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Experimental Error

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1. Effectiveness of intervention due to feedback on errors arising from inappropriate transportation and storage of blood bags in hospitals: a quasi-experimental study (PubMed)

Effectiveness of intervention due to feedback on errors arising from inappropriate transportation and storage of blood bags in hospitals: a quasi-experimental study The limited supply of red blood cells (RBCs) for transfusion has clinical implications, and can lead to the introduction of different approaches in decreasing blood wastage and the safe and effective delivery of blood products.To identify the influences of feedback-based intervention on inappropriate temperatures during (...) transportation and storage of blood bags.This was a quasi-experimental pretest-posttest design with a non-equivalent control group that was carried out on 200 RBC. The study was conducted in a teaching hospital in Mashhad, Iran, and in two periods during the same season: winter of 2015 (pre-intervention period) and winter of 2016 (post-intervention period). Staff of the blood bank department, as the intervention group, received the intervention including feedback regarding the inappropriate temperature

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2018 Electronic physician

2. Impact of errors in experimental parameters on reconstructed breast images using diffuse optical tomography (PubMed)

Impact of errors in experimental parameters on reconstructed breast images using diffuse optical tomography Near-infrared diffuse optical tomography (NIR-DOT) is an emerging technology that offers hemoglobin based, functional imaging tumor biomarkers for breast cancer management. The most promising clinical translation opportunities are in the differential diagnosis of malignant vs. benign lesions, and in early response assessment and guidance for neoadjuvant chemotherapy. Accurate (...) quantification of the tissue oxy- and deoxy-hemoglobin concentration across the field of view, as well as repeatability during longitudinal imaging in the context of therapy guidance, are essential for the successful translation of NIR-DOT to clinical practice. The ill-posed and ill-condition nature of the DOT inverse problem makes this technique particularly susceptible to model errors that may occur, for example, when the experimental conditions do not fully match the assumptions built into the image

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2018 Biomedical optics express

3. An acetaminophen icon helps reduce medication decision errors in an experimental setting. (PubMed)

An acetaminophen icon helps reduce medication decision errors in an experimental setting. To assess the effect of adding an acetaminophen ingredient icon to acetaminophen medication labels on consumer decision making about concomitant use of acetaminophen medications to avoid overdose, which is associated with liver injury.Parallel-group randomized study.Consumer research facilities in Indianapolis, Baltimore, and Los Angeles.A total of 517 adults (30% with limited health literacy) recruited (...) taken. Outcome measures were errors in medication decisions and response time.The icon reduced the odds of participants making medication-decision errors by 53% (CI 31%-68%), with effects evident across medication categories. The icon eliminated a trend for those with lower health literacy or less education to have a greater likelihood of making errors. The icon also reduced response times, indicating reduced cognitive load for decisions.An icon can improve decision making regarding acetaminophen

2017 Journal of the American Pharmacists Association : JAPhA

4. Experimental Errors in QSAR Modeling Sets: What We Can Do and What We Cannot Do (PubMed)

Experimental Errors in QSAR Modeling Sets: What We Can Do and What We Cannot Do Numerous chemical data sets have become available for quantitative structure-activity relationship (QSAR) modeling studies. However, the quality of different data sources may be different based on the nature of experimental protocols. Therefore, potential experimental errors in the modeling sets may lead to the development of poor QSAR models and further affect the predictions of new compounds. In this study, we (...) explored the relationship between the ratio of questionable data in the modeling sets, which was obtained by simulating experimental errors, and the QSAR modeling performance. To this end, we used eight data sets (four continuous endpoints and four categorical endpoints) that have been extensively curated both in-house and by our collaborators to create over 1800 various QSAR models. Each data set was duplicated to create several new modeling sets with different ratios of simulated experimental errors

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2017 ACS Omega

5. Biomechanical Measurement Error Can Be Caused by Fujifilm Thickness: A Theoretical, Experimental, and Computational Analysis (PubMed)

