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Sunday, October 13, 2013

The writing test

I'm one of the scorers for the SAT essays. That factual accuracy is not required can get annoying, particularly when you get essays that say Einstein invented the lightbulb or that Shakespeare was a novelist. Then there are the literary analyses that give me the sensation of nails on a chalkboard because they do so miss the point.
 However, as the essays cannot be predicated on any prior knowledge of a subject, the rule is that the score cannot suffer for student ignorance. What the test is about is not making stuff up so much  Matthew J.X. Malady  asserts  in We Are Teaching High School Students to Write Terribly, but in being able to formulate a position with backup on the fly. 

Here's an extract:

 “In fact, trying to be true will hold you back.” So, for instance, in relaying personal experiences, students who take time attempting to recall an appropriately relatable circumstance from their lives are at a disadvantage, he says. “The best advice is, don’t try to spend time remembering an event,” Perelman adds, “Just make one up. And I’ve heard about students making up all sorts of events, including deaths of parents who really didn’t die.”
Now, you have to remember that students are only be scored for the effectiveness of their writing. The question of truth here is irrelevant. No one is supposed to win extra points out of sympathy for their situation here. The stuff of make believe is not just a component in creative writing but can work for expository writing when offering hypothetical examples for illustration. 

The real problem is not making stuff up and deviating from facts but canning essays. As the questions are fairly general, some SAT prep places advise students to jut plan an essay ahead of time and then just connect it to the question in the introductions. No matter what the prompt is, these students come in prepared to write about Martin Luther King, Jr. and Rosa Parks, or The Great Gatsby, or the American Revolution.  In truth, they can get away with it a lot of the time, but every once in a while, there is a prompt that really doesn't fit the canned essay. On those occasions, no matter how well stated and developed the essay is unto itself, its score will suffer for not being on target.


Another assertion I find not to be true in my extensive scoring experience is this:

 Most students choose to write what is referred to as “the standard five-paragraph essay”: introductory and concluding paragraphs bookending three paragraphs of support in between. Each essay is later independently graded by two readers in a manner that harkens to the famous I Love Lucy scene wherein Lucy and Ethel attempt to wrap chocolate candies traveling on an unrelenting conveyer belt.


Scorers are specifically warned not to award or deduct points for students who opt for the 5 paragraph essay. As a point of fact, most essays I see, particularly the ones that score a 5 or 6 tend to incorporate fewer than 5 paragraphs, though the essays typically do cover both pages. Also the idea of two scorers is one that colleges also use when scoring writing assessment tests, as I remember from my days as an instructor. It's meant as a check on standards -- in case one scorer will tend to be too harsh or too lenient. They two reader system  is nothing like the chaotic image that Malady attempts to evoke with her television reference.  Is it possible that the writer here has fallen in the the fault he attributes to the SAT essay exam? He has opted for expressing what he feels will resonate with readers rather than for digging up the actual facts.

Now, I'm not saying that the SAT essay is a perfect way to assess student writing. Certainly, some students can do a much better job if only they were given more than 25 minutes. However, it is not the be-all-and-end-all of writing standards. Certainly, from what I see in high schools teachers continue to assert their own writing standards (and many of them still push the 5 paragraph essay) rather than train their students to write for the SAT exam.

Wednesday, October 9, 2013

Google and MOOC.org

Google sees the partnership as a way to support educational innovation. "Our industry is in early stages of MOOCs, and lots of experimentation is still needed to find the best way to meet the educational needs of the world. An open ecosystem with multiple players encourages rapid experimentation and innovation, and we applaud the work going on in this space today," Dan Clancy, director of research at Google wrote.
Throw enough spaghetti at the wall and eventually some should stick. That’s the approach here. If we build a system to accommodate large numbers, eventually someone will stumble on what actually works. It’s the pursuit of innovation through trial-and-error on a large scale.

Friday, October 4, 2013

Why you may feed the trolls

Just had a thought: does anyone offer trolls for hire? As having antagonistic comments on posts increases total comment numbers because the hate attracts defense comments from people who otherwise might not have commented. And, of course, keeping the debate going keeps things going. 

Thursday, September 12, 2013

The face of analytics is yours

Do personalized offers make you smile? Or do you value privacy over customized shopping experiences? Read about the facial recognition technology at work to sell you more stuff in

Putting a Face on Retail Analytics


Sunday, September 8, 2013

A wealth of educational materials available free

With September here, students and teachers are back in school.  Instead of just repeating the same lesson plans they used in previous years, teachers have a new way to convey the material to their students through a free service called Gooru. Drawing on the power of big data to enhance learning,  Gooru offers teacher and student a curated and sharable playlist of educational materials.
Read more in 

Back to School With Big Data

  

Tuesday, September 3, 2013

Bitcoin: the stereotype, reality, and possibilities

Bitcoin wants to emerge from its somewhat shady reputation as a currency for folks with something to hide and become a useful tool for legitimate business. Some say it can even do more -- like alleviate poverty and disease in Third World countries. Read more in 

Bitcoin: A Stereotype & a Possibility

Thursday, August 29, 2013

Sometimes memes get to me

I try really hard not to be a Grammar Nazi online. Even when I cringe at obvious errors, I restrain myself from pointing them out, though I sometimes do contact the writer if s/he will have the ability to fix it.

