Driving Students to Performance Assessments: Learning What Students Can Do

2014 ◽  
Vol 19 (8) ◽  
pp. 468-476
Author(s):  
Elizabeth T. Walker ◽  
Jeffrey S. Molisani
Keyword(s):  
Real World ◽  
Performance Assessments ◽  
The Road ◽  
Entry Points ◽  
On The Road ◽  
Real World Problems

Multiple entry points on the road to assessing students can tell teachers if students can do math and therefore apply math to real-world problems.

More obstacles on the road to unification

2007 ◽  
Vol 30 (1) ◽  
pp. 41-41 ◽  
Author(s):  
Eric Alden Smith
Keyword(s):  
Decision Making ◽  
Human Behavior ◽  
Real World ◽  
Institutional Constraints ◽  
Historical Contingency ◽  
Behavioral Sciences ◽  
The Road ◽  
On The Road

The synthesis proposed by Gintis is valuable but insufficient. Greater consideration must be given to epistemological diversity within the behavioral sciences, to incorporating historical contingency and institutional constraints on decision-making, and to vigorously testing deductive models of human behavior in real-world contexts.

From risk assessment to risk governance: real world experiences on the road to improved utility resilience

2014 ◽  
Vol 2014 (1) ◽  
pp. 1-10
Author(s):  
Simon Pollard ◽  
Craig Mauelshagen ◽  
David Owen ◽  
Paul Fesko ◽  
Linda Reekie
Keyword(s):  
Risk Assessment ◽  
Real World ◽  
Risk Governance ◽  
The Road ◽  
On The Road

scholarly journals NH3 and N2O Real World Emissions Measurement from a CNG Heavy Duty Vehicle Using On-Board Measurement Systems

2021 ◽  
Vol 11 (21) ◽  
pp. 10055
Author(s):  
Ricardo Suarez-Bertoa ◽  
Roberto Gioria ◽  
Tommaso Selleri ◽  
Velizara Lilova ◽  
Anastasios Melas ◽  
...  
Keyword(s):  
Real World ◽  
Heavy Duty ◽  
Compressed Natural Gas ◽  
Ambient Temperatures ◽  
The Road ◽  
Heavy Duty Vehicle ◽  
The Usa ◽  
Development And Utilization ◽  
On The Road ◽  
Road Testing

The development and utilization of a series of after-treatment devices in modern vehicles has led to an increase in emissions of NH3 and/or N2O with respect to the past. N2O is a long-lived greenhouse gas and an ozone-depleting substance, while NH3 is a precursor of secondary aerosols in the atmosphere. Certain regions, e.g., the EU and the USA, have introduced limits to the emissions of NH3 or N2O for vehicles tested in the laboratory. However, due to the lack of on-board systems that allow for the measurement of these compounds when the regulations were developed, these vehicles’ real-world emissions have not been regulated. This work evaluates on-board systems that could allow measuring real-world emissions of NH3 and N2O from heavy-duty vehicles. In particular, emissions of NH3 or N2O from a Euro VI Step D urban/interurban bus fueled with Compressed Natural Gas were measured using the HORIBA’s OBS-ONE-XL, which is based on a specifically developed technique called Infrared Laser Absorption Modulation, and uses a Quantum Cascade Laser as a light source. They were also measured using the PEMS-LAB, which is a more conventional FTIR-based system. Emissions were measured under real-world driving conditions on the road and in a climatic test cell at different ambient temperatures. For most of the conditions tested, the on-board systems correlated well with a laboratory-grade FTIR used as reference. In addition, a good correlation with R2 > 0.9 was found for the N2O concentrations measured by OBS-ONE-XL and PEMS-LAB during on-road testing.

Vehicle aerodynamics impact of on-road turbulence

2017 ◽  
Vol 231 (9) ◽  
pp. 1148-1159 ◽  
Author(s):  
Bradley Duncan ◽  
Luca D’Alessio ◽  
Joaquin Gargoloff ◽  
Ales Alajbegovic
Keyword(s):  
Real World ◽  
Lattice Boltzmann ◽  
Unsteady Aerodynamics ◽  
Wind Tunnels ◽  
Length Scales ◽  
The Road ◽  
Vehicle Aerodynamics ◽  
On The Road ◽  
Boltzmann Method ◽  
Shape Changes

The ultimate target for vehicle aerodynamicists is to develop vehicles that perform well on the road in real-world conditions. On the other hand, vehicle development today is performed mostly in controlled settings, using wind tunnels and computational fluid dynamics with artificially uniform freestream conditions and neglecting real-world effects due to road turbulence from the wind and other vehicles. Turbulence on the road creates a non-uniform and fluctuating flow field in which the length scales of the fluctuations fully encompass the length scales of the relevant aerodynamic flow structures around the vehicle. These fluctuations can be comparable in size and strength with the vehicle’s own wake oscillations. As a result, this flow environment can have a significant impact on the aerodynamic forces and on the sensitivity of these forces to various shape changes. Some aerodynamic devices and integral design features can perform quite differently from the way in which they do under uniform freestream conditions. In this paper, unsteady aerodynamics simulations are performed using the lattice Boltzmann method on a detailed representative automobile model with several design variants, in order to explore the effect of on-road turbulence on the aerodynamics and the various mechanisms that contribute to these effects.

scholarly journals Effects of temporal and spatiotemporal cues on detection of dynamic road hazards

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Benjamin Wolfe ◽  
Anna Kosovicheva ◽  
Simon Stent ◽  
Ruth Rosenholtz
Keyword(s):  
Cognitive Psychology ◽  
Reaction Time ◽  
Real World ◽  
Standard Laboratory ◽  
Extra Time ◽  
The Road ◽  
Significant Difference ◽  
Invalid Condition ◽  
On The Road ◽  
First Moment

AbstractWhile driving, dangerous situations can occur quickly, and giving drivers extra time to respond may make the road safer for everyone. Extensive research on attentional cueing in cognitive psychology has shown that targets are detected faster when preceded by a spatially valid cue, and slower when preceded by an invalid cue. However, it is unknown how these standard laboratory-based cueing effects may translate to dynamic, real-world situations like driving, where potential targets (i.e., hazardous events) are inherently more complex and variable. Observers in our study were required to correctly localize hazards in dynamic road scenes across three cue conditions (temporal, spatiotemporal valid and spatiotemporal invalid), and a no-cue baseline. All cues were presented at the first moment the hazardous situation began. Both types of valid cues reduced reaction time (by 58 and 60 ms, respectively, with no significant difference between them, a larger effect than in many classic studies). In addition, observers’ ability to accurately localize hazards dropped 11% in the spatiotemporal invalid condition, a result with dangerous implications on the road. This work demonstrates that, in spite of this added complexity, classic cueing effects persist—and may even be enhanced—for the detection of real-world hazards, and that valid cues have the potential to benefit drivers on the road.

Community Colleges: Vital Partners on the Road to Diversity

ASHA Leader ◽  
2006 ◽  
Vol 11 (5) ◽  
pp. 14-17 ◽  
Author(s):  
Shelly S. Chabon ◽  
Ruth E. Cain
Keyword(s):  
Community Colleges ◽  
The Road ◽  
On The Road

The Role of Crushes on the Road to Autonomy

2009 ◽  
Vol 43 (9) ◽  
pp. 18-19
Author(s):  
MICHAEL S. JELLINEK
Keyword(s):  
The Road ◽  
On The Road
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