Biomechanical Measurement Error Can Be Caused by Fujifilm Thickness: A Theoretical, Experimental, and Computational Analysis This is the first study to quantify the measurement error due to the physical thickness of Fujifilm for several material combinations relevant to orthopaedics. Theoretical and experimental analyses were conducted for cylinder-on-flat indentation over a series of forces (750 and 3000 N), cylinder diameters (0 to 80 mm), and material combinations (metal-on-metal, MOM; metal (...) × F0.2273 × D0.2936 for MOM tests, WF = 0.0449 × F0.4664 × D0.4201 for MOP tests, and WF = 0.1647 × F0.2397 × D0.3394 for MOB tests, where F is compressive force and D is cylinder diameter. Fujifilm thickness error ratio WF /WO showed a nonlinear decrease versus cylinder diameter, whilst error graphs shifted down as force increased. Computational finite element analysis for several test cases agreed with theoretical and experimental data, respectively, to within 3.3% and 1.4%. Despite its wide use

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2017 BioMed research international

6. Error Modeling and Experimental Study of a Flexible Joint 6-UPUR Parallel Six-Axis Force Sensor (PubMed)

Error Modeling and Experimental Study of a Flexible Joint 6-UPUR Parallel Six-Axis Force Sensor By combining a parallel mechanism with integrated flexible joints, a large measurement range and high accuracy sensor is realized. However, the main errors of the sensor involve not only assembly errors, but also deformation errors of its flexible leg. Based on a flexible joint 6-UPUR (a kind of mechanism configuration where U-universal joint, P-prismatic joint, R-revolute joint) parallel six-axis (...) force sensor developed during the prephase, assembly and deformation error modeling and analysis of the resulting sensors with a large measurement range and high accuracy are made in this paper. First, an assembly error model is established based on the imaginary kinematic joint method and the Denavit-Hartenberg (D-H) method. Next, a stiffness model is built to solve the stiffness matrix. The deformation error model of the sensor is obtained. Then, the first order kinematic influence coefficient

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2017 Sensors (Basel, Switzerland)

7. Impact of prior errors on visuomotor adaptation and savings: experimental considerations and clinical implications (PubMed)

Impact of prior errors on visuomotor adaptation and savings: experimental considerations and clinical implications The motor system retains learning from visuomotor adaptation tasks in the form of "savings" to enable faster readaptation to similar perturbations in the future. Leow et al. (J Neurophysiol 116: 1603-1614, 2016) suggest that the experience of prior errors during relearning is necessary for savings while repetition of prior actions may not be sufficient. These findings provide novel (...) insight into factors that contribute to visuomotor adaptation and can be applied to future experimental and clinical research.Copyright © 2017 the American Physiological Society.

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2017 Journal of neurophysiology

8. Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review

: Neonatal Exclude: Adult Types of evidence Include: Systematic Review Exclude: All other qualitative or experimental studies. Limits Date: No limit. Language: Publications in English. Database searching The following sources were searched with respect to the evidence around barcode management of breast milk (Table 2). Keywords were selected based on a systematic review known to the authors 1 . Rapid Review Barcode Systems and Breastmilk Errors: A Rapid Review 2 Table 2. Summary of databases searched (...) Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review Barcode Systems and Breastmilk Errors: A Rapid Review 1 Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review Corey Joseph & Angela Melder. 24/08/2017. Do barcode medication administration systems in neonates reduce expressed breast milk administration errors? A Rapid Review. Centre for Clinical Effectiveness, Monash Health

2017 Monash Health Evidence Reviews

9. Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part II—Experimental Implementation (PubMed)

Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part II—Experimental Implementation Coordinate measuring machines (CMM) are main instruments of measurement in laboratories and in industrial quality control. A compensation error model has been formulated (Part I). It integrates error and uncertainty in the feature measurement model. Experimental implementation for the verification of this model is carried out based on the direct testing on a moving (...) and compared with alternative methods of estimation. The overall performance of the model is endorsed through experimental verification, as well as the practical use and the model capability to contribute in the improvement of current standard CMM measuring capabilities.

