Education5 min read
What a Brain Age Score in an App Actually Is
An app's brain age is a performance index mapped onto an age label by the publisher. A research brain age is derived from MRI. The two share only a name.
383 articles · page 15 of 16
Education guides, page 15
Articles 337–360 of 383, newest first. The introduction to this reading list, its topic hubs and the guides other articles cite most are on the first page.
Education articles 337–360
- Education7 min read
Free Tier or Subscription: What a Brain Training Paywall Buys
Paywalls here usually gate catalogue access, session choice and reports rather than a different kind of exercise. No prices, just the structure to check.
- Education6 min read
What IQ Tests Actually Measure, and What They Leave Out
An IQ test samples a few reasoning and memory tasks, then reports a rank against a comparison group. Here is what a battery covers and what it never touches.
- Education5 min read
Late Antiquity: The Age Historians Added Between Rome and the Middle Ages
Late antiquity covers roughly the third to the eighth centuries. Here is what the label was invented to fix, who it covers, and why its edges stay soft.
- Education5 min read
What Actually Makes an Event a Turning Point
Turning point is used as a compliment rather than an argument. Four tests that separate a real hinge from a memorable date, applied to two cases.
- Education6 min read
Processing Speed as a Concept, and How It Gets Measured
What processing speed means as a psychological construct, how it is measured, and why the response time an app records is a task time rather than a score.
- Education6 min read
What Actually Started the First World War
The assassination was the trigger, not the cause. Alliances, mobilisation timetables and a century-old war-guilt argument, with the positions attributed.
- Education6 min read
Why the Average IQ Score Is Always 100
The average is 100 because the scale is built that way, and it is reset to 100 every time a test is renormed. That single fact reframes the whole category.
- Education5 min read
What Was Happening in China, Africa and the Americas While Rome Ruled
A genuine slice through the first five centuries CE: Han China, Teotihuacan, Aksum, the Nasca lines and Buddhist monastic South Asia, all at once.
- Education7 min read
What to Do When Two Sources Give Different Dates
Two reliable books can date the same event differently and both be right. The four usual causes, and how to work out which one applies.
- Education6 min read
Who Built the Great Monuments, and How We Know
Attribution for famous buildings runs from firm inscriptions to pure inference. Five cases show what the evidence supports and where the named architect stops.
- Education5 min read
Who Invented the IQ Test, and What It Was Built For
Alfred Binet and Theodore Simon built the first practical intelligence scale in 1905 to find schoolchildren who needed help. Here is how its purpose drifted.
- Education6 min read
Why You Are Slow at Mental Math: Five Different Causes
Slow mental arithmetic has several distinct causes, and each needs a different fix. Here is how to tell them apart from your own accuracy and timing record.
- Education5 min read
Why Civilizations Collapse, and Why Historians Argue About the Word
Collapse covers four different outcomes that rarely happen together. What the archaeology now says about decline, reorganisation and survival.
- Education7 min read
Why the Divisibility Rules Work
Every divisibility rule is a statement about what powers of ten leave behind. Here is the reasoning for 2, 3, 4, 5, 6, 8, 9, 10 and 11, worked out.
- Education5 min read
Why Historical Eras Overlap Instead of Ending Cleanly
Era boundaries are analytical tools, not events. Here is why one century can sit in two eras at once, and how to read a timeline that says so.
- Education6 min read
Why Studying the Past Is Worth Your Time
Concrete reasons to study history, the skills it actually trains, and an honest account of what history does not do, including predicting.
- Education6 min read
Why Practice Scores Stop Improving, and What to Change
A flat practice score has four common causes, and they need different fixes. Here is how to read your own accuracy and timing record to tell them apart.
- Education6 min read
Why the Industrial Revolution Began in Britain
Coal, wages, institutions and colonial markets: the competing explanations for Britain's head start, and how industrialisation then spread and reversed.
- Education5 min read
Women Who Ruled: Sovereigns From Hatshepsut to Catherine the Great
Female sovereigns were a recurring political form with recurring legitimation problems. What the evidence shows, and why so many records were defaced.
- Education6 min read
Working Backwards: Solving a Problem From Its Answer
Know where a process ended but not where it started? Invert each step and reverse the order. Worked chains, the order trap, and how to check a result.
- Education7 min read
Wu Zetian and the Trouble With Hostile Sources
The only woman to rule China as emperor is known through histories written by men who thought her reign was an aberration. How historians read that record.
- Education7 min read
Zheng He's Treasure Fleets and Why the Voyages Stopped
Ming China sent seven huge fleets into the Indian Ocean, then stopped. What the voyages were for, why they ended, and why the ship sizes are disputed.
- Education7 min read
Choosing a History App for Students: What to Look For
What actually separates a useful history app from a quiz with a nice theme, and the cases where a book or a free course is the better answer.