-	These traits are about people’s motivations for doing certain actions. There are three different types of dynamic traits:
o	Erg
o	Sentiment
o	Attitude


Butler University

These are traits that are the underlying contributions to surface traits. They are explained and are causative.

Source traits

Olson, Matthew H., et al. An Introduction to Theories of Personality. 9th ed., Pearson, 2020. 

Reference

These are constitutional source traits that explains the effectiveness of someone’s actions.

Ability Traits

These are constitutional source traits that are specific to one’s own personal way of going about tasks. This is about their own style instead about their success rate. 

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