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2016 Sensors (Basel, Switzerland)

10. Can Infinitival to Omissions and Provisions Be Primed? An Experimental Investigation Into the Role of Constructional Competition in Infinitival to Omission Errors (PubMed)

Can Infinitival to Omissions and Provisions Be Primed? An Experimental Investigation Into the Role of Constructional Competition in Infinitival to Omission Errors An experimental study was conducted on children aged 2;6-3;0 and 3;6-4;0 investigating the priming effect of two WANT-constructions to establish whether constructional competition contributes to English-speaking children's infinitival to omission errors (e.g., *I want ___ jump now). In two between-participant groups, children either

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2016 Cognitive science

11. A log-likelihood-gain intensity target for crystallographic phasing that accounts for experimental error (PubMed)

A log-likelihood-gain intensity target for crystallographic phasing that accounts for experimental error The crystallographic diffraction experiment measures Bragg intensities; crystallographic electron-density maps and other crystallographic calculations in phasing require structure-factor amplitudes. If data were measured with no errors, the structure-factor amplitudes would be trivially proportional to the square roots of the intensities. When the experimental errors are large (...) , and especially when random errors yield negative net intensities, the conversion of intensities and their error estimates into amplitudes and associated error estimates becomes nontrivial. Although this problem has been addressed intermittently in the history of crystallographic phasing, current approaches to accounting for experimental errors in macromolecular crystallography have numerous significant defects. These have been addressed with the formulation of LLGI, a log-likelihood-gain function in terms

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2016 Acta Crystallographica. Section D, Structural Biology

12. Experimental Error

Experimental Error Experimental Error Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Experimental Error Experimental Error Aka (...) : Experimental Error , Experimental Bias From Related Chapters II. Definitions Bias Error introduced systematically by faults in experimental methodology Experimental Error Error due to either bias (see below) Error due to chance (random) Alpha Error (false positive) Difference is due to chance P Value represents the probability that results are due to chance (p <0.05 is goal) Beta Error (false negative) There was a true difference between experimental and control groups However, study detects no difference

2018 FP Notebook

13. Error Analysis and Experimental Study of a Bi-Planar Parallel Mechanism in a Pedicle Screw Robot System (PubMed)

Error Analysis and Experimental Study of a Bi-Planar Parallel Mechanism in a Pedicle Screw Robot System Due to the urgent need for high precision surgical equipment for minimally invasive spinal surgery, a novel robot-assistant system was developed for the accurate placement of pedicle screws in lumbar spinal surgeries. The structure of the robot was based on a macro-micro mechanism, which includes a serial mechanism (macro part) and a bi-planar 5R parallel mechanism (micro part). The macro (...) calculated. The amount of the transfer errors was quantitatively analyzed by the simulation. Experimental tests show that the error of the bi-planar 5R mechanism can be controlled no more than 1 mm for translation and 1° for rotation, which satisfies the required absolute position accuracy of the robot.

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2016 Sensors (Basel, Switzerland)

14. A Laboratory Critical Incident and Error Reporting System for Experimental Biomedicine (PubMed)

A Laboratory Critical Incident and Error Reporting System for Experimental Biomedicine We here propose the implementation of a simple and effective method to enhance the quality of basic and preclinical academic research: critical incident reporting (CIR). CIR has become a standard in clinical medicine but to our knowledge has never been implemented in the context of academic basic research. We provide a simple, free, open-source software tool for implementing a CIR system in research groups (...) , laboratories, or large institutions (LabCIRS). LabCIRS was developed, tested, and implemented in our multidisciplinary and multiprofessional neuroscience research department. It is accepted by all members of the department, has led to the emergence of a mature error culture, and has made the laboratory a safer and more communicative environment. Initial concerns that implementation of such a measure might lead to a "surveillance culture" that would stifle scientific creativity turned out to be unfounded.

