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Roland Gesthuizen

Cheating in Computer Science - 3 views

ubiquity.acm.org/article.cfm

plagiarism collaboration cheating assessment teaching programming

shared by Roland Gesthuizen on 29 Dec 10 - No Cached
  • we have gotten the cart before the horse. We are less concerned with whether students learn the right thing than whether they learn in the way that we rely upon to measure how well they learn when compared to their peers. We do this without even having considered whether the measurement is even useful, much less necessary or even counter-productive.
  • We do it for no better reason than tradition, habit, and inertia.
  • I no longer teach programming by teaching the features of the language and asking the students for original compositions in the language. Instead I give them programs that work and ask them to change their behavior. I give them programs that do not work and ask them to repair them. I give them programs and ask them to decompose them. I give them executables and ask them for source, un-commented source and ask for the comments, description, or specification.
  • ...1 more annotation...
  • As a teacher, my job is to help students learn, not create artificial barriers to learning in the name of equitable grading. Nice people do not put others in difficult ethical dilemmas. Grading should be a strategy for making learning more satisfying by demonstrating accomplishment.
  • Roland Gesthuizen on 29 Dec 10
     
    "Bill Murray approaches the teaching-learning system as a game in which students, teachers, and others play various roles. He wonders whether the game itself encourages cheating, and suggests that teachers could restructure the game so that cheating is less rewarding and less likely."
  • Roland Gesthuizen on 29 Dec 10
     
    Fascinating essay about assessment and cheating, and how teachers have created this situation.
Tony Searl

What is data science? - O'Reilly Radar - 1 views

radar.oreilly.com/...what-is-data-science.html

data datascience trends collaboration learning resources LAK11

shared by Tony Searl on 22 Dec 10 - Cached
  • how to use data effectively -- not just their own data, but all the data that's available and relevant
  • Increased storage capacity demands increased sophistication in the analysis and use of that data
  • Once you've parsed the data, you can start thinking about the quality of your data
  • ...20 more annotations...
  • It's usually impossible to get "better" data, and you have no alternative but to work with the data at hand
  • The most meaningful definition I've heard: "big data" is when the size of the data itself becomes part of the problem
  • Precision has an allure, but in most data-driven applications outside of finance, that allure is deceptive. Most data analysis is comparative:
  • Storing data is only part of building a data platform, though. Data is only useful if you can do something with it, and enormous datasets present computational problems
  • Hadoop has been instrumental in enabling "agile" data analysis. In software development, "agile practices" are associated with faster product cycles, closer interaction between developers and consumers, and testing
  • Faster computations make it easier to test different assumptions, different datasets, and different algorithms
  • It's easer to consult with clients to figure out whether you're asking the right questions, and it's possible to pursue intriguing possibilities that you'd otherwise have to drop for lack of time.
  • Machine learning is another essential tool for the data scientist.
  • According to Mike Driscoll (@dataspora), statistics is the "grammar of data science." It is crucial to "making data speak coherently."
  • Data science isn't just about the existence of data, or making guesses about what that data might mean; it's about testing hypotheses and making sure that the conclusions you're drawing from the data are valid.
  • The problem with most data analysis algorithms is that they generate a set of numbers. To understand what the numbers mean, the stories they are really telling, you need to generate a graph
  • Visualization is crucial to each stage of the data scientist
  • Visualization is also frequently the first step in analysis
  • Casey Reas' and Ben Fry's Processing is the state of the art, particularly if you need to create animations that show how things change over time
  • Making data tell its story isn't just a matter of presenting results; it involves making connections, then going back to other data sources to verify them.
  • Physicists have a strong mathematical background, computing skills, and come from a discipline in which survival depends on getting the most from the data. They have to think about the big picture, the big problem. When you've just spent a lot of grant money generating data, you can't just throw the data out if it isn't as clean as you'd like. You have to make it tell its story. You need some creativity for when the story the data is telling isn't what you think it's telling.
  • It was an agile, flexible process that built toward its goal incrementally, rather than tackling a huge mountain of data all at once.
  • we're entering the era of products that are built on data.
  • We don't yet know what those products are, but we do know that the winners will be the people, and the companies, that find those products.
  • They can think outside the box to come up with new ways to view the problem, or to work with very broadly defined problems: "here's a lot of data, what can you make from it?"
Tony Searl

