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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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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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Related Experiment Video

Updated: Feb 7, 2026

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor
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Correction to: National survey on dose data analysis in computed tomography.

Christina Heilmaier1, Reto Treier2, Elmar Max Merkle3,4

  • 1Swiss Society of Radiology, c/o: ecos Office Center, Bellerivestrasse 11, CH-8008, Zürich, Switzerland. Christina.Heilmaier@usz.ch.

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Summary

This article has been corrected since its original publication. The revised version ensures accuracy in reporting scientific findings for better understanding.

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Area of Science:

  • Correction of scientific literature.
  • Ensuring research integrity.

Background:

  • Original article published on May 28, 2018.
  • An error was identified in the initial publication.

Purpose of the Study:

  • To correct a mistake in the original article.
  • To provide accurate scientific information.

Main Methods:

  • Review and correction of the original manuscript.
  • Re-publication of the corrected article.

Main Results:

  • The identified mistake has been rectified.
  • The article now presents accurate data and conclusions.

Conclusions:

  • The corrected article is now available.
  • Readers are advised to consult the revised version for accurate information.