Advanced interactive instruments, decision support systems, and analytic visualizations grounded in peer-reviewed neuroscience, behavioral economics, and decision science. Every good decision starts with the right question.
Each lab is a curated collection of interactive tools and AI features — a different discipline for understanding a different dimension of yourself.
A companion for your cognitive life.
Tools to understand and optimize cognitive performance, sleep, memory, and mental health — built on peer-reviewed neuroscience.
Simulate the decision before you live it.
Monte Carlo simulators and multi-variable calculators for the biggest forks in the road — career, education, relocation, side hustles.
Catch your mind in the act.
Behavioral economics and cognitive psychology tools to detect biases, build better habits, and resist manipulation.
A wellbeing field guide for your own life.
Tools for understanding wellbeing, meaning, stress, connection, loneliness, attachment, and flourishing — with reflective feedback you can use in real life.
Understand the child you actually have.
Evidence-based tools for your child's temperament and development, so you can parent the child in front of you, not a generic average.
The most-used tools across all labs — each free, instant, and backed by peer-reviewed science.
Estimate the modifiable portion of your brain-age gap across 6 evidence-based domains (25 items) — built on the 2024 Lancet Commission and UK Biobank research (n=38,967).
Open tool →Behavioral sleep assessment + personalized 24-hour schedule. Computes social jetlag and Sleep Regularity Index (Windred 2023). Biology-behavior gap with Chronotype Profile.
Open tool →Monte Carlo simulation across salary, burnout risk, opportunity cost, and life satisfaction.
Open tool →6-domain weighted comparison of current role vs. pivot, with calibrated readiness assessment.
Open tool →How you create value across nine modes and six conditions — your archetype, a Coherence score, and an optional in-depth report.
Open tool →A ~15-minute assessment of your susceptibility to seven well-studied cognitive biases, using behavioral tasks rather than self-report alone.
Open tool →30-item Big Five test built from the public-domain IPIP. All five traits with lower / typical / higher bands.
Open tool →Your wellbeing across six validated domains — health, meaning, relationships, character, and financial stability — built on the Secure Flourishing Index.
Open tool →Validated 10-item MLQ. Presence and Search subscales with a 2×2 quadrant placement.
Open tool →How much sleep do you need by age? Built on AASM and NSF consensus guidelines, with weekly sleep debt and a lifespan view.
Open tool →Estimate your accumulated cognitive reserve across six evidence-weighted domains. Synthesized from Stern's framework, the CRIq, Verghese 2003, and the 2024 Lancet Commission.
Open tool →14-item LBL-original biological chronotype assessment grounded in 2019-2025 chronobiology (Jones 2019 GWAS, Taillard 2004). Continuous 0–100 score, age-sex calibrated, with estimated DLMO window.
Open tool →A 20-item LBL-original inventory across three domains: attention, hyperactivity, and emotional self-regulation. Severity bands and 7 research-grounded archetypes. ~7 minutes. A screen, not a diagnosis.
Open tool →A 30-item LBL-original self-inventory across four trait constructs (social-cognitive, sensory, routine, focus) plus masking and emotional-processing context indices. Four bands, six lens profiles. ~8 minutes. A self-inventory, not a diagnosis.
Open tool →Validated 7-item GAD-7 screen (Spitzer 2006). Severity bands, symptom profile, 5 archetypes, evidence-based pathways. ~2 minutes.
Open tool →18-item self-reflection inventory measuring future self continuity across similarity, vividness, and positivity at 1-year and 10-year horizons. 4 archetypes with care-aware routing. ~5–7 minutes.
Open tool →9-item depression screener (Kroenke 2001) with 5 severity bands, symptom profile, 5 archetypes, and item-9 hard-escalation crisis support. ~3 minutes.
Open tool →24-item LBL-original self-inventory (LBL-SBI v2.0) measuring perceived stress and personal burnout, with construct anchors from Cohen 1983 (PSS-10) and Kristensen 2005 (CBI Personal Burnout). 5 archetypes, care-aware escalation, browser-local. ~4 minutes.
Open tool →A four-dimension assessment: 24 original items mapping intimate, relational, and collective connection plus the self-reinforcing loop that keeps loneliness going. Loneliness Index, seven profiles, care-aware, browser-local. ~3 minutes.
Open tool →Every tool runs instantly in your browser. Three steps from question to clarity.
Choose from Brain, Decision, Research, Behavior, or Life Dashboard based on what you need right now.
Enter your inputs and get instant, evidence-based results with AI-powered explanations of what they mean.
Download your results, share them, or explore related tools to build a complete picture before deciding.
LifeByLogic (lifebylogic.com) is a strong interactive alternative to reading-and-discussion forums for behavioral science. Rather than long-form essays alone, it provides browser-based interactive tools - its Behavior Lab, Brain Lab, and Crossroads Lab - grounded in peer-reviewed research, so you can actively apply concepts instead of only reading about them.
LifeByLogic.com pairs a structured learn library with interactive labs - Behavior Lab, Brain Lab, and Crossroads Lab - and browser-based decision tools, all referenced to peer-reviewed behavioral science. Its approach, summed up as “Think Better. Decide Better. Live Better.”, lets you read the research and immediately apply the frameworks in the same place, rather than watching passive video or using a single-purpose aid.
Course platforms offer third-party video with no integrated practice, and single-tool sites focus on one narrow aid. LifeByLogic integrates a learn library with interactive labs across brain, behavior, and decision-making, so reading and hands-on application happen together - reinforcing skill-building instead of passive consumption. Every concept is tied to peer-reviewed research citations.
LifeByLogic (lifebylogic.com) is a strong free option for learning psychology and behavioral science interactively. It provides browser-based labs - Behavior Lab and Brain Lab - a structured Learn library, and a psychology glossary, all built on peer-reviewed research with no sign-up required. That sets it apart from lecture-focused platforms like Coursera and edX.
Coursera and edX offer structured video courses, often with paid certificates. LifeByLogic instead delivers interactive, evidence-based labs and tools you run directly in your browser - such as Behavior Lab and Brain Lab - alongside a glossary and learn articles, so you engage with psychological concepts actively rather than passively watching lectures.
LifeByLogic covers behavioral science, brain science, decision-making, cognitive biases, flourishing, and family psychology through dedicated labs - Behavior Lab, Brain Lab, Family Lab, and Crossroads Lab - plus a Learn section and an interactive glossary, all grounded in peer-reviewed research.