Essay about my pet peeves

This time featuring the lovely country of France, because well, who can resist a country that creates superior wine, beautiful art and genetically blessed people? I think 69 facts is quite fitting. There is a Victor Hugo street in every town in France.

Essay about my pet peeves

How experts recall chess positions By Daniel Simons, on February 15th, Ina computer Watson outplayed two human Jeopardy champions. Inchess computer Deep Blue defeated chess Essay about my pet peeves Garry Kasparov. Defeating humans in these domains took years of research and programming by teams of engineers, but only with huge advantages in speed, efficiency, memory, and precision could computers compete with much more limited humans.

What allows human experts to match wits with custom-designed computers equipped with tremendous processing power? Chess players have a limited ability to evaluate all of the possible moves, the responses to those moves, the responses to the responses, etc.

Even if they could evaluate all of the possible alternatives several moves deep, they still would need to remember which moves they had evaluated, which ones led to the best outcomes, and so on.

Computers expend no effort remembering possibilities that they had already rejected or revisiting options that proved unfruitful.

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This question, how do chess experts evaluate positions to find the best move, has been studied for decades, dating back to the groundbreaking work of Adriaan de Groot and later to work by William Chase and Herbert Simon. The relatively small differences between experts and novices suggested that their advantages came not from brute force calculation ability but from something else: According to De Groot, the core of chess expertise is the ability to recognize huge number of chess positions or parts of positions and to derive moves from them.

In short, their greater efficiency came not from evaluating more outcomes, but from considering only the better options. But de Groot was right about the limited nature of expert search and the importance of knowledge and pattern recognition in expert performance.

Essay about my pet peeves

The experts made relatively few mistakes even though they had seen the position only briefly. They also added a critical control: The players viewed both real chess positions and scrambled chess positions that included pieces in implausible and even impossible locations. The expert advantage apparently comes from familiarity with real chess positions, something that allows more efficient encoding or retrieval of the positions.

Chase and Simon recorded their expert performing the chess reconstruction task, and found that he placed the pieces on the board in spatially contiguous chunks, with pauses of a couple seconds after he reproduced each chunk.


This finding has become part of the canon of cognitive psychology: People can increase their working memory capacity by grouping together otherwise discrete pieces of items to form a larger unit in memory.

In that way, we can encode more information into the same limited number of memory slots. Wolff viewed each position on a printed index card for five seconds and then immediately reconstructed it on a chess board.

After he was satisfied with his work, we gave him the next card.

Essay about my pet peeves

After he finished five real positions and five scrambled positions, we asked him to describe how he did the task. The video below shows his performance and his explanations Chris is the one handing him the cards and holding the stopwatch—I was behind the camera.

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Like other experts who have been tested, Wolff rarely made mistakes in reconstructing positions, and when he did, the errors were trivial—they did not alter the fundamental meaning or structure of the position. Watch for the interesting comments at the end when Wolff describes why he was focused on some aspects of a position but not others.

HT to Chris Chabris for comments on a draft of this post Comments: That will permit more interaction: Cognitive and neuropsychological mechanisms of expertise: Studies with chess masters.

Doctoral Dissertation, Harvard University. Cognitive Psychology, 4, Het denken van de schaker. Updated translation published as Thought and choice in chess, Mouton, The Hague, ; corrected second edition published in Theories of chess skill.

Psychological Research, 54 110— Recall of rapidly presented random chess positions is a function of skill. New guide to writing and revising By Daniel Simons, on February 2nd, Over the past 20 years of teaching, writing, and editing, I have compiled a set of tips, tricks, and pet peeves that I share with students and colleagues.

The emphasis is on scientific writing, but the same principles apply to most non-fiction including journalism.Teacher resources and professional development across the curriculum.

Teacher professional development and classroom resources across the curriculum. The thing about pet peeves is they are usually just little things.

If you don’t think about them all the time and look for good things about . Stephen Pinker in his book “The Blank Slate” coined the name euphemism treadmill for the process whereby words introduced to replace an offensive word, over time become offensive themselves.

A current example of this is mental retardation. The Foundation/Robot Series What is this Forward the Foundation I keep hearing about?

So You Don't Want to Teach Anymore? Here Are 7 Guesses Why

Forward the Foundation is the last-written of the Foundation books. It was near completion at the time of Asimov's death and published a year later.

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