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The Sev7n Blog · Written by IB Examiners

Examiner-authored guides for IB students & parents.

Marking criteria, paper technique and subject choices — explained by the people who mark the real papers.

★ FeaturedExaminer Guides

How to Write an ERQ in IB Psychology — An Examiner's Structure

The 22-mark Extended Response Question is where IB Psychology marks are won and lost. Here is the paragraph-by-paragraph structure, the five assessment criteria, and the command terms that decide your band — from someone who marks them.

Read article 8 min read

All articles

5 articles
All5Examiner Guides2IA & EE1Subject Strategy1For Parents1
Examiner Guides8 min read

How to Write an ERQ in IB Psychology — An Examiner's Structure

The 22-mark Extended Response Question is where IB Psychology marks are won and lost. Here is the paragraph-by-paragraph structure, the five assessment criteria, and the command terms that decide your band — from someone who marks them.

DS
Dr Sukanya Pal
7 Jun 2026
IA & EE14 min read

15 IB Economics IA Topics That Score a 7 — With Examiner Commentary

Twenty real Economics IA commentaries from the May 2024 session, the topics that scored the highest, and why. Plus the four-question test we use to spot a winning topic before students start writing.

SV
Shailey Valecha
12 May 2026
Subject Strategy8 min read

IB Math AA vs AI (HL & SL) — Which One Should Your Child Choose?

Both options cover the same five topics — but the emphasis, the depth, and the university doors they open are very different. A subject choice guide for IBDP students and parents.

SV
Shailey Valecha
5 May 2026
For Parents9 min read

Why IB Over CBSE? A Parent's Honest Comparison

Choosing a school board for your child is a defining decision. From curriculum design to university outcomes, here is how the IB and CBSE actually compare — and which one suits which child.

SV
Shailey Valecha
28 Apr 2026
Examiner Guides7 min read

Plagiarism in the IB — Types, Detection, and How to Avoid It

Academic honesty sits at the heart of the IB. A practical guide to the six types of plagiarism, the detection tools schools use, and how to keep your IA, EE and TOK essay clean.

SV
Shailey Valecha
22 Apr 2026