Human Operating System·14h agoDoes Texting Affect Spelling and Grammar?The study behind the texting-ruins-grammar headline explained under 5% of the variance; following children for a year found texting linked…
Human Operating System·1d agoThe Video Deficit Effect: Young Children Learn Less From Screens - and the Meta-Analysis Found…Toddlers learn less from video than from a person, but a meta-analysis found publication bias, and a responsive adult on a video call…
Human Operating System·2d agoOne Laptop per Child: Two Randomised Trials, Ten Years, and No Effect on LearningTwo randomised trials in Peru and a natural experiment in Romania put computers in children’s hands. Digital skills rose; test scores and…
Human Operating System·3d agoDo Binaural Beats Help You Focus? Two Meta-Analyses Say Yes, Two Attention Experiments Say NoTwo meta-analyses find positive pooled effects, but direct sustained-attention experiments and the EEG literature complicate the claim that…
Human Operating System·4d agoThe Vigilance Decrement: Attention Really Does Decay, and the Famous Lecture Number Came From a…Attention on a long monitoring task really does fade, as radar research showed in 1948. The popular ten-minute lecture limit has no primary…
Human Operating System·5d agoDoes Caffeine Help You Focus? It Speeds You Up; Whether It Makes You Sharper Is DisputedCaffeine reliably makes you faster. Whether it makes a daily coffee drinker sharper, or only undoes overnight withdrawal, is still argued…
Human Operating System·6d agoThe F-Pattern: Nobody Measured How Much of a Page People ReadThe F-pattern is a real but narrowed observation, and the claim that people read 20 to 28% of a page was converted from dwell time, not…
Human Operating System·Nov 6“Only 1 Left in Stock”: A Regulator Made Five Booking Sites Stop, and the Counters Mostly Are Not…Most countdown timers in a large crawl could be shown to be fake; most low-stock counters could not. The CMA case, the scarcity…
Human Operating System·Nov 5Why Are CAPTCHAs So Hard? Because They Stopped Working on Machines in 2014Research on CAPTCHA solving reveals the human cost, accessibility barriers, machine success rates, and limits of widely repeated…
Human Operating System·Nov 4Is Dark Mode Better for Your Eyes? No Controlled Study Has Found That It IsEye strain, sleep and battery life: what controlled studies actually measured about dark and light display modes, and the one place where…
