New insights on what leads bilinguals to be able to name some pictures only in their nondominant language: Immersion, dominance reversal, and balanced bilingualism.

Either-language scoring benefits bilinguals with higher proficiency level in the nondominant language, which is more likely in bilinguals with extended immersion in the nondominant language, who also tend to be more balanced bilinguals, and for young adult bilinguals who may be in the process of a switch in which language is dominant.