Which of the “big five” personality dimensions refers to being talkative and energetic?

The "big five" personality dimension that refers to being talkative and energetic is Extraversion. Extraversion is characterized by traits such as being outgoing, sociable, assertive, and energetic. People who score high on extraversion tend to seek social interactions, enjoy being around others, and often display a more energetic and talkative nature.

The Big Five personality dimensions are:

• Extraversion (sometimes called surgency): This dimension refers to how outgoing and energized someone is. People who are high in extraversion are typically talkative, assertive, and enjoy being around others.
• Agreeableness (sometimes called agreeableness): This dimension refers to how kind and cooperative someone is. People who are high in agreeableness are typically sympathetic, forgiving, and put the needs of others before their own.
• Conscientiousness (sometimes called industriousness): This dimension refers to how organized, responsible, and hardworking someone is. People who are high in conscientiousness are typically reliable, detail-oriented, and set high standards for themselves.
• Neuroticism (sometimes called emotional stability): This dimension refers to how prone someone is to negative emotions such as anxiety, anger, and depression. People who are high in neuroticism are typically more sensitive to stress and have more difficulty coping with negative emotions.
• Openness to experience (sometimes called intellect): This dimension refers to how open someone is to new ideas and experiences. People who are high in openness to experience are typically curious, imaginative, and enjoy trying new things.

The Big Five personality dimensions are considered to be the most widely accepted model of personality in psychology. They have been shown to be reliable and valid across cultures and age groups.

In terms of your question, the Big Five personality dimension that refers to being talkative and energetic is extraversion. People who are high in extraversion are typically outgoing and enjoy being around others. They are also often talkative and energetic.

I hope this helps!