2回調査法を利用した視覚評価法(フェリスの2点嗜好法)の有用性

DOI Web Site 被引用文献2件 参考文献19件
  • 西原 貞光
    広島県立保健福祉短期大学放射線技術科学科:(現)広島県立保健福祉大学放射線学科
  • 原田 亜希子
    広島県立保健福祉短期大学放射線技術科学科:(現)高知医科大学附属病院放射線部
  • 高橋 昌史
    広島県立保健福祉短期大学放射線技術科学科
  • 小池 正紘
    山口大学医学部附属病院放射線部
  • 渡部 真二
    山口大学医学部附属病院放射線部
  • 小濱 千幸
    JA広島総合病院中央放射線室
  • 真田 泰三
    山口大学医学部附属病院放射線部

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  • Significance of the Visual Evaluation Method Using the Two-visit Method (Two-sample Preference Test Suggested by Ferris)

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To increase the accuracy of the visual evaluation method, we studied the significance of the two-sample preference test using the two-visit method, as proposed by Ferris. Advantages of this method include not only its ability to estimate whether the image quality of the sample is statistically the same but also its ability to distinguish the difference between samples more clearly than when using the conventional two-sample preference test or paired-comparison method. However, a disadvantage is that this method involves two observations of the same sample. When using chest images, even if a difference between the samples is not recognizable by the conventional method, a significant difference can be elicited with this method. The data obtained by this method can be evaluated with the paired-comparison method, so some samples may be ranked as well. Therefore, we verified that the two-sample preference test, which Ferris formulated, is useful in visual evaluations.

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