Many errors appear in memes. The one that made me feel impelled to address a grammar problem is this one:
You can say "How a dog looks after doing something bad." Or you can say,  "What a dog looks like after doing something bad." However, you have to toss either the"how" or the "like." As they both serve the same function in this sentence,  the two together are redundant. It's rather like this sentence, "The reason I didn't get my homework done was because my computer crashed." That should be, "I didn't get my homework done because my computer crashed."

3D printing in the cloud: it's not just fun and games

One of the delights of writing for The Enterprise Cloud Site is learning about things that sound unlikely but really do exist, like the Society for Printable Geography. The printable does not refer to traditional maps but to 3D printing, which renders geographical data into iPhone cases, pendants, earrings, and puzzles.
All this is made possible by Sculpteo, a company that combines 3D printing with a cloud engine. Howevr, 3D printing is not just for hobbyists and collectors. It has many applications in robotics, architecture, scientific research, and education.  Read more in 3D Printing, Cloud Engine Revolutionize Manufacturing

Wednesday, August 28, 2013

Dictionary updates

The Oxford English Dictionary wants to show itself to be keeping up with trends and trendy words, some of which  you may wish you never heard of. Its blog has post Buzzworthy words added to Oxford Dictionaries Online – squee! has been paraphrased by a number of other online news sources already. But odds are good that this is the only one not to include a picture of Miley Cyrus demonstrating a move in the not Disney approved dance known as twerk (one of the additions).

Those who are interested in the digital currency movement may be happy to see that bitcoin makes it in (in the lower case form).  And in a nod to something that's been practically beaten to death in tech circles, BYOD is there. It's intersting to see how many of these are underlined by Blogger's spell check, about half I'd say, including the title's own "squee" and "selfie," another word we may wish we didn't have to have.
Here's the full list of Oxford's updates.

unlike 

Friday, August 9, 2013

A kind of nutrition label for apps

Your mobile apps know a lot about you: what you buy, how you pay for it, what you browse, and where you are when you do it. To get some idea of just how much data is collected about you and who else gets to see it, click on Target’s privacy policy http://m.target.com/spot/terms/privacy-policy#InformationUsed. While that information on data collection is available, most customers probably never bother to check it.  The question is if a voluntary code of conduct for apps that summarize the information upfront will provide better consumer privacy protection.  The NTIA believes it can, but as it is something companies are not required to opt into, its critics regard it as a diversion from more effective legislation.

Rather like the nutrition facts label on food packages, the short notice on apps is intended to which reveal at a glance how much of what you don’t want in your diet is in it. Also like the packaged food industry, the voluntary code frees companies from a mandatory label that might rate its data collection policies according to a government standard.


There's a parallel to the nutrition labels printed on packaged food. If there were a legal mandate, then all apps could have a point rating to reflect how privacy-friendly (or not) they are. But without that, it's up to companies to be self-regulating, as it were, and voluntarily decide to briefly show some of its data collection facts.
This week's Advertising Age includes http://adage.com/article/news/big-food-preps-50m-push-facts-front-labeling/243475/. The food manufacturer want to avoid having a legal mandate, so they are spending $50 million to promote what they call ad "Facts Up Front." The idea is that putting that nutrional summation on the front of the package will satisfy those who are critical of the way they have represented sugary cereals and such as sound nutritional choices without having to accept an offical label that is not within their own control like the grade system recommended by the Institute of Medicine. With such a label, the foods that contain more fat, sodium, or sugar than the benchmarks set for them would get no stars at all. 

Thursday, August 8, 2013

Blame the ship logs for this word


In my review of Orwell's Down and Out_, I mention that he devotes a whole section to analyzing swear word, though  "bloody"is the only one that makes it into print in the 1933 book; all the others are just represented by dashes in that wonderfully quaint Victorian device. 

 I'm not sure at exactly what point all that's fit to print allowed for more explicit language to be allowed into books, though I'd venture it was after 1970. Stephen Birmingham seems to get a kick out of including one in acronym form, saying that  "For Unlawful Carnal Knowledge" was recorded in that fashion in ships' logbooks next to records of punishment.  See the footnote on p. 271 of The Grandees.
I did a brief Google search and haven't found anyone who says he is mistaken in the etymology of the word.

Thursday, August 1, 2013

Your email organized

Imagine coming into your office and finding all your files rearranged for better organization. You get a note saying: “You’ll now find your important files here, your social media files here, and your promotions over there.”
That’s just about what Gmail did with inboxes a few weeks back. While I don’t really mind having my email organized according to the Gmail system, Google's ability to make the change really drove home the point to me that email metadata is open for use.
Read more in Learning About You From Your Email Metadata.

Pictured here is an example of the raw metadata sent to me by the Immersion team at MIT.