distractor
noun [ C ] education, psychology specialized uk/dɪˈstræk.tər/ us/dɪˈstræk.tɚ/
（多项选择试题中的）错误选项，干扰项
in a test, a wrong answer that is similar to the correct answer, designed to see whether the person being tested can notice the difference
The task is built so that one distractor (or incorrect alternative) shows the same object as the correct picture but with a different attribute. 这个任务的形式是通过让一个干扰项（或不正确的选项）显示与正确图片相同的物体，但属性不同。
- More examples
- For each pair of sentences the "incorrect" picture contains either a grammatical distractor (e.g."He is sitting in the tree" vs. "She is sitting in the tree", for a picture of a girl) or a lexical distractor ("He is sitting in the tree" vs. "He is swinging in the tree").
- In a study of lexical development in which comprehension of 75 terms was assessed, he contrasted the correct referent with a distractor from the same superordinate category.
- Infants were coded correct if they pointed to or touched the target image and incorrect if they pointed to or touched the distractor.
- Later, the pictures are shown again but this time in a random order, interspersed with 20 "distractor" pictures.