Journal / The Human Layer

The Human Layer

Behaviour, nonverbal signals and decision-making, read through the empirical literature rather than the trade-show version.

peak end duration barely enters the memory
The Human Layer

What People Remember Is Not What Happened

A trial made a procedure longer and more uncomfortable, and patients remembered it as better. What that means for anyone who delivers a service.

January 19, 20279 min read
first offer predicts the settlement final price first offer →
The Human Layer

Who Should Make the First Offer

Always anchor first is half right. The two conditions where it backfires, and the documented technique that cancels the other side's anchor.

January 12, 20279 min read
nine verbal metaphorstorycontrast rhetorical questionthree-part listmoral conviction reflect the grouphigh goalsconfidence in goals three nonverbal voicefacegesture trained, randomised, rated by others · mean D = .62
The Human Layer

Charisma Is a Set of Tactics, Not a Temperament

A randomised experiment trained managers in twelve behaviours and raised how charismatic colleagues rated them. The tactics, and the inverted-U nobody quotes.

December 15, 20269 min read
head head leadership emerges disproportionately at the ends you answer the person opposite, not the person beside you
The Human Layer

Where to Sit in a Meeting, According to the Actual Research

Seventy years of research on seating and posture, and almost none of it in what you read. What the studies support, and the full power-posing replication record.

December 8, 202610 min read
09:0011:0014:0016:30 "I'll send it this week" no time, no place, no trigger scheduled tasks win by default
The Human Layer

The Yes That Never Happens

People agree sincerely and then do nothing. The three mechanisms that dissolve intention, and the thirty-second technique that closes part of the gap.

November 3, 20269 min read
removed added, and mistaken for signal full bodyhands at resttorso orientation physical distancetiming of turn-taking network latencycamera vs screen gaze self-chosen framingyour own face on screen
The Human Layer

Reading the Room When There Is No Room

Video does not thin the signals. It removes them and adds artefacts that look like behaviour — latency that reads as hesitation, gaze that is lens geometry.

October 27, 20269 min read
noticed liking visibility of the technique →
The Human Layer

Rapport Is Not Mimicry: The Chameleon Effect and Where It Breaks

Copying posture increases liking — until it is noticed, at which point it does the opposite. Why deliberate mirroring fails and what holds up at minute thirty.

October 13, 20268 min read
what the belief predicts large, reliable what meta-analysis found indistinguishable from zero gaze aversion as a cue to deception
The Human Layer

The Eye Contact Myth: Liars Look You in the Eye

Gaze aversion is the most widely believed cue to deception and one of the weakest. The meta-analytic evidence, and the NLP claim that was specific enough to be tested and failed.

October 6, 20269 min read
detailed questionlong, specific reply same-length question"ok, thanks" +4 min+31 h latency and length are the only channels you have in writing
The Human Layer

Reading a Room You Are Not In

In text, only latency and length survive as signals. How to read both, the three ways written communication misleads you, and when to change channel.

September 8, 20267 min read
gut feelunstructuredstructuredwork sample predictive value →
The Human Layer

Thin Slices: What a Four-Minute Judgment Actually Predicts

Snap judgments are accurate about warmth and delivery, and poor about competence. What that means for interviews — and what beats the interview entirely.

September 1, 20268 min read
question silence what they actually think question you fill the gap "yeah" with the pause without it
The Human Layer

Silence Is the Cheapest Question You Will Ever Ask

Open questions followed by silence outperform every clever technique. Why leading questions contaminate the answer, and how to pause without being strange about it.

August 25, 20267 min read
pronoun shiftlatency upquestions stop"send it over" engagement time →
The Human Layer

The Four Signals That Show Up Before Someone Says No

Disengagement precedes refusal and is far easier to read than deception. Four observable changes, in the order they arrive, and what to do inside that window.

August 18, 20268 min read
what was measured what is claimed liking / attitude onlycontradictory channelssingle recorded words all communicationany conversation"93% is nonverbal" scope loss at every step
The Human Layer

The 93% Myth: What Mehrabian Actually Measured

The 7-38-55 rule came from two 1967 studies on single recorded words with contradictory affect. What they measured, and why the generalisation fails on arithmetic alone.

August 11, 20268 min read
this person's normal deviation this topic costs more low-pressure high-cost questions →
The Human Layer

Baseline First: Why Body Language Means Nothing Without Context

Humans detect deception at barely above chance, and training raises confidence without raising accuracy. Why gesture dictionaries fail, and what replaces them.

August 11, 202610 min read