Relationships and Uncertainty Matter Most: David Brooks in the New Yorker on Educationa... - 7 views

www.connectedprincipals.com/...2354

relationships uncertainty

shared by Tony Searl on 21 Jan 11 - No Cached
Ruth Howard liked it
  • Brooks is arguing for a teaching that prioritizes inquiry, analysis, and process rather than mastering basic skills and learning the classics
  • inquiry based approach where students discuss and debate ideas, understand the importance of critically examining accepted wisdom, seek out new information and new sources and put them into the mix, construct their own answers and put them into play against other perspectives, deepening their understanding as they build their cases and accumulate more evidence for their point of view, yet still respectfully recognizing the possible validity of other points of view.
  • any environment where students and teachers are on the same inquiring side, exploring ideas and making meaning together.
  • ...2 more annotations...
  • school effectiveness is measured solely by test scores on multiple choice tests, and not on whether students are deeply connecting with teachers or whether they are developing deeper understanding, a sense of nuance, a respect for multiple perspectives, a creativity that finds and then assesses many possible right answers.
  • how can we reconcile this January 2010 New Yorker Brooks with that December 2008 New York Time Brooks?
  • Tony Searl on 21 Jan 11
     
    She stressed the importance of collecting conflicting information before making up one's mind, of calibrating one's certainty level to the strength of the evidence, of enduring uncertainty for long stretches as an answer became clear, of correcting for one's biases.
Rhondda Powling

Glassboard. Private group sharing done right. - 2 views

glassboard.com

collaboration apps sharing group android Glassboard mobile devices mobile

shared by Rhondda Powling on 06 Oct 11 - No Cached
  • Rhondda Powling on 06 Oct 11
     
    Glassboard is an app for Android, Windows, and iOS phones that enables you to create and participate in private groups. Using the app you can create and participate in as many groups as you like. You can specify which groups can see the content you share and you can share notes, links, pictures, and videos. The content you share and the content others share with you is displayed in a news feed on your mobile device.
Kerry J

Your Facebook secrets: jobs under threat - Technology - smh.com.au - 0 views

www.smh.com.au/...1238261699036.html

twitter privacy rights freedomofspeech dissent civilliberties

shared by Kerry J on 02 Apr 09 - Cached
  • Kerry J on 02 Apr 09
     
    Making seemingly private comments on social networking sites such as Facebook and Twitter is now a sackable offence for some professions.
Certificate IV Assessment

Certificate IV in Training and Assessment: The Key to New Career - 6 views

The Certificate IV in Training and Assessment is the right course for enhancing and advancing the skills of employees in our company. For those who wanted to be employed as a nationally recognised ...

Certificate IV in Training and Assessment

started by Certificate IV Assessment on 25 Oct 11 no follow-up yet
Rhondda Powling

Which Creative Commons License is Right for me? - 2 views

www.labnol.org/...14208

creative commons cc digital citizenship internet literacy

shared by Rhondda Powling on 08 Jul 14 - No Cached
  • Rhondda Powling on 08 Jul 14
     
    A useful comic poster from CC Poland offers a good resource to begin discussions about Creative Commons. 6 types of licenses are discussed with with their separate conditions attached to each of them. "
Lisa Sympson

Monthly Loans For Bad Credit- Get Fast Cash Support That Is Well Right For Your Needs - 0 views

www.monthlyloansforbadcredit.co.uk/faqs.html

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shared by Lisa Sympson on 19 Jan 16 - No Cached
  • Lisa Sympson on 19 Jan 16
     
    Are you seeking for the fast monetary support till your next payday? If yes, you can be relevant for monthly loans for bad credit. These loans scheme arrange you with immediate money from online lender with simple repayment terms. You can easily overcome all your sudden fiscal worries in easy manner.
xbyte-technolabs

