Motivation plays a crucial role in influencing behavior and actions. One prominent theory of motivation, called the Self-Determination Theory (SDT), emphasizes the importance of intrinsic and extrinsic motivations. Intrinsic motivation refers to engaging in an activity for its own sake, while extrinsic motivation refers to performing an activity to achieve a separable outcome.
According to SDT, which of the following factors primarily fosters intrinsic motivation?