What constitutes a set error in Symbol Search?

In the Symbol Search subtest of the WISC-V, a set error occurs when an incorrect symbol is identified as matching the target symbol based on superficial similarity. This typically involves a symbol that bears resemblance or features that are alike but does not match the target symbol in function or specifics. Such errors highlight a child's ability to differentiate between symbols based on visual characteristics, which is an important aspect of visual processing and attention.

The identification of a symbol that looks similar to the target reflects the child's potential challenge in visual discrimination. This skill is crucial not only for successfully completing the task but also for broader cognitive functions related to assessment and processing information. Therefore, recognizing distinguishing features is essential for avoiding set errors in Symbol Search.