Top 10 Mobile App Development Companies in India 2019 - 0 views

www.xbyte-technolabs.com/opment-companies-in-india-2019

Mobile App Development Companies in India 2019

shared by xbyte-technolabs on 02 Feb 19 - No Cached
  • xbyte-technolabs on 02 Feb 19
     
    Can you find the right & best Mobile App Development Companies in India? Here, you can get the list of the best Mobile App Development Companies in India 2019.
ava777

Portable Wall Electric Heater - 0 views

The easy to move portable heater can be mounted to a ceiling joist or wall and is made for smaller garages, professional workshops Wonder heater plug in is the whole room space heater that plugs ri...

started by ava777 on 14 May 19 no follow-up yet
ava777

Fingerless Glove with Flashlight - 0 views

Material: Spandex + Cotton Color: Black Mode: Left and Right Feature: Waterproof Size: Forefinger: About 4.5cm/1.77" Thumb: About 3.5cm/1.38" Distance between two finfers: About 7cm/2.76" https://w...

started by ava777 on 16 May 19 no follow-up yet
ava777

Mini Helicopter Drone Quadcopter Remote Control - 0 views

With Headless Mode,no need to adjust the position of aircraft before flying . One key to return function makes it easily to find the way home. 4 Channel which can do ascend, descend, forward, backw...

started by ava777 on 03 Jul 19 no follow-up yet
ajinkyak

What You Need To Know About Industrial Gloves Is Right Here - 0 views

coherentmarketinsights-market.blogspot.com/...-to-know-about-industrial.html

gloves industrial process cross-contamination

shared by ajinkyak on 26 Mar 21 - No Cached
  • ajinkyak on 26 Mar 21
     
    Industrial gloves are an essential item, especially in the healthcare, food & beverage, electrical, chemical, and automobile industries to maintain safe working conditions and ensure the well-being of the employees.
ibglobal

IB Global Academy,IB Tutor,IB Tutor in Delhi,IB Maths Home Tutor in Delhi,IB Maths Tuto... - 0 views

www.ibglobalacademy.com

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shared by ibglobal on 10 Jul 20 - No Cached
  • ibglobal on 10 Jul 20
     
    IB Global Academy has been helping students excel in IB Math tutor in gurgaon, IB Physics tutor in gurgaon, IB Chemistry tutor in Gurgaon, and Business Management(HL,SL) by providing the right skills for success. https://www.ibglobalacademy.com/ib-maths-tutor-in-gurgaon.html https://www.ibglobalacademy.com/ib-maths-tutor-in-delhi.html https://www.ibglobalacademy.com/ib-tutor-in-gurgaon.html https://www.ibglobalacademy.com/ib-home-tutor-in-gurgaon.html
Certificate IV Assessment

Qualified Trainers with Certificate IV in Training and Assessment - 7 views

With a talent for helping others and teaching, becoming a trainer is the perfect career progression for me. To train myself and become recognised in my chosen field, I enrolled to get a Certificat...

Certificate IV in Training and Assessment

started by Certificate IV Assessment on 26 Sep 11 no follow-up yet
shiyambabu

USA Gmail Account - 100% real and usa verified accounts - 0 views

realserviceit.com/...usa-gmail-account

USA Gmail Account

shared by shiyambabu on 26 Jul 23 - No Cached
  • shiyambabu on 26 Jul 23
     
    How can I get a USA Gmail account without a phone number? You can get a USA Gmail account without a phone number. You can buy a USA Gmail account. You can get a USA Gmail account without an address or email address, as long as you have an Internet connection, which most people do these days anyway! Does USA have Gmail? Gmail is a free, advertising-supported email service provided by Google. It's available as part of a free, advertising-supported offering called Google Apps Free Edition. Email account sign up You can create a new email account for free. To do this, follow these steps: Go to the Gmail website and click "Get started" in the top right corner of your screen. Click "Create an account." The next page will let you choose which type of Gmail account you want to create (personal or business), as well as whether or not it should be encrypted. If it's going to be encrypted, then enter your password twice; if not, then just leave those fields blank. Finally, click "Next Step."
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