Comparing Haptic Pattern Matching on Tablets and Phones: Large Screens Are Not Necessarily Better
Comparing Haptic Pattern Matching on Tablets and Phones: Large Screens Are Not Necessarily Better
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比较平板电脑和手机上的触觉模式匹配：大屏幕不一定更好
DOI：
10.1097/opx.0000000000001274
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发表时间：
2018
影响因子：
1.4
通讯作者：
Gorlewicz, Jenna L.
中科院分区：
文献类型：
--
作者：
Tennison, Jennifer L.;Carril, Zachary S.;Giudice, Nicholas A.;Gorlewicz, Jenna L.
更大的触摸屏被认为比更小的触摸屏有明显的优势，因为可以用非视觉方式传达图形信息的空间量。本研究探讨了两个问题：（1）屏幕尺寸和网格密度是否会影响用户在模式匹配任务中的准确性？(2)屏幕大小和网格密度会影响用户的任务时间吗？14名盲人和视力受损者被要求在10.5英寸平板电脑或5.1英寸手机上完成模式匹配任务。这些图案由五个振动的目标组成，这些目标被施加在密度不同的声波网格上（密度越高，网格正方形越多）。在测试中，参与者将触摸屏图案与一组物理浮雕图案进行比较，并选择匹配的图案。参与者在探索设备上的模式和他们的模式匹配准确性时进行了评估。对数据进行了多元和逻辑回归分析，结果表明，设备尺寸、网格密度和年龄对模式匹配准确性模型没有统计学显著影响。然而，设备尺寸，网格密度和年龄有显着的影响模型的网格探索。使用手机，探索低密度网格，和年龄较大的指示更快的探索time.CONCLUSIONSA权衡的时间和准确性之间存在的设备，似乎是任务依赖。用户可能会发现平板电脑在图形解释的准确性很重要并且不受时间限制的情况下最有用。更小的屏幕尺寸提供了与平板电脑相当的准确性性能，并且整体探索速度更快。
PURPOSELarger touchscreens are thought to have distinct benefit over smaller touchscreens for the amount of space available to convey graphical information nonvisually. The current study investigates two questions:(1) Do screen size and grid density impact a user's accuracy on pattern-matching tasks?(2) Do screen size and grid density impact a user's time on task?METHODSFourteen blind and visually impaired individuals were given a pattern-matching task to complete on either a 10.5-in tablet or a 5.1-in phone. The patterns consisted of five vibrating targets imposed on sonified grids that varied in density (higher density= more grid squares). At test, participants compared the touchscreen pattern with a group of physical, embossed patterns and selected the matching pattern. Participants were evaluated on time exploring the pattern on the device and their pattern-matching accuracy. Multiple and logistic regressions were performed on the data.RESULTSDevice size, grid density, and age had no statistically significant effects on the model of pattern-matching accuracy. However, device size, grid density, and age had significant effects on the model for grid exploration. Using the phone, exploring low-density grids, and being older were indicative of faster exploration time.CONCLUSIONSA trade-off of time and accuracy exists between devices that seems to be task dependent. Users may find a tablet most useful in situations where the accuracy of graphic interpretation is important and is not limited by time. Smaller screen sizes afforded comparable accuracy performance to tablets and were faster to explore overall.