This work evaluates three 3D user interaction techniques to investigate their visuo-spatial working memory support for users' data exploration in immersive analytics. Two techniques are the common VR locomotion technique, Walking and Teleportation, while the other one is Grab, an object manipulation technique. We present two formal user studies in VR and AR. Our study is designed based on the Corsi block-tapping Task, a psychological test for assessing visuo-spatial working memory. Our study results show that Walking supports spatial memory best, and Grab follows. Though Teleportation is found to support it the least, participants rated Teleportation as the easiest way to move in the VR study. We also compare the Walking and Grab results in the VR and AR studies and discuss differences. At last, we discuss our limitations and future work.

翻译：本研究评估了三种3D用户交互技术，以探究它们在沉浸式分析中对用户数据探索的视觉空间工作记忆支持。其中两种技术是常见的VR移动技术——步行与传送，另一种是抓取，即物体操控技术。我们在VR和AR中开展了两项正式的用户研究。研究设计基于科西块敲击任务，这是一种用于评估视觉空间工作记忆的心理测试。研究结果显示，步行对空间记忆的支持最佳，抓取次之。尽管传送被发现支持效果最差，但参与者在VR研究中将其评为最易移动的方式。我们还比较了VR与AR研究中步行和抓取的结果，并讨论了差异。最后，我们提出了局限性和未来工作方向。