This study examines whether nonverbal visual and/or auditory channels are more effective in detecting foreign-language anxiety. Recent research suggests that language teachers are often able to successfully decode the nonverbal behaviors indicative of foreign-language anxiety; however, relatively little is known about whether visual and/or auditory channels are more effective. To this end, a group of 36 preservice English-language teachers were asked to view videotaped oral presentations of seven beginning English-language learners under three conditions: visual only, audio only, and a combination of visual and audio in order to judge their foreign-language anxiety status. The evidence gathered through this study did not conclusively determine the channel though which foreign-language anxiety could be most accurately decoded, but it did suggest indicators in the auditory and visual modes that could lead to more successful determination of behaviors indicative of negative affect.