Human beings require food, water, and sleep to function physically. But could something similar exist for our psychological well-beintjig and motivation?
According to Self-Determination Theory (SDT), the answer is yes. Decades of psychological research suggest that all people share three fundamental psychological needs that play a central role in motivation, psychological well-being, and optimal functioning.4
Here, motivation has a broader meaning than simply feeling inspired, enthusiastic, or determined. In psychology, motivation refers to the processes that energize, direct, and sustain behavior. It helps explain not only whether we act, but also why we act and what keeps us going.
These needs are known as autonomy, competence, and relatedness.4
At first glance, describing them as basic needs may seem like an exaggeration. After all, unlike hunger or thirst, we can survive without consciously thinking about autonomy or relatedness.
So why are they considered fundamental?
The term basic does not mean these are the only psychological needs people have, nor does it imply that everyone values them equally or expresses them in the same way. Rather, basic is a technical term that reflects the fact that they are considered fundamental because decades of research have consistently shown that their satisfaction is associated with healthier motivation, psychological well-being, and effective functioning, while their frustration is associated with poorer psychological outcomes across different ages, cultures, and life domains.4
This naturally raises another question:
What has research revealed about these three psychological needs—and how do they shape our everyday lives?
Autonomy: Feeling That Our Actions Are Truly Our Own
Perhaps the most misunderstood of the three psychological needs is autonomy.
In everyday language, autonomy is often associated with independence or freedom. But in Self-Determination Theory, autonomy refers to something more specific: the experience of acting with a sense of choice and personal endorsement, rather than feeling pressured or controlled.4
This means autonomy is not determined by how many choices we have, but by how we experience the choices available to us. Even when our options are limited, we may still experience autonomy if we willingly endorse our actions and understand why they matter. Conversely, someone with complete freedom may experience very little autonomy if they constantly feel driven by guilt, fear, or the expectations of others.
Consider an adult caring for an aging parent. One person may do so primarily because they feel trapped by family expectations or fear being judged if they refuse. Another may willingly make the same commitment because caring for their parent reflects values they deeply endorse. Although their behavior is identical, their psychological experience can be very different.
The same principle applies across many areas of life. Two employees may accept the same promotion, two students may enroll in the same degree, or two people may follow the same exercise routine. Although their behavior looks identical, one person may experience their actions as personally meaningful and self-endorsed, while the other feels driven primarily by obligation, pressure, or the expectations of others.4
People are generally more likely to maintain motivation, engage more fully, and experience greater psychological well-being when they experience a genuine sense of autonomy—even when the activity itself is challenging or not immediately enjoyable.
Competence: Feeling Capable of Growing and Mastering Challenges
Competence is not about being exceptionally talented, outperforming others, or always succeeding. Rather, it refers to feeling effective in our interactions with the world—to developing skills, overcoming challenges, and becoming increasingly capable over time.4
Most of us have experienced this feeling while learning something new. At first, progress is often slow and mistakes are frequent. Gradually, however, tasks that once seemed difficult become manageable. That growing sense of effectiveness can increase confidence, make the activity more satisfying, and encourage us to continue improving.
Importantly, competence is not built simply by succeeding. Challenges that are too easy often become boring because they provide little opportunity for growth. On the other hand, challenges that greatly exceed our abilities can lead to frustration and discouragement. Motivation tends to be strongest when we are working toward goals that are demanding enough to promote learning while remaining achievable through effort and practice.2
This principle can be observed across many areas of life. A musician mastering a difficult piece, an athlete refining a technique, a programmer learning a new language, or a student gradually understanding a challenging subject may all experience greater motivation as their sense of competence grows. Although the activities themselves are very different, they can all satisfy the need for competence by giving us opportunities to develop skills, overcome challenges, and experience a growing sense of effectiveness.4
Relatedness: Feeling Connected and Valued
Relatedness refers to feeling connected to others, cared for, and valued within meaningful relationships or communities. It is not simply about how many people surround us. A few meaningful relationships can provide a stronger sense of connection than dozens of superficial ones.
When the need for relatedness is not met, the experience can take different forms depending on the situation. A person may feel lonely, rejected, excluded, or simply disconnected from those around them. When these experiences are persistent, they can undermine psychological well-being and motivation. This is one reason relatedness is considered a basic psychological need in Self-Determination Theory.
The Harvard Study of Adult Development, which has followed participants for more than eight decades, has found that the quality of people’s relationships is closely associated with how well they age. Researchers found that relationship satisfaction in midlife was a better predictor of physical health decades later than cholesterol levels. People who were most satisfied with their relationships at age 50 tended to be the healthiest at age 80.6
The effects of relationships can go far beyond how we feel in the moment. They can influence our health and well-being over many years. When the need for relatedness is satisfied, people are more likely to feel supported and secure, which can strengthen motivation and psychological well-being. When that need is repeatedly frustrated through rejection, isolation, or a lack of meaningful connection, the consequences can run in the opposite direction.
Can We Be Motivated Without These Needs?
At first glance, it might seem that Self-Determination Theory predicts people cannot be motivated unless these three psychological needs are satisfied. That is not what the theory proposes.4
People can be highly motivated while experiencing little autonomy, competence, or relatedness. Fear of failure, financial pressure, deadlines, social expectations, or the desire for approval can all drive sustained effort. In some cases, these sources of motivation can even lead to impressive levels of performance.3
The distinction lies not in whether people are motivated, but in the quality of that motivation.
