The complete BCG prep library.
Free, in-depth guides for every BCG assessment format — Casey, CCA, Pymetrics, Cognitive Test, and the legacy Potential Test.
25 guides · updated as BCG's assessment formats evolve.
Cognitive Test
A four-week Cognitive Test practice routine
Daily drills, weekly mocks, and what to track to actually improve.
6 min read
Cognitive Test numerical: the seven question shapes that recur
Pattern recognition is faster than calculation. Here are the seven shapes that cover most numerical questions.
6 min read
Cognitive Test logical: how to crack pattern-completion fast
The four sub-patterns inside logical reasoning and the spotting trick for each.
6 min read
Cognitive Test verbal: reading for the answer, not for comprehension
A two-pass reading routine that finds the answer in 90 seconds without reading the whole passage.
5 min read
Cognitive Test day-before checklist
Everything to do — and not do — the 24 hours before your Cognitive Test.
4 min read
Cognitive Test time pressure: when to skip and when to push
A simple rule for the skip decision and how to recover from a slow start.
5 min read
BCG Cognitive Test (Germany) — Complete Guide
German offices use the cognitive test in place of Casey. 80 questions in 30 minutes. Here is what to expect.
7 min read
Pymetrics
Which traits each firm benchmarks for
What we know — and what's speculation — about BCG, McKinsey, JPM, and Bain Pymetrics benchmarks.
6 min read
Pymetrics day-of: setup, mindset, recovery
A short checklist for the morning of your Pymetrics assessment.
4 min read
A three-day Pymetrics practice plan
Enough preparation to feel calm — not so much that you over-rehearse and distort your trait profile.
5 min read
Pymetrics risk games: balloon, cards, and the trait Pymetrics is actually measuring
What the balloon-pump and card-deck games measure — and why playing 'safer' isn't the right strategy.
6 min read
Pymetrics emotion recognition: the game that surprises candidates
How the face-reading task is scored — and why speed and accuracy matter equally.
5 min read
The 9 Pymetrics trait clusters, decoded
Plain-English definitions of the traits Pymetrics actually returns to employers.
6 min read
The 12 Pymetrics Games Explained
Every Pymetrics mini-game you will face — what it tests, how to approach it, and the trait it scores.
9 min read
Casey
Casey case math drills that actually transfer
Six daily drills that target the exact arithmetic Casey throws at you under 60-second pressure.
6 min read
Structuring frameworks that survive Casey
Why off-the-shelf frameworks fail with Casey and how to build a structure that earns points.
7 min read
Reading Casey exhibits without losing two minutes
A four-step routine for extracting the right number from a Casey chart before the clock punishes you.
5 min read
The Casey 60-second video: what to actually say
Structure, pacing, and the three mistakes that sink most video responses.
5 min read
Casey time management: where the 25 minutes go
A minute-by-minute budget for the Casey case so you don't run out of clock at the synthesis step.
5 min read
Ten Casey mistakes that cost the offer
The recurring patterns scorers flag — and what to do instead.
6 min read
How to Ace the 1-Minute Casey Video Recommendation
The Casey chatbot ends with a 60-second recorded recommendation. Here is how to structure it.
4 min read
Common Casey Question Types with Worked Examples
Five recurring Casey question patterns and how to attack each one in under 3 minutes.
7 min read
Online Case
Online Assessment
Frequently asked
Start with the guide matching what your invitation email names — Casey, CCA, Pymetrics, or the Cognitive Test. If the email is vague, start with the Online Assessment hub, which decodes what each format looks like.