§ Methodology · LBL-MLI v2.0
The science behind the Meaning in Life Index.
The Meaning in Life Index is an LBL-original, 40-item self-report instrument that maps how meaningful your life feels across ten dimensions — the three-part experience of meaning, your relationship to searching for it, and the six life domains meaning is drawn from. Every item, scale, and scoring rule on this page was written for LifeByLogic, informed by Steger’s Meaning in Life Questionnaire, whose wording one search item closely echoes; the underlying model is built on well-established frameworks from the science of meaning.
It exists because a widely used brief measure in this area, the Meaning in Life Questionnaire, is copyrighted and only ten items long — it captures presence and search, but not where meaning actually comes from. The Index keeps the parts of that tradition that are well-supported and widens the lens to the sources that feed a meaningful life.
What do we mean by meaning?
Contemporary meaning research converges on a three-part definition. A life feels meaningful to the degree that it has coherence (it makes sense as a connected whole), purpose (it is oriented toward valued aims), and significance or mattering (it counts, to oneself and to others). This tripartite structure was synthesized by Martela & Steger (2016) and operationalized in the Multidimensional Existential Meaning Scale by George & Park (2017); mattering as a distinct, central pillar draws on Frankl’s clinical work and on the significance literature.
Those three facets describe the experience of meaning. But meaning is also sourced — it is fed by particular parts of a life. Schnell’s Sources of Meaning work shows that people draw meaning from identifiable domains: relationships, generativity, self-transcendence, and more. The Index keeps these two layers separate on purpose: the experience tells you how meaningful life feels; the sources tell you where that meaning is coming from, so a flat score becomes actionable.
Searching is treated as its own thing. In the meaning literature, actively searching for meaning is not simply the opposite of having it. For someone with a solid base, searching looks like growth; for someone running on empty, it can signal a crisis. Because high search means different things at different levels of presence, the Index reports it as a separate lens rather than folding it into your headline score.
The ten dimensions.
The forty items are organized into two tiers. Tier 1 — the experience of meaning is four facets, four items each, measuring how meaning feels from the inside:
- Coherence (items 1–4) — whether your life hangs together as a connected story that makes sense.
- Purpose (items 5–8) — whether you have a clear sense of direction and something to move toward.
- Mattering (items 9–12) — whether your being here makes a real difference, to yourself and to others.
- Search (items 13–16) — how actively you are looking for a deeper sense of what your life is about.
Tier 2 — the sources of meaning is six life domains, four items each, mapping where meaning is being fed:
- Connection & Belonging (items 17–20) — close relationships, being known, and belonging somewhere.
- Contribution & Craft (items 21–24) — work worth doing and the meaning of doing something well.
- Growth & Becoming (items 25–28) — learning, stretching, and becoming more fully yourself.
- Transcendence & the Sacred (items 29–32) — connection to something larger than yourself, awe, and the spiritual.
- Vitality & Experience (items 33–36) — beauty, joy, savoring, and the plain richness of being alive.
- Legacy & Continuity (items 37–40) — building or passing on something that outlasts you.
How your score is calculated.
Everything runs in your browser, live, as you answer, with no server step to score it.
Stage 1 · Dimension scores
Each of the ten dimensions is the simple average of its four items, on a 0–10 scale. Equal item weighting is deliberate: with original, unvalidated items there is no defensible basis for weighting one over another within a dimension.
Stage 2 · Presence of Meaning, and Sources
Presence of Meaning is the average of the three experience facets — Coherence, Purpose, and Mattering. Search is deliberately excluded here, for the reasons above. Sources is the average of the six source domains.
Stage 3 · The Meaning Index (75/25 weighted)
Your headline Meaning Index is 0.75 × Presence + 0.25 × Sources. The experience of meaning carries most of the weight because it is what the construct is fundamentally about; the sources are weighted in as supporting evidence and as the place to look when you want to act on the number. The 75/25 split is an LBL editorial choice, not a derived constant.
Stage 4 · Search, as a separate lens
Your Search score is reported on its own and read against your Presence score — high search on a strong base reads as healthy questing; high search on a thin base is one of several signals the Index watches for. It does not enter the radar or the Meaning Index.
Stage 5 · Spread, for profile assignment
The standard deviation of your three experience facets is used to tell an even profile (all three close together) from an uneven one (one or two facets carrying more of the weight). That distinction is what separates the Anchored and Purposeful profiles below.
What is empirically grounded vs. LBL judgment
Being explicit about this matters. Grounded in published work: the tripartite coherence–purpose–mattering structure, the experience-versus-sources distinction, and treating search as bivalent. LBL editorial judgment: the exact item wording, the 75/25 weighting, the score-band cutoffs, and every profile threshold. The Index is a structured reflection tool built on a sound model — not a validated psychometric scale, and not a substitute for one.
How your profile is matched.
Once all forty items are answered, your scores are matched to one of six profiles — Anchored, Purposeful, Seeker, Holding, Searching, and Adrift — using your Presence of Meaning, your Search score, and the spread across your experience facets. These are pattern summaries, not categories of people; the same person can fit one this season and another the next.
The matching is care-aware, and that check runs first. If your Presence of Meaning or your Mattering is very low, if the “would my absence leave a genuine gap” item is answered at 2 or below, or if a thin sense of meaning is paired with intense searching, the Index routes to the Adrift profile and surfaces crisis support ahead of any results. That is a deliberate prompt to reach out — not a diagnosis.
What this assessment doesn’t capture.
Intellectual honesty requires naming the limits of any self-report instrument. The Meaning in Life Index is a 40-item self-report measure across ten dimensions, grounded in established frameworks but carrying the usual constraints you should keep in mind when reading your result.
§ Known limitations of this measure
- Self-report bias. Your result reflects how you currently perceive your life, not an external measurement of it. Mood and recent events move scores.
- Point-in-time snapshot. A sense of meaning rises and falls across weeks and seasons. One assessment captures a moment, not a trend; re-taking every few months is far more informative than a single score.
- Not a clinical instrument. The Index is a reflection tool, not a diagnostic one. It does not replace evaluation by a licensed professional, and the care-aware notice is a prompt, not a diagnosis.
- No normative comparison. Unlike a validated scale, the Index is not benchmarked against a representative sample. Your score is read on its own terms, not as a percentile against other people.
- Culturally situated. The model leans on largely Western academic frameworks of meaning. Sources such as the sacred, ancestry, and community carry very different weight across traditions, and the six-source map cannot capture all of them.
- Profiles and boundaries are heuristics. Real meaning spills across the ten lines drawn here — a close friendship is also legacy; a calling is also growth. The map is useful, not ontologically precise.