Free interaction
自由交互，HCI/UX 研究方法之一，让参与者在没有指定任务的情况下自由探索和使用系统，研究者借此观察自然使用行为、指令多样性与自发性。
English Definition
"An HCI/UX research methodology in which participants are given access to a system without prescribed tasks, allowing researchers to observe natural usage behavior, command variety, and self-directed exploration."
用法说明 · 针对中文母语者
Free interaction 与 task-based evaluation（任务型评估）相对，常用于儿童交互研究，因为低龄儿童对结构化任务的配合度较低。中文字面译法'自由交互'易与泛指'自由地操作'混淆，使用时建议加引号或注释说明研究方法学含义。
真实用例 · 2 条
"Sapounidis and Demetriadis also conducted a study in a school measuring three variables related to children's performance on tasks and four variables associated with performance during free interaction with TUI and GUI interfaces."
"In free interaction, analysis revealed that the older children in the TUI group used a wider variety of commands and parameters to extensively explore the capabilities, whilst their counterparts in the GUI group did not."