practice in progress Open the chapter

Cross-section 1 of 1 chapter

Cross-section · Strategy X · Exam Strategy Taking the exam, not answering it: the time budget, the ninety-second abandonment decision, guessing with a method, and an eight-week plan for four hours a week. Practice in progress Open the chapter

In production

Video lessons are on the way

Short, focused walkthroughs of the highest-leverage EA patterns — one concept at a time, taught the way the exam actually tests it. We’ll add them here as each is filmed.