why aren't all 12 resolved? a statement only gets an assessment when the public
record can support or contradict it. opinions and what-ifs never can, and 0 checkable
ones are still open, waiting for their date. predictions held up or didn't;
assertions are supported or contradicted. on every card:
▮▮▮▮▮ certainty ·
▮▮▮▮▮ debate potential. speakers are clickable
Assertion Contradicted
eHarmony couples had nearly half the divorce rate of offline couples
“The couples that met on eHarmony also had a low divorce rate, so nearly half of what the marriages that met actually offline.”
Assertion Supported
eHarmony accounted for a quarter of online dating marriages from 2005-2012
“So about a quarter of all the marriages from online dating had met on eHarmony.”
Assertion Supported
One in three U.S. marriages between 2005 and 2012 began online
“One in three marriages in this period, so that was from 2005 to 2012, met online.”
Assertion Not checkable as stated
Petricek: Obstreperousness is predictive of long-term marital satisfaction
“One of these dimensions that's quite predictive is obstreperousness.”
Assertion Not checkable as stated
eHarmony data shows communication peaks when men are 4-8 inches taller
“The highest probability of communication between two people is when the height difference is between four to eight inches, when the male is four to eight inches taller.”
Disclosure
eHarmony only introduces couples predicted to be in upper quartile of satisfaction
“And we only introduce them if they fall into the upper quartile. If there is a very high probability that they will be in the upper quartile in terms of satisfaction.”
Assertion Not checkable as stated
eHarmony finds matching vegetarians yields the highest positive success lift
“For vegetarians, this is the biggest positive lift versus, like, a normal average match that we make.”
Assertion Not checkable as stated
eHarmony has data on about 40 million registered users
“We have this data on about forty million users who have registered on eHarmony you know, since the beginning, and we know all these attributes about them”
Disclosure
Petricek: eHarmony has fewer than 10 people on machine learning
“Ah, so eHarmony has about 200 people in Santa Monica. We have a few offices around the world, and in terms of technology, we have about 50% tech, but still, like, a lot of people are building the site, infrastructure, and so on, so matching is about twenty-ish…”
Disclosure
Petricek: eHarmony builds localized compatibility models for each country
“What we do is whenever we were rolling out in a new country, we first redo the compatibility model. So we take a new sample, a representative sample of marriages, and we have specific models for that locale in terms of compatibility. And then on the large-scal…”
Disclosure
Petricek: eHarmony asks users about 150 questions to model personality
“We ask actually about 150 questions these days, which give us a very good snapshot of the personalities of people.”
Disclosure
eHarmony relies on Vowpal Wabbit as its main machine learning tool
“Our workhorse is Wopal Wabbit, up there on the right, which came out of Yahoo Research.”