Saturday, March 13, 2010

other persons had seen the phenomenon

The entire Online Dating Industry for serious daters in 1st World Countries is a HOAX, performing as a Big Online Casino, with low successful rates.

Here are some proofs/evidence:

- No actual online dating site offering a compatibility matching method [eHarmony, True, Meetic, Chemistry, PerfectMatch, Be2, Parship, MyType, RewardingLove, PlentyOfFishChemistryPredictor and others] has a credible peer reviewed Scientifc Paper by Academics (public scrutiny of findings) from different Universities showing its matching algorithm can match prospective partners who will have more stable and satisfying relationships with low divorce rates than couples matched by chance, astrological destiny, personal preferences, searching on one's own, or other technique as the control group.

eHarmony, True, Meetic, Chemistry, PerfectMatch, Be2, Parship, MyType, RewardingLove, PlentyOfFishChemistryPredictor, no one has published any credible peer reviewed Scientific Paper about the effectiveness/efficiency of their matching algorithms.

They are all like placebo, because they have less or at least the same precision as searching on one's own OR less or at least the same precision as recommendation engines [in the range of 3 to 4 persons compatible per 1,000 persons screened]

The success rate* of Chemistry is less than 6%**.
The success rate* of eHarmony is less than 10%**.
*success rate == percentage of persons who leave the site because they found someone compatible for long term mating with commitment.
**estimated by Fernando Ardenghi using reverse engineering.

The majority, over 90% of their members are not going to achieve a long term relationship with commitment (or marriage) using those sites.

- eHarmony 2 billion served
Shows its matching method is like a machine gun shooting flowers, good for nothing.

- Helen Fisher publised the book "Why Him? Why Her?: Finding Real Love By Understanding Your Personality Type" for marketing purposes but she never published a paper for public and Academic scrutiny of her findings.

- Markus Frind is his blog post "New Research Study raises questions about the scientific validity of some matchmaking sites.", he had written "...markus Says: July 27, 2009 at 5:11 pm my test is only 20% better than chance. But its not validated and neither is any other sites test. ....."

- Complaints from dissatisfied customers in differents blogs / forums you can find using Google.

- paper "Do Online Matchmaking Tests Work? An Assessment of Preliminary Evidence for a Publicized Predictive Model of Marital Success" North American Journal of Psychology, 2004, Vol. 6, pp. 507-526, that says at page#15 "....development and validation of online compatibility testing; and disclosing those findings for public and academic scrutiny without divulging proprietary information.... " Year 2010, still waiting for eHarmony, PerfectMatch, Chemistry, Meetic, Be2, Parship, and others.

- article "Researchers Skeptical of Claims by Online Dating Sites"

- The comic "Zack Hill's mom joins eHarmony"
Lois: Are you telling me that out of all these guys, you didn't like one?
Jan: I did not.
Lois: This is like the phone directory for a small town!
Jan: The town of LoserVille.

- The report from Catalyst Group

- Info from
although that paradox is not true. The author says "Online Dating Paradox If there are plenty of fish in the sea, why isn't anyone biting? ... online dating is much harder than traditional dating. ..." because he could not identify well the phenomenon, the Online Dating Sound Barrier.

The entire Online Dating Industry for serious daters in 1st World Countries has:
* No Legislation.
* No Quality Norms.
* Low reliable background checks.
* Divorce rates are still very, very high.

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