Guides to assessment
Plain, sourced guides for anyone choosing, judging or using a personality or behavioral assessment, including ours.
For buyers
Certification costs compared
Published certification prices for established assessments, with sources and dates.
For understanding
Are personality tests accurate?
Reliability, validity and what the evidence for any test should look like.
For practice
Running a team workshop
A 90-minute plan for using a preference assessment with a team.
Standards and scoring
How to evaluate a psychological test
The EFPA Test Review Model 5.0 and the 2014 Standards, with a reusable scorecard.
Big Five versus type models
Traits, types and the MBTI: what research found and what each suits.
Forced-choice and ipsative scoring
Why forced-choice scores describe one person rather than compare people.
Fair use and learning
The four-fifths rule, with a calculator
How adverse impact is screened, and a free impact-ratio calculator.
The AICP textbook
The ICA model, scoring, test standards and appropriate use, as a PDF.
Questions
Who writes these guides?
ANTHRL. Each guide cites its sources and shows when it was last reviewed. Our own evidence status is in the claims ledger.
Keep reading
Start with the free ICA.
Plain guides to choosing, judging and using personality and behavioral assessments: accuracy, hiring law, certification costs and team workshops.