The perturbation is a projection of the mistake types made by learners; in the expressions of perturbation, the perturbation operators expressing differences between the learner's erroneous and correctness knowledge are used.
You see, up until just a few minutes ago (at which point HTC presumably went "OH CRAP" and fixed their mistake), typing "HTC Sensation" into Google would show a page of results with the ad shown above on top.
You might simply have made a mistake typing your email address or password.
Give them lots of ways to contact you; quick contact, email, phone, case evaluation form, set an appointment online etc. Have a "top ten mistakes" type list.
Six error types (Table 1) were present in the pronunciation of more than 50% of the target group in more than 50% of the cases in which a mistake in those error type categories could be made.
It's fine if she wants to keep her Evanescence CDs... just make sure she does not mistake that type of band as goth and knows what real goth music is.
Mistaking the type of question being considered is the most common error in data analysis.
"Often there are lapses and oversights and mistakes, that type of thing," Mr. Lacey said, shortly after notifying the airline, based in Seattle, that it could continue operating.
I think that 20 to 30 years ago nonfundamentalists in America did make a great mistake by typing them, by hillbillying and backwoodsing and holy-rollering them.
But a lot of times they were just making a mistake and typing it in the wrong box.
Once an analysis is reproducible, the key question we want to answer is, "Is this data analysis correct?" We have found that the most frequent failure in data analysis is mistaking the type of question being considered.
