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No sign-up, results stay with you.","2026-10-05","Visual memory test",{"instruction":162,"note":165,"picture":166,"resultLabel":169},{"touch":163,"mouse":164},"Look at the squares that light up, then tap the same squares.","Look at the squares that light up, then click the same squares.","Each right answer lights more squares on a larger grid.",{"kind":167,"name":168},"drawing","memory-grid","Your result",{"heading":171,"blocks":172},"How we measured this",[173,184],{"type":174,"text":175},"paragraph",[176,179,182],{"t":177,"v":178},"text","Your result is the highest level for which you marked the whole pattern correctly. Level ",{"t":180,"v":181},"num","1",{"t":177,"v":183}," lights three squares, and every level lights two more than its number. Each level is shown twice, with a new pattern each time. If you get either try of a level right you go on to the next level; if you miss both, the test ends.",{"type":185,"items":186},"list",[187,194,197,200,203],[188,190,192],{"t":177,"v":189},"The whole pattern lights together and stays on for ",{"t":180,"v":191},"3",{"t":177,"v":193}," sec.",[195],{"t":177,"v":196},"The grid starts small and grows by a row or a column as the patterns get larger, so that about two squares in five are lit at most.",[198],{"t":177,"v":199},"You may tap in any order, and tapping a marked square again takes the mark off.",[201],{"t":177,"v":202},"A pattern is judged once you have marked as many squares as lit up, and it is right only when they are exactly the lit squares.",[204],{"t":177,"v":205},"If the page goes into the background while the pattern shows, that try does not count and you see a new pattern.",3,{"mouse":14,"touch":14,"keyboard":14},{"watch":209,"answer":213,"correct":216,"wrong":220,"paused":221,"frameGap":222,"arena":223,"result":243,"flags":278},{"plural":210,"one":211,"other":212},"count","Watch. {count|int} square will light up.","Watch. {count|int} squares will light up at once.",{"plural":210,"one":214,"other":215},"Now tap the square that lit up.","Now tap the {count|int} squares that lit up, in any order.",{"plural":217,"one":218,"other":219},"next","Right. Next: {next|int} square. Press the button when you are ready.","Right. Next: {next|int} squares. Press the button when you are ready.","Not quite. Press the button when you are ready.","The page went into the background, so that try did not count. Press the button to see a new pattern.","The screen stalled for a moment, so that try did not count. Press the button to see a new pattern.",{"count":224,"watch":227,"answer":228,"cell":231,"right":232,"notQuite":233,"itWas":234,"nextUp":235,"next":238,"pausedWhy":241,"again":242},{"plural":210,"one":225,"other":226},"{count|int} square","{count|int} squares","Remember the squares that light up.",{"plural":210,"one":229,"other":230},"Tap the square that lit up.","Tap the {count|int} squares that lit up, in any order.","Row {row|int}, column {col|int}","Right","Not quite","You found {found|int} of {of|int} squares.",{"plural":217,"one":236,"other":237},"Next: {next|int} square.","Next: {next|int} squares.",{"plural":217,"one":239,"other":240},"Next, {next|int} square","Next, {next|int} squares","You looked away, so you could not see the whole pattern. A new one is ready.","Show a new pattern",{"unit":244,"unitShort":246,"unitSpoken":246,"valueSpoken":247,"fewer":249,"more":250,"best":251,"bestSpoken":252,"say":253,"details":261},{"plural":210,"one":245,"other":246},"level","levels",{"plural":210,"one":248,"other":248},"level {count|int}","Lower","Higher","Your earlier best {value|int}","Your best earlier result was level {value|int}.",{"markers":254,"notCompared":259,"history":260},{"above":255,"about":256,"below":257,"range":258},"In a small study of {people|int} young adults, the average pattern held {value|dec1} squares. Your longest pattern had {you|int}: more than that.","In a small study of {people|int} young adults, the average pattern held {value|dec1} squares. Your longest pattern had {you|int}: about the same.","In a small study of {people|int} young adults, the average pattern held {value|dec1} squares. Your longest pattern had {you|int}: fewer than that.","In a small study of {people|int} young adults, most patterns held {low|int} to {high|int} squares. Your longest pattern had {you|int}.","We did not compare this one: too many tries did not count.","We show your own results for this one.",{"summary":262,"tries":264,"try":265,"right":232,"notQuite":233,"compare":266,"historyWhy":267,"notComparedWhy":268,"legend":269,"yourBest":273,"source":275,"sourceValue":276,"markWhy":277},{"plural":210,"one":263,"other":263},"The highest level you cleared was {count|int}, over {tries|int} tries.","Your tries","Try {n|int}: level {level|int}, {of|int} squares lit. You found {found|int}.","What your result is set beside","Your result is set beside your own earlier ones in this browser.","This run is saved, but it is not set beside anything: too many tries did not count.",{"you":270,"history":272},{"plural":210,"one":271,"other":271},"Level {count|int} is your result.","The short orange ticks are your earlier results in this browser.",{"plural":210,"one":274,"other":274},"Your best result in this browser: level {count|int}.","Source","{source}, a pattern test of {people|int} young adults.","The nearest study gave {people|int} young adults a pattern test on a screen (Brown and Wesley, a version of the Visual Patterns Test). The ones who did it without a second task recalled patterns of {value|dec1} squares on average. They waited ten seconds and then marked the squares on paper, and their patterns filled half the grid, so the figure is a mark to set your {you|int} squares beside, not a ranking. Level 1 here lights three squares, and every level two more than its number. Your earlier runs are the short orange ticks.",{"false-start":279,"anticipation":280,"lapse":281,"hidden":282,"frame-gap":283,"dropped-frames":284,"aborted":285,"unfinished":286,"too-few-trials":287,"latency-unknown":288,"untrusted":289,"key-repeat":290,"uniform":291,"implausible-rate":292,"assisted":293,"low-accuracy":294,"paste-refused":295,"skimmed":296,"low-comprehension":297,"straightlining":298,"too-fast":299,"too-many-skipped":300,"prorated":301,"not-enough-answers":302,"ceiling":303,"too-many-voids":304,"frame-limited":305,"frame-unknown":306,"lower-bound":307},"Pressed before the change: those tries were done again.","Some presses were too quick to be reactions: those tries were done again.","Some tries were too slow to count.","The page went into the background: that part was not counted.","The screen stalled for a moment: that try was done again.","The screen was slow to change on some tries: those times may be a little short.","Stopped before the end.","Not finished.","Too few tries counted to give a result.","The browser did not say how long its sound takes to play, so the times include an unknown delay.","Some presses did not come from your own touch, click or key and were ignored (a script or another program).","A held key repeated by itself: the repeats were ignored.","The presses came at evenly spaced intervals, like a machine's: the result is kept but not compared.","Faster than one finger can tap: runs with several fingers are kept but not compared.","Your keyboard corrected or predicted some words for you, so this run is not compared.","Too few answers were right to compare this run.","Pasted text was left out: only what you typed counts.","The text was on screen too briefly to have been read, so the reading speed is not compared.","Too few questions about the text were answered right, so the reading speed is not compared.","Many answers in a row were the same, also where statements point in opposite directions: the result is shown but not compared.","You answered very quickly, in under a second per statement on average, so this result is not compared with others.","Too many statements were left out to give a result.","Some statements were left out: their scales were completed from your other answers.","A scale has too few answers for a result.","You reached the end of the test, so your true result may be higher.","Too many tries were not counted (the page was in the background or the screen stalled).","The browser reports the mouse once per screen frame, so this is the screen's rate, not the mouse's.","The screen's frame rate is unknown, so it cannot be told whether this is the mouse's rate.","Many reports arrived together: the mouse reports at least this often.",1791315154296]