It's more than just a disease, it has a damaging psychological effect," explains Sorbie.
A similar effect explains why some forms of currency seem more valuable than others.
This ripple effect explains why governors, mayors and economic development officials are so eager for foreign investors.
Applied to eating, the Coolidge effect explains not only the success of fad diets but also the increase in obesity over the past century.
The founder effect explains the high incidence of Huntington's neurodegenerative disease in the Lake Maracaibo region of Venezuela, and of Tay-Sachs disease among Ashkenazi Jews.
In this case, teleology amounts to the existence of causal relations in which the effect explains or is responsible for the cause.
In effect, explains John Hagel, a noted American e-commerce expert, ERP systems have replaced "fragmented unit silos with more integrated, but nonetheless restrictive enterprise silos".
Some psychologists speculate that "the exposure effect" explains at least one aspect of celebrity lust: a face that might not turn heads on the street becomes more attractive the more we see it.
The placebo effect explains a lot of it, says psychologist Irving Kirsch of the University of Plymouth - the idea that if you believe in a medical intervention enough, whether it is surgery or God's love, it can affect your health.
That piggybacking effect explains NeoPlanet's long list of compatibility features (Java, Flash, RealVideo, and so on), as well as its convenient ability to import your Internet Explorer bookmarks and e-mail settings.
The enhancer effect explains why, if you've ever looked at a crowd photo and had somebody point out the face of, say, a young Franklin Roosevelt or George Clooney in the throng, the celebrity's image will leap out at you thereafter as though lighted from behind.
