Question 1

What is The Self Index?

Accepted Answer

The Self Index is a science-based psychological assessment platform offering 13 validated psychometric instruments across five domains: Identity, Relationships, Cognition, Wellbeing, and Purpose. It is designed for adults seeking deep, evidence-based self-understanding.

Question 2

Are the assessments scientifically validated?

Accepted Answer

Yes. Every assessment on The Self Index is based on peer-reviewed psychometric instruments used in academic research and clinical practice. These include the Big Five (OCEAN), the Schutte EI Scale, the Connor-Davidson Resilience Scale, the VIA Character Strengths inventory, and others. See our Methodology page for full references.

Question 3

Can I try the assessments for free?

Accepted Answer

Yes. Four free taster assessments are available with no account required: Attachment Style, Emotional Intelligence, Character Strengths, and Dark Triad. Each taster gives you a partial result and a prompt to unlock the full report.

Question 4

How long does each assessment take?

Accepted Answer

Most assessments take between 5 and 12 minutes. The IQ assessment takes approximately 20 minutes. The full 360° profile (all 13 assessments) takes around 2 hours in total and can be completed across multiple sessions.

Question 5

Is my data private?

Accepted Answer

Yes. Your individual assessment results are never shared with third parties. In the school version, student results are kept strictly private and are never visible to teachers or school administrators — only anonymised aggregate data is available to schools.

Question 6

What is the 360° Profile?

Accepted Answer

The 360° Profile is a radar chart that aggregates your scores across five psychological domains — Identity, Relationships, Cognition, Wellbeing, and Purpose — giving you a single visual overview of your complete psychological profile. It updates automatically as you complete more assessments.

Question 7

Is The Self Index suitable for schools?

Accepted Answer

Yes. The Self Index for Schools is designed for UK secondary schools (Key Stage 3–5) and supports Gatsby Benchmark 8. It provides career pathway matching, anonymised aggregate wellbeing insights, and a student-safe version of the assessments (excluding the Dark Triad).

The Self Index — Science-Based Psychological Assessments

Validated psychometric tests for identity, relationships and cognitive ability