Test the size of your vocabulary(statistically)

Ran across this clever test that gives you a list of words and asks if you know them.  The list is special in that it is a list ordered by frequency of use in the English language.  The more you know of the lesser used words the more likely your vocabulary extends to that point and thus the program derives and estimate of the size of your vocabulary.

Leaving aside the sticky discussions of what is a word, do we include the inflected forms, what about technical terms, etc. My vocabulary is...

To put that in context I am in the 90th percentile or top 10th percentile for my age group on this particular test.

Try it yourself.  - http://testyourvocab.com/

I don't know his name but his face sure rings a bell...face blindness tests

A tweet or two and the requisite post on BoingBoing about Oliver Sax and his prosopagnosia—or "face blindness" pointed me to the faceblind.org testing site to see if I was good at recognizing faces or not. I think I am pretty good at recognizing people, it is the names that I have a hard time with.

The test confirmed by suspicion. I am pretty good at recognizing faces. For the unfamiliar faces test the results are below:



With a 93% vs. an average of 80% or an even lower 65% which might indicate someone has some face blindness. The test faces were creepy and generic. I guess that is on purpose to remove other cues.

For the famous faces test, the results are below:

I got 97% correct, vs. an average of 85% or even 50% indicating some face recognition difficulties.

I don't know his name but his face sure rings a bell...