Cognitive biases · Judgement
Illusion of control
We often feel we can steer outcomes that are mostly down to luck, especially when we get to make choices.
What it is
The illusion of control is the tendency to believe we have more influence over an outcome than we really do. Langer (1975) defined it as expecting a higher chance of personal success than the objective odds justify. It is strongest when a chance situation looks like a skill situation: when we get to choose, practice, compete or feel familiar with what we are doing.
An everyday example
At a board-game night, one player insists on rolling the dice themselves when they need a six, shaking them for longer and throwing them a certain way. Asked directly, they would agree that a fair die doesn’t care. Yet acting feels as if it makes a difference.
A higher-stakes version shows up in investing: frequent trading, checking prices constantly or following a personal ritual can create a feeling of being in charge, even when results depend mostly on market movements no one controls.
Why it happens
Our minds are built to look for links between actions and outcomes, because in most of life effort and choice really do matter. Features that normally signal skill, such as making choices, being actively involved, or getting familiar with a task, can trigger that sense of agency even when the outcome is random (Langer, 1975).
How to counter it
- Ask what actually drives the outcome. Separate the parts you influence (preparation, costs, timing of your own effort) from the parts you don’t.
- Look at the odds, not the ritual. If a choice doesn’t change the probabilities, it shouldn’t change how much you bet or pay.
- Keep score. Track whether your “feel” for a random process ever beats chance over many tries.
- Don’t swing to the opposite extreme. Where you really do have influence, use it.
What the research shows
In one of Langer’s (1975) studies, participants entered a workplace lottery. Those who picked their own ticket asked for a much higher price to sell it back than those who were simply handed one, even though every ticket had the same chance of winning.
Later work adds important nuance. Gino, Sharek and Moore (2011) found that people are not simply biased toward too much control. When their real control was low, they overestimated it; when their control was high, they tended to underestimate it. In their view, people are imperfectly calibrated, and classic studies mostly tested low-control situations. And in a series of 17 experiments, Klusowski, Small and Simmons (2021) found that merely choosing among identical options rarely made people feel more likely to win, which questions how much of Langer’s lottery result was really caused by choice.
Sources
- Langer, E. J. (1975). The illusion of control. Journal of Personality and Social Psychology, 32(2), 311–328. https://doi.org/10.1037/0022-3514.32.2.311
- Gino, F., Sharek, Z., & Moore, D. A. (2011). Keeping the illusion of control under control: Ceilings, floors, and imperfect calibration. Organizational Behavior and Human Decision Processes, 114(2), 104–114. https://doi.org/10.1016/j.obhdp.2010.10.002
- Klusowski, J., Small, D. A., & Simmons, J. P. (2021). Does choice cause an illusion of control? Psychological Science, 32(2), 159–172. https://doi.org/10.1177/0956797620958009