Competition, student sorting and performance gains in local education markets: The Dutch secondary sector

2017 ◽  
Vol 52 (3) ◽  
pp. 365-386
Author(s):  
Sofie Cabus ◽  
Ilja Cornelisz
Keyword(s):  
Local Education ◽  
Secondary Sector ◽  
Student Sorting ◽  
And Performance ◽  
Education Markets ◽  
Performance Gains

Information Theoretic Analysis and Performance Gains of 3-Color Shift Keying

2021 ◽  
pp. 1-1
Author(s):  
Alexandros E. Tzikas ◽  
Panagiotis D. Diamantoulakis ◽  
George K. Karagiannidis
Keyword(s):  
Theoretic Analysis ◽  
Information Theoretic ◽  
Color Shift ◽  
Shift Keying ◽  
And Performance ◽  
Performance Gains

Recovery from memory failure when recalling a memorized performance: The role of musical structure and performance cues

2021 ◽  
pp. 102986492110254
Author(s):  
Roger Chaffin ◽  
Jane Ginsborg ◽  
James Dixon ◽  
Alexander P. Demos
Keyword(s):  
Vocal Music ◽  
Musical Structure ◽  
Public Performance ◽  
Memory Failure ◽  
And Performance ◽  
Written Recall ◽  
Performance Gains ◽  
Over Time

To perform reliably and confidently from memory, musicians must able to recover from mistakes and memory failures. We describe how an experienced singer (the second author) recovered from mistakes and gaps in recall as she periodically recalled the score of a piece of vocal music that she had memorized for public performance, writing out the music six times over a five-year period following the performance. Five years after the performance, the singer was still able to recall two-thirds of the piece. When she made mistakes, she recovered and went on, leaving gaps in her written recall that lengthened over time. We determined where in the piece gaps started ( losses) and ended ( gains), and compared them with the locations of structural beats (starts of sections and phrases) and performance cues ( PCs) that the singer reported using as mental landmarks to keep track of her progress through the piece during the sung, public performance. Gains occurred on structural beats where there was a PC; losses occurred on structural beats without a PC. As the singer’s memory faded over time, she increasingly forgot phrases that did not start with a PC and recovered at the starts of phrases that did. Our study shows how PCs enable musicians to recover from memory failures.

No More Déjà Vu—Eliminating Redundancy With CacheCast: Feasibility and Performance Gains

2013 ◽  
Vol 21 (6) ◽  
pp. 1736-1749 ◽  
Author(s):  
Piotr H. Srebrny ◽  
Thomas Plagemann ◽  
Vera Goebel ◽  
Andreas Mauthe
Keyword(s):  
Deja Vu ◽  
And Performance ◽  
Déjà Vu ◽  
Performance Gains

A New Generation of Steerable Drilling Motor is Born - Understand the Unique Geometry, Drilling Benefits and Performance Gains

2021 ◽  
Author(s):  
Steve Jones ◽  
Junichi Sugiura
Keyword(s):  
High Surface ◽  
Bend Angle ◽  
Data Sets ◽  
Rotary Drilling ◽  
Bending Fatigue ◽  
Torsional Response ◽  
Geometry Design ◽  
And Performance ◽  
Performance Gains ◽  
New Generation

Abstract Steerable drilling motors still dominate US shale drilling applications. Shale well construction is commonly planned with monobore vertical, high dogleg-severity (DLS) curve and lateral sections. Limitations arise in each portion of the wellbore because one single bottomhole assembly (BHA) does not provide optimal results; hence, trips are required to optimize the BHA. The main disadvantage with existing steerable drilling motors is the requirement for high bend-angle settings to drill the high DLS curve portion of the wellbore. The geometry of a high bend-angle motor is only optimal for slide drilling the curve, it is not optimal for drilling the vertical and lateral portions of the wellbore. While drilling the vertical and lateral portions of the well, surface RPM (revolutions per minute) must be limited to reduce the cyclic bending fatigue on the large external bend. Not to mention poor wellbore quality while rotary drilling with a large external bend. To overcome this issue, a new geometry design was required. The new-generation motor uses a tilted internal drive mandrel aligned with a small external bend. This combination delivers the best of both worlds, providing high DLS capability while slide drilling and high surface-RPM capability while rotary drilling (because of the small external bend). Compact embedded drilling dynamics data recorders were used to validate the dynamic improvement of the new steerable-drilling-motor geometry versus older-style geometry with large external bend. The embedded sensors recorded at-point dynamics of shock and torsional response providing detailed comparative data sets during the development phase. The new-generation steerable-drilling-motor technology utilizes point-the-bit rotary-steerable-system (RSS) methods (for example, a tilted mandrel) with conventional steerable-motor methods (for example, an external bend). The combination of the internal tilt and external bend (aligned together) provides a completely new geometry for a steerable motor. This new geometry is beneficial for high DLS sliding capability, high surface-RPM rotary drilling and improved borehole quality (slide/rotate transition and rotary mode). This new steerable drilling motor with enhanced geometry was utilized to prove delivery of vertical/curve/lateral in one run, consistent DLS through the curve and improved tracking in the lateral. The results from development testing (comparing to older-geometry motors) will be described in this paper.

