Luminance affects age-related deficits in object detection: implications for computerized psychological assessments.

Luminance affects age-related deficits in object detection: implications for computerized psychological assessments.
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DOI:
10.1037/a0025576
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发表时间:
2012-06
影响因子:
3.7
通讯作者:
Cronin-Golomb A
Cronin-Golomb A
中科院分区:
心理学2区
文献类型:
--
作者:
Seichepine DR;Neargarder S;McCallum ME;Tabor K;Riedel TM;Gilmore GC;Cronin-Golomb A

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由于心理仪器被转换为计算机上的管理,这些显示器的亮度和对比度的差异可能会影响性能。具体而言,高亮度评估可能掩盖在较低亮度条件下明显的年龄组差异。我们研究了亮度和对比度对物体检测的影响,使用计算机和自然的评估。年轻人和老年人在亮度匹配的条件下,在不同的对比度水平下表现出更多的差异,尽管条件看起来不同。这些研究结果表明,计算机化的评估应创建与亮度水平是类似的任务,他们声称模拟,以提高其有效性。
As psychological instruments are converted for administration on computers, differences in luminance and contrast of these displays may affect performance. Specifically, high-luminance assessments may mask age-group differences that are apparent under lower luminance conditions. We examined the effects of luminance and contrast on object detection using computerized and naturalistic assessments. Younger and older adults displayed more differences in performance across differing contrast levels in conditions that were matched for luminance, despite the conditions appearing perceptually different. These findings indicate that computerized assessments should be created with luminance levels that are similar to those of the tasks they purport to simulate in order to enhance their validity.
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发表时间: 1995-01-01
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