Assessment of Crew Workload Measurement Methods, Techniques and Procedures. Volume 1. Process, Methods and Results

1989 ◽  
Author(s):  
William H. Corwin ◽  
Diane L. Sandry-Garza ◽  
Michael H. Biferno ◽  
Jr. Boucek ◽  
Logan George P. ◽  
...  
Keyword(s):  
Measurement Methods ◽  
Workload Measurement

scholarly journals Overview of Studies on the Cognitive Workload of the Air Traffic Controller

2021 ◽  
Vol vm02 (is01) ◽  
pp. 28-36
Author(s):  
Ebru Yazgan ◽  
Erdi Sert ◽  
Deniz Şimşek
Keyword(s):  
Traffic Control ◽  
Measurement Methods ◽  
Air Traffic ◽  
Cognitive Workload ◽  
Flight Safety ◽  
Eye Tracker ◽  
Occupational Groups ◽  
Air Traffic Controller ◽  
Workload Measurement ◽  
Very High

Air Traffic Control Officer (ATCO) will be the branch that will have the most impact in the air transport system. The duty of ATCOs is to prevent the collision of airplanes in the air provided by the controllers on the ground and to overcome the possible confusion. Being exposed to a very high cognitive workload of ATCOs, which is one of the high-risk occupational groups, is important in terms of flight safety. However, it has been observed that studies on the differences in cognitive workload that may occur between experienced and inexperienced ATCO under different task difficulties are quite insufficient in literature. This study presents research studies on cognitive workload measurement methods and ATCO's cognitive workload. In this study, first of all, the importance of determining the cognitive workload and its measurement methods are explained. In addition, literature studies related to cognitive workload of ATCOs, particularly by using eye tracker are presented.

A critical comparison of selected implicit measurement methods.

2018 ◽  
Vol 11 (4) ◽  
pp. 249-266 ◽  
Author(s):  
Judith Znanewitz ◽  
Lisa Braun ◽  
David Hensel ◽  
Claudia Fantapié Altobelli ◽  
Fabian Hattke
Keyword(s):  
Measurement Methods ◽  
Critical Comparison ◽  
Implicit Measurement

Calibration of a Lyophilized Pooled Plasma as Candidate Reference Plasma for Standardization of the Prothrombin Time Ratio

1993 ◽  
Vol 13 (02) ◽  
pp. 96-105 ◽  
Author(s):  
H. Beeser ◽  
U. Becker ◽  
H. J. Kolde ◽  
E. Spanuth ◽  
P. Witt ◽  
...  
Keyword(s):  
Prothrombin Time ◽  
International Study ◽  
International Normalized Ratio ◽  
Measurement Methods ◽  
Factor V ◽  
Diagnostic Instruments ◽  
Plasma Pool ◽  
Normal Plasma ◽  
German Association ◽  
Prothrombin Time Ratio

SummaryThe prothrombin time (PT), obtained from a fresh normal plasma pool (FPP), is the basis both for the establishment of the 100% activity (normal plasma) and for the ratio calculation used in the International Normalized Ratio (INR) according to the recommendations of the ICSH/ICTH (6). Today the PT of lyophilized normal plasma pools are successfully used as reference for the assessment of samples in proficiency studies. However, a lack of comparability is to be recognized. Therefore the Committee of Hematology of the German Association of Diagnostics’ and Diagnostic Instruments’ Manufacturers (VDGH) decided to produce a candidate reference plasma (VDGH Reference Plasma) which was calibrated against fresh normal plasma pools in an international study.The basic calibration was performed by using the same certified BCR thromboplastin (BCT/099) by all participants. The endpoint was determined manually and by using the coagulometer Schnitger-Gross. In additional testings each participant used his own routine thromboplastins and methods. Calculating the ratio [PT VDGH Reference Plasma (sec)/PT fresh normal plasma pool (sec)] the VDGH Reference Plasma showed a deviation from the average fresh normal plasma pool of 1.05 both with the BCT/099 and with all thromboplastins. There were obtained some statistical differences between “plain” and “combined’’ (added factor V and fibrinogen) thromboplastins. No statistical difference was found between the different endpoint measurement methods (manual, mechanical, optical).In spite of these statistical deviations the VDGH Reference Plasma can be used for the standardization of the PT-normal (100%) value with different ratios for plain (1.06) and combined (1.02) thromboplastins. The manufacturers will use this VDGH Reference Plasma for the calibration of their commercially available calibration plasmas, which allows the user of such a material to calculate a calibrated 100% PT value.

Defining and assessing walkability: a concept for an integrated approach using surveys, biosensors and geospatial analysis

2019 ◽  
Vol 62 (1) ◽  
pp. 5-15 ◽  
Author(s):  
Linda Dörrzapf ◽  
Anna Kovács-Győri ◽  
Bernd Resch ◽  
Peter Zeile
Keyword(s):  
Spatial Planning ◽  
Recent Literature ◽  
Integrated Approach ◽  
Measurement Methods ◽  
Transport Mode ◽  
Positive Effects ◽  
Spatial Environment ◽  
Planning Processes ◽  
Valuable Complement ◽  
Definition Of

AbstractWalking as a transport mode is still often underrepresented in the overall transport system. Consequently, pedestrian mobility is usually not recorded statistically in the same manner as it is performed for motorised traffic which leads to an underestimation of its importance and positive effects on people and cities. However, the integration of walkability assessments is potentially a valuable complement in urban planning processes through considering important quantitative and qualitative aspects of walking in cities. Recent literature shows a variety of approaches involving discrepancies in the definition of walkability, the factors which contribute to it, and methods of assessing them. This paper provides a new understanding of the concept of walkability in the European context. Our approach relies on the extension of methodological competence in transportation, spatial planning and geography by linking new measurement methods for evaluating walkability. We propose an integrated approach to assessing walkability in a comprehensive methodology that combines existing qualitative and GIS-based methods with biosensor technologies and thus captures the perceptions and emotions of pedestrians. This results in an increased plausibility and relevance of the results of walkability analysis by considering the spatial environment and its effect on people.

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