Awareness and Intertrial Activity in Verbal Conditioning

1969 ◽  
Vol 25 (2) ◽  
pp. 455-460 ◽  
Author(s):  
Steven L. Mandel ◽  
Leonard D. Goodstein
Keyword(s):  
Naming Task ◽  
Color Naming ◽  
Performance Gain ◽  
Experimental Conditions ◽  
Sentence Construction ◽  
Significant Performance ◽  
Group A ◽  
And Performance ◽  
Performance Gains ◽  
The Relationship

It was hypothesized that, in VOC, the relationship between awareness and performance gains would be a function of the experimental conditions during training. Fifty-six naive Ss were assigned to 1 of 4 experimental conditions. Each group performed the Taffel sentence-construction task. This was the only treatment given one group; a second group was required to perform a color-naming task between trials. A third group was required to write their “thoughts about the experiment” between blocks of trials, while a fourth group was required to perform both the intertrial and the inter-block tasks. All groups demonstrated significant performance gains. The color-naming task resulted in significantly less performance gain, as expected, but, contrary to expectation, did not significantly inhibit the development of awareness. The discrepancies between the present results and those of previous studies were explored as were the implications for understanding the VOC process.

Automation Dependency and Performance Gains under Time Pressure

2008 ◽  
Vol 52 (19) ◽  
pp. 1326-1329 ◽  
Author(s):  
Stephen Rice ◽  
Jamie Hughes ◽  
Jason S. McCarley ◽  
David Keller
Keyword(s):  
Time Pressure ◽  
And Performance ◽  
Performance Gains

Links of science & Technology

MRS Bulletin ◽  
1997 ◽  
Vol 22 (5) ◽  
pp. 47-55 ◽  
Author(s):  
Harry J. Leamy ◽  
Jack H. Wernick
Keyword(s):  
Integrated Circuit ◽  
Industrial Revolution ◽  
Materials Science ◽  
New Era ◽  
Materials Engineering ◽  
Materials Science And Engineering ◽  
And Performance ◽  
Blank Slate ◽  
Performance Gains ◽  
And Control

We humans have employed and improved materials for millennia, but it required the Industrial Revolution of the last century to birth the systematic, science-based development of materials. During this time, effort expended in understanding the process-microstructure-properties relationships of materials conferred great economic and military advantage upon the successful. The introduction of machine power in this era created great leverage for improvements in the strength, ductility, corrosion resistance, formability, and similar properties of materials. Response to this opportunity led to the emergence of the materials profession. Stimulated by opportunity, materials scientists and engineers of the day met many of the challenges by first understanding and then controlling the composition and microstructure of materials. In the process, they defined the materials-engineering profession and left their names as a part of its vocabulary: Martens(ite), Bain(ite), Austen(ite), Schmid, Bessemer, Charpy, and Jomminy, to name a few. In fact the understanding and control of microstructure is the hallmark of materials science and engineering. Of course the ancient art of finding, mining, concentrating, and refining materials from the earth's crust does not apply to this definition since we wish to focus on the engineering of materials.Five decades ago, a new chapter in the evolution of this profession began by the invention of the transistor. This invention and the development of integrated circuitry that followed from it spawned a new era of materials achievement, again stimulated by the enormous economic and performance gains available. In this arena however, the object of the game was to completely eliminate microstructure while doing away with impurities, save for a desired few, to levels previously unimagined. Today a material thus prepared is a blank slate upon which we can write the microstructure of an integrated circuit.

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