Bryce often acts overly confident and daring. Few people realize he is actually riddled with unconscious insecurity and self-doubt. Bryce best illustrates the use of an ego defense mechanism known as?

In psychology, reaction formation is a defense mechanism in which a person unconsciously replaces an unwanted or anxiety-provoking impulse with its opposite, often expressed in an exaggerated or showy way.

As explained in the question, reaction formations talk about the psychological figure where people behave in ways they consciously wouldn't behave or do things they don't like.

It refers to people who might act exaggeratedly when opposing something they don't like or don't want to do, in an effort to hide their likes and desires.

Here are some additional examples of reaction formation:

During adolescence, when people want to psychologically separate from their parents, a teenager expresses contempt for their parents to avoid acknowledging any feelings of love or affection toward them.
Individuals who cannot consciously accept their anger and aggressive desires act in a calm, passive manner.

Therefore, we can conclude that the correct option is D.

Your question is incomplete, but most probably your full question was:

Bryce often acts so daring and overly confident that few people realize he is actually riddled with unconscious insecurity and self-doubt. Bryce best illustrates the use of a defense mechanism known as

a. regression.

b. projection.

c. displacement.

d. reaction formation.

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