When motivation develops in environments that consistently support autonomy, competence, and relatedness, it is more likely to be experienced as self-endorsed, psychologically nourishing, and sustainable over time.4 This can matter for performance as well. Motivation that is supported by these needs tends to be associated with greater engagement, persistence, learning, and more effective performance, particularly when tasks require sustained effort, flexibility, or problem-solving.1,5 By contrast, motivation driven primarily by pressure, obligation, or external demands may still produce persistence and achievement, but it is generally associated with lower well-being and can become more difficult to sustain over the long term.3
Outwardly, the two forms of motivation may look similar. Two people can work equally hard, meet the same deadline, or achieve the same immediate result, while differing substantially in how they approach the task and what happens when the pressure is removed. One may remain engaged because the work feels meaningful and self-endorsed; the other may perform mainly because of pressure or fear of consequences. The difference may become most visible when circumstances change, when the task becomes more difficult, or when external pressure is no longer present.3
More Than Three Separate Needs
Although autonomy, competence, and relatedness are often discussed individually, our everyday experiences are usually shaped by all three at once.4
Satisfying one psychological need cannot compensate for the frustration of another; each has its own contribution to psychological functioning. In some situations, pursuing one need can even come at the expense of another.
An environment might support competence while placing pressure on people’s sense of choice. A promotion, for example, may strengthen someone’s sense of competence by recognizing their abilities while simultaneously reducing their autonomy if it comes with constant micromanagement or greater external pressure. Likewise, joining a new team may strengthen relatedness while temporarily challenging a person’s sense of competence as they adapt to unfamiliar responsibilities.
Different situations can support some needs while making others harder to satisfy. We may have the option to choose a different environment or change parts of the one we are in, but there are also situations we cannot easily change.
Understanding these trade-offs can help us think more strategically about the environments we choose and the changes we try to make within them. Sometimes the best option is to change the situation itself; in other cases, it may be more realistic to adjust how we approach it or find other ways to support the need that is being neglected.
Why This Matters
Self-Determination Theory gives us more than a way to understand motivation. It gives us a different way to look at the situations we spend our time in.
When motivation drops, the problem may not be a lack of discipline or desire. Something about the situation may be making it harder to feel capable, in control of our actions, or connected to the people around us. Recognizing which need is being frustrated can change the question from “What is wrong with me?” to “What is happening here?”
This perspective can also change how we think about the choices we make. A job that pays well but leaves us constantly controlled may affect us differently from one that gives us more freedom. A challenging role may be energizing when it helps us grow, but exhausting when we repeatedly feel incapable of meeting its demands. A social environment may be full of people and activity while still leaving us feeling disconnected.
We cannot always change these circumstances. But we may have more options than we initially realize. We can sometimes change part of the situation, negotiate for something different, choose another environment, or find ways to support the need that is being neglected. Understanding the three needs can help us recognize which of these options is most likely to make a difference.
The broader lesson is that motivation is not simply something we either have or lack. The conditions around us can make motivation easier to sustain or progressively harder to maintain. Autonomy, competence, and relatedness give us a framework for understanding some of those conditions—and for thinking more deliberately about what we can do about them.
Where We’re Going Next
In the next article, we will take a closer look at self-worth: why simply having high self-esteem does not necessarily mean having a stable or healthy sense of worth, and what psychological research can tell us about what our sense of value depends on.
This article is just one piece of a much larger picture.
Over the past two years, I’ve studied the scientific literature on motivation, psychology, neuroscience, and behavior change with one goal: to separate evidence from myths, oversimplifications, and unsupported claims.
That work became The Psychology of Behavior Change—a research-based course that expands on these ideas through practical lessons and evidence-based strategies designed for everyday life.
References
- Cerasoli, C. P., Nicklin, J. M., & Nassrelgrgawi, A. S. (2016). Performance, incentives, and needs for autonomy, competence, and relatedness: A meta-analysis. Motivation and Emotion, 40(6), 781–813. https://doi.org/10.1007/s11031-016-9578-2
- Deterding, S., Guckelsberger, C., Lintunen, E. M., & Ady, N. M. (2026). Advancing Self-Determination Theory via computational modelling: The case of competence and optimal challenge. Motivation and Emotion, 50, 80–99. https://doi.org/10.1007/s11031-025-10156-8
- Howard, J. L., Bureau, J., Guay, F., Chong, J. X. Y., & Ryan, R. M. (2021). Student motivation and associated outcomes: A meta-analysis from Self-Determination Theory. Perspectives on Psychological Science, 16(6), 1300–1323. https://doi.org/10.1177/1745691620966789
- Ryan, R. M., & Deci, E. L. (2017). Self-Determination Theory: Basic psychological needs in motivation, development, and wellness. Guilford Press.
- Slemp, G. R., Field, J. G., Ryan, R. M., Forner, V. W., Van den Broeck, A., & Lewis, K. J. (2024). Interpersonal supports for basic psychological needs and their relations with motivation, well-being, and performance: A meta-analysis. Journal of Personality and Social Psychology, 127(5), 1012–1037. https://doi.org/10.1037/pspi0000459
- Waldinger, R. J., & Schulz, M. S. (2023). The good life: Lessons from the world’s longest scientific study of happiness. Simon & Schuster.
