Greenwald and his colleagues (2003) asked both Black and White participants to press a "shoot" button when the target appeared to be holding a gun rather than a harmless object such as a flashlight. The results of this study showed that the participants more often misperceived the object and mistakenly shot harmless targets who were Black. This shows that:

Automatic, implicit prejudice.

Explanation:

Implicit prejudice commonly described the prejudice that is, the negative feelings or beliefs about a group that is held by people without them being aware of it. It is an attitude that one may not be aware of and can't report directly.

Automatic, implicit prejudice exists when we unknowingly associate stereotypes and hold attitudes towards others. From the question, the participants shot mostly blacks, this shows that the participants have an automatic, implicit prejudice.

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