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Related Concept Videos

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
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Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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Errors and mistakes in surveying refer to inaccuracies in measurements and data recording. The errors are deviations from the actual value caused by human sensory limitations, equipment flaws, or environmental effects. These errors are typically unintentional and can result from the inherent imperfections in the instruments used, atmospheric conditions, or the observer’s inability to perceive exact measurements. On the other hand, mistakes are caused by the surveyor's lack of...
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Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
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Nurses reported issues with infusion pump usability, with 90% omitting the dose error reduction system. This highlights critical safety concerns and the need for improved user interfaces in medical devices.

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Area of Science:

  • Healthcare safety
  • Medical device usability
  • Clinical engineering

Background:

  • Healthcare errors are a significant cause of mortality in the US.
  • Infusion pumps are critical for patient care but present opportunities for user error.
  • Equipment usability and user interfaces require further investigation.

Purpose of the Study:

  • To assess nurse-identified qualities important for infusion pump operation.
  • To evaluate the usability of infusion pumps in a clinical setting.
  • To identify areas for improvement in infusion pump design and function.

Main Methods:

  • A self-developed usability survey was electronically distributed to 500 nurses at a large academic hospital.
  • The survey sample was stratified by unit type.
  • Responses from 240 nurses (48% response rate) were analyzed using descriptive and inferential statistics.

Main Results:

  • Nurses reported confident use of infusion pumps, with some variations by unit type.
  • A significant safety concern was identified: 90% of respondents omitted the dose error reduction system.
  • Users reported issues with the user interface and error prevention features.

Conclusions:

  • Usability surveys are a simple and cost-effective method for gathering data on medical device use.
  • Infusion pump design and user interfaces need improvement to enhance patient safety.
  • Addressing user-identified issues can lead to safer and more efficient medication delivery.