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2016 PLoS biology

15. Treatment of anorexia nervosa: a multimethod investigation translating experimental neuroscience into clinical practice

Treatment of anorexia nervosa: a multimethod investigation translating experimental neuroscience into clinical practice Treatment of anorexia nervosa: a multimethod investigation translating experimental neuroscience into clinical practice Journals Library An error occurred retrieving content to display, please try again. >> >> >> Page Not Found Page not found (404) Sorry - the page you requested could not be found. Please choose a page from the navigation or try a website search above to find

2017 NIHR HTA programme

16. Health impacts of the M74 urban motorway extension: a mixed-method natural experimental study

Health impacts of the M74 urban motorway extension: a mixed-method natural experimental study Health impacts of the M74 urban motorway extension: a mixed-method natural experimental study Journals Library An error occurred retrieving content to display, please try again. >> >> >> Page Not Found Page not found (404) Sorry - the page you requested could not be found. Please choose a page from the navigation or try a website search above to find the information you need. >> >> >> >> Issue

2017 NIHR HTA programme

17. How Do Simulated Error Experiences Impact Attitudes Related to Error Prevention? (PubMed)

experiences) to an experimental group of students who reviewed medication error content and participated in simulated error experiences. Dependent measures included perceived memorability of the educational experience, perceived frequency of errors, and perceived caution with respect to preventing errors.Experienced nursing students perceived the simulated error experiences to be more memorable than movies. Less experienced students perceived both simulated error experiences and movies to be highly (...) How Do Simulated Error Experiences Impact Attitudes Related to Error Prevention? The objective of this project was to determine whether simulated exposure to error situations changes attitudes in a way that may have a positive impact on error prevention behaviors.Using a stratified quasi-randomized experiment design, we compared risk perception attitudes of a control group of nursing students who received standard error education (reviewed medication error content and watched movies about error

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2017 Simulation in healthcare : journal of the Society for Simulation in Healthcare

18. Single molecule counting and assessment of random molecular tagging errors with transposable giga-scale error-correcting barcodes (PubMed)

, leading to inaccurate transcriptome quantification especially at low input and single-cell RNA amounts where the total number of molecules present is minuscule. To address this issue, we demonstrated the systematic identification of molecular species using transposable error-correcting barcodes that are exponentially expanded to tens of billions of unique labels.We experimentally showed random-mer molecular barcodes suffer from substantial and persistent errors that are difficult to resolve. To assess (...) Single molecule counting and assessment of random molecular tagging errors with transposable giga-scale error-correcting barcodes RNA-Seq measures gene expression by counting sequence reads belonging to unique cDNA fragments. Molecular barcodes commonly in the form of random nucleotides were recently introduced to improve gene expression measures by detecting amplification duplicates, but are susceptible to errors generated during PCR and sequencing. This results in false positive counts

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2017 BMC genomics

19. Non-surgical experimental treatments for breast capsular contracture: A systematic review of experimental animal studies.

Non-surgical experimental treatments for breast capsular contracture: A systematic review of experimental animal studies. Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any (...) are not reported or unclear, we will attempt to contact authors by e-mail (max. 2 attempts). In case an outcome is measured at multiple time points, data from the time point where efficacy is highest will be included. ">Methods for data extraction Example: Experimental groups, control group(s) and number of animals per group. ">Data to be extracted: study design Example: Species, sex, weight, age, co‐morbidity, anaesthetic agent used, method of induction of cardiac ischemia, duration of ischemia and duration

2019 PROSPERO

20. An algorithm of image mosaic based on binary tree and eliminating distortion error. (PubMed)

an automatic image straightening model to rectify the panorama, which further improves the panoramic distortion. The experimental results show that the proposed method cannot only enhance the efficiency of image stitching processing, but also reduce the panoramic distortion errors and obtain a better quality panoramic result. (...) An algorithm of image mosaic based on binary tree and eliminating distortion error. The traditional image mosaic result based on SIFT feature points extraction, to some extent, has distortion errors: the larger the input image set, the greater the spliced panoramic distortion. To achieve the goal of creating a high-quality panorama, a new and improved algorithm based on the A-KAZE feature is proposed in this paper. This includes changing the way reference image are selected and putting forward

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2019 PLoS ONE

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