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Karl Ulrich Bartzschmidt - One of the best experts on this subject based on the ideXlab platform.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:Background To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device. A small battery-driven electronic sensor device with gravity and tilt compensations was placed within a plastic box and fixed on a patient’s head with a headband. Face-down position data were logged every half second for 24 h after macular hole surgery and were stored on a memory card. Thirteen patients were involved (seven females, six males, median age, 68 years, range, 50–75 years), two cases with early dropout. Ten of 11 datasets could be evaluated showing a complete data record file. The average percentage for face-down >45° was 18 % within 24 h and 17 % in the daytime. The median inclination was −6.7° (min: −89.7° max: 90°). The sensor system was well tolerated and disturbance was rated low by all ten patients. While the patients’ face-down posture considerably varied over time in extent and continuity, the assessment might lead to optimizing the patients’ compliance with the optimal position. Results showed an excellent acceptance of the motion sensor.
Martin Alexander Leitritz - One of the best experts on this subject based on the ideXlab platform.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:Background To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device. A small battery-driven electronic sensor device with gravity and tilt compensations was placed within a plastic box and fixed on a patient’s head with a headband. Face-down position data were logged every half second for 24 h after macular hole surgery and were stored on a memory card. Thirteen patients were involved (seven females, six males, median age, 68 years, range, 50–75 years), two cases with early dropout. Ten of 11 datasets could be evaluated showing a complete data record file. The average percentage for face-down >45° was 18 % within 24 h and 17 % in the daytime. The median inclination was −6.7° (min: −89.7° max: 90°). The sensor system was well tolerated and disturbance was rated low by all ten patients. While the patients’ face-down posture considerably varied over time in extent and continuity, the assessment might lead to optimizing the patients’ compliance with the optimal position. Results showed an excellent acceptance of the motion sensor.
Focke Ziemssen - One of the best experts on this subject based on the ideXlab platform.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:Background To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device. A small battery-driven electronic sensor device with gravity and tilt compensations was placed within a plastic box and fixed on a patient’s head with a headband. Face-down position data were logged every half second for 24 h after macular hole surgery and were stored on a memory card. Thirteen patients were involved (seven females, six males, median age, 68 years, range, 50–75 years), two cases with early dropout. Ten of 11 datasets could be evaluated showing a complete data record file. The average percentage for face-down >45° was 18 % within 24 h and 17 % in the daytime. The median inclination was −6.7° (min: −89.7° max: 90°). The sensor system was well tolerated and disturbance was rated low by all ten patients. While the patients’ face-down posture considerably varied over time in extent and continuity, the assessment might lead to optimizing the patients’ compliance with the optimal position. Results showed an excellent acceptance of the motion sensor.
Bogomil Voykov - One of the best experts on this subject based on the ideXlab platform.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:Background To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device.
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usability of a gravity and tilt compensated sensor with data Logging Function to measure posturing compliance in patients after macular hole surgery a pilot study
Graefes Archive for Clinical and Experimental Ophthalmology, 2014Co-Authors: Martin Alexander Leitritz, Focke Ziemssen, Bogomil Voykov, Karl Ulrich BartzschmidtAbstract:To investigate the use of a small gravity- and tilt-compensated, head-fixed sensor with data-Logging Function to measure compliance and head posture of patients after macular hole surgery based on the recommendation of a face-down position. Main outcome measures were the median inclination, the times with correct or incorrect head position and the acceptance/annoyance of a data-Logging device. A small battery-driven electronic sensor device with gravity and tilt compensations was placed within a plastic box and fixed on a patient’s head with a headband. Face-down position data were logged every half second for 24 h after macular hole surgery and were stored on a memory card. Thirteen patients were involved (seven females, six males, median age, 68 years, range, 50–75 years), two cases with early dropout. Ten of 11 datasets could be evaluated showing a complete data record file. The average percentage for face-down >45° was 18 % within 24 h and 17 % in the daytime. The median inclination was −6.7° (min: −89.7° max: 90°). The sensor system was well tolerated and disturbance was rated low by all ten patients. While the patients’ face-down posture considerably varied over time in extent and continuity, the assessment might lead to optimizing the patients’ compliance with the optimal position. Results showed an excellent acceptance of the motion sensor.
Gusheva Ema - One of the best experts on this subject based on the ideXlab platform.
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Rule compliance in public forests: A pilot experiment
The University of Bergen, 2020Co-Authors: Gusheva EmaAbstract:Illegal Logging is a serious issue that not only has dire environmental and social consequences, but also bring forwards the issue of poor governance of common pool resources. The purpose of this thesis is to contribute to understanding the causes of illegal Logging. I integrated existing findings into one theoretical framework for rule compliance onto which I base my knowledge contribution. Further, by building a system dynamics model on aggregate forest and policymaking dynamics, I ran simulations calibrated on historical data. Model simulations showed general fit-to-behavior with discrepancies for the Logging Function, pointing to the need to study how Logging decisions are made. Because of this I designed a multiplayer online simulation game whose rules include an incentive, monitoring and sanctioning mechanism tied together in a scoring Function. The participants in the pilot experiment played the game and then reflected about their experience in an interview. Through cross-referencing participant performance and their expressed rationale, I was able to derive initial insights on reasoning behind compliance with the allowable annual cut. Results showed that participants differed in motivation (competitive or noncompetitive) and strategy (compliant and noncompliant). Overall, participants with a compliant strategy expressed more reasons justifying their behavior compared to noncompliant participants. Illegal gain was most often used as a justification for noncompliant behavior, pointing to the incentive structure as a leverage point. Receiving news that another player has been sanctioned reinforced the participants original strategy, which highlights the role of social norms. These initial insights broaden scholarly understanding of compliance and set the stage for running a full-scale experiment. This thesis also has a methodological contribution as it outlines the process of developing a simulation game based off a system dynamics model for the specific purpose of research. Moreover, it proves the usefulness of pilot experiments for studying decision-making reasoning
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Rule compliance in public forests: A pilot experiment
The University of Bergen, 2020Co-Authors: Gusheva EmaAbstract:Illegal Logging is a serious issue that not only has dire environmental and social consequences, but also bring forwards the issue of poor governance of common pool resources. The purpose of this thesis is to contribute to understanding the causes of illegal Logging. I integrated existing findings into one theoretical framework for rule compliance onto which I base my knowledge contribution. Further, by building a system dynamics model on aggregate forest and policymaking dynamics, I ran simulations calibrated on historical data. Model simulations showed general fit-to-behavior with discrepancies for the Logging Function, pointing to the need to study how Logging decisions are made. Because of this I designed a multiplayer online simulation game whose rules include an incentive, monitoring and sanctioning mechanism tied together in a scoring Function. The participants in the pilot experiment played the game and then reflected about their experience in an interview. Through cross-referencing participant performance and their expressed rationale, I was able to derive initial insights on reasoning behind compliance with the allowable annual cut. Results showed that participants differed in motivation (competitive or noncompetitive) and strategy (compliant and noncompliant). Overall, participants with a compliant strategy expressed more reasons justifying their behavior compared to noncompliant participants. Illegal gain was most often used as a justification for noncompliant behavior, pointing to the incentive structure as a leverage point. Receiving news that another player has been sanctioned reinforced the participants original strategy, which highlights the role of social norms. These initial insights broaden scholarly understanding of compliance and set the stage for running a full-scale experiment. This thesis also has a methodological contribution as it outlines the process of developing a simulation game based off a system dynamics model for the specific purpose of research. Moreover, it proves the usefulness of pilot experiments for studying decision-making reasoning.Master's Thesis in System DynamicsGEO-SD360JMASV-SYS
