A self-fulfilling prophecy is a belief or expectation that becomes true simply because holding it changes how a person behaves, whether toward themselves or someone else. Much like confirmation bias, the belief quietly steers behaviour until reality bends to match it.
Key Takeaways
- Definition: A prediction that causes itself to become true.
- How It Works: Your expectations about someone can lead them to behave in ways that confirm those expectations.
- Placebo Effect: People feel better after taking an inactive look-alike treatment, simply because they expect it to work.
- Classroom: A teacher’s expectations shape how students behave, confirming a belief that was originally false. Expectations often run lower for disadvantaged students.
- Two Types: Self-imposed prophecies come from your own expectations. Other-imposed prophecies come from other people’s.
- Pygmalion Effect: An other-imposed prophecy. How you treat someone directly affects how they act.
- Unconscious: People may bring about what they expect, through action or inaction, without realising it.
Definition
In 1948, Robert K. Merton coined the term self-fulfilling prophecy to describe “a false definition of the situation evoking a behavior which makes the originally false conception come true” (Merton, 1968, p. 477).
In other words, a misrepresentation of reality or guessing at the truth that, in turn, causes behaviors that would end up making this hypothetical into an actual reality.
Simply put, a false reality could actually become truth due to human psychological responses to predictions, fears, and worries associated with the future.
The self-fulfilling prophecy has also been referred to as the “bootstrapped induction,” the “Barnesian performativity,” or “The Oedipus effect” (Biggs, 2011).
Self-Fulfilling Prophecy Examples
Placebo Effect
An example of a self-fulfilling prophecy is known as the placebo effect. Patients are randomly split into two groups. One group receives the real treatment, and the other receives a placebo, an inactive “fake treatment.”
The placebo group often still improves. This happens even though the treatment itself has no active ingredient.
The belief that a treatment will work, not the treatment itself, is what fulfills the prophecy.
Stereotype Threat
Stereotype threat is the fear that one’s own behavior might confirm a negative stereotype about one’s group (Steele, 1997). That fear alone can produce the very outcome it worries about.
A well-known example involves standardized testing. Researchers once assumed that African American students scored lower because they were less capable (Dzaferagic, 2019).
Steele’s research offered a different explanation. The stereotype itself, not any real gap in ability, was driving some of the poor performance.
Worrying about confirming the stereotype made students anxious during the test. That anxiety then lowered their scores, seeming to “confirm” the very stereotype that caused it.
Types
There are two types of self-fulfilling prophecies: self-imposed and other-imposed (Adler, 2012). Both lead to the same result, yet they are different approaches to getting there.
Self-Imposed Prophecies
In a self-imposed prophecy, one’s own expectations are the causal factor for one’s actions. An example is illustrated through a public speaking scenario.
In this scenario, a man named John has had previous experience with failure in a public speaking setting. He is extremely nervous and believes he will fail.
Due to this, as he begins his speech, he stumbles over his words, forgets his lines, and fails to produce a coherent message. Therefore, because John believed he would fail, he did.
Other-Imposed Prophecies
An other-imposed self-fulfilling prophecy arises when others’ expectations of another individual affect the actions of that individual. A classic example is the fortune teller scenario.
Cindy, a fortune teller, tells a man named Peter that he will one day become a therapist. Believing her, Peter starts to see himself that way.
Over time, he pursues that identity and eventually becomes a therapist. It is another example of an other-imposed self-fulfilling prophecy, much like the Oedipus story above.
Other-imposed prophecies also fuel racial and gender stereotypes. Expecting someone to fit a stereotype can lead to treating them in ways that box them into it.
For example, expecting a person of one race to act a certain way can shape how they are treated. That treatment can push them toward the stereotype.
Similarly, if women are stereotyped as suited only to lesser roles, they may fulfill that stereotype. They can then fail to reach their full potential.
The key idea behind both types of self-fulfilling prophecy is the same: an unfounded, false belief spurs behavior that treats it as real. Over time, that behavior builds the very reality the belief predicted.
The Pygmalion Effect
“When we expect certain behaviors of others, we are likely to act in ways that make the expected behavior more likely to occur.” (Rosenthal & Babad, 1985).
The term Pygmalion Effect comes from a Greek myth, retold in Ovid’s poem Metamorphoses (The Pygmalion Effect, 2020), and from George Bernard Shaw’s play of the same name.
In the myth, Pygmalion is a sculptor who falls in love with his own creation. He begs the gods for a wife just like her.
The gods grant his wish, and the statue comes to life. Rosenthal and Jacobson borrowed the name for their own classroom findings.
Rosenthal and Jacobson (1968)
A famous study on other-imposed self-fulfilling prophecies is the Pygmalion Effect. Rosenthal and Jacobson (1968) tested whether student achievement could become self-fulfilling based on a teacher’s expectations.
Rosenthal and Jacobson gave the children a genuine IQ test. Teachers were then told which children were ‘Bloomers’, the twenty percent said to show “unusual potential for intellectual growth.”
The teachers were unaware of any different treatment. Yet subtle changes crept in: a warmer manner, more challenging material, and richer feedback when a bloomer got an answer wrong.
Bloomers were also called on more often and given more time to answer.
However, unknown to the teachers, these students were selected randomly and may or may not have fulfilled that criterion.
Eight months later, they retested the children’s intelligence.
The results showed that Bloomers IQ scores had risen (experimental group) significantly higher than the average students (control group), even though these academic bloomers were chosen at random. The bloomers gained an average of two IQ points in verbal ability, seven points in reasoning and four points in over all IQ.
The experiment confirmed the self-fulfilling prophecy. The teachers’ expectations had altered the way the children were treated, and this had affected their abilities.
According to the Pygmalion effect, the teachers’ expectations became internalized by the students as part of their self-concept. Once internalized, students acted in line with these new beliefs about themselves.
These results were replicated in college-aged students as well. Studies conducted in algebra classes at The Air Force Academy, engineering students, and many other universities replicated these results (Rosenthal & Rubin, 1978).
Implications
Stereotypes are often part of self-fulfilling prophecies. Claude Steele’s research (1997) on stereotype threat found that students who fear confirming a negative stereotype about their group often worry during a test. That worry alone can lower their performance, ironically confirming the very stereotype they feared.
Stereotype threat has been measured in high-achieving African American students as well as highly ranked female math students (Spencer, Steele, and Quinn 1999).
These findings have far-reaching implications. They can help or harm people well beyond the classroom.
When parents treat their children as capable and independent, the Pygmalion effect suggests those children tend to internalize that view and act accordingly.
The reverse also holds. A parent who views their child as incapable or weak may see the child live down to that expectation.
The same pattern shows up at work. A manager who raises expectations for their team tends to see performance rise in turn.
The Golem Effect
The Pygmalion effect has a dark twin: the Golem effect. Here, low expectations actively lower a target’s performance rather than raise it. The mechanism runs in reverse.
The name comes from Jewish folklore’s destructive artificial being (Babad, Inbar, & Rosenthal, 1982). A teacher, manager, or clinician who expects little from someone tends to give them less attention and less challenge. That person often performs accordingly.
The Golem effect is harder to study than its positive counterpart. Testing it means deliberately lowering someone’s expectations, which raises real ethical concerns. Yet its everyday, low-visibility harm on disadvantaged pupils or employees may exceed the more famous Pygmalion successes.
The Causal Loop
A self-fulfilling prophecy may be a form of causality loop, also known as feedback loops.
They are described as “a system in which two or more aspects of the system influence each other” (Loper, 2014).
In abstract terms, Event A leads to event B, leads to event C, leads to event D, which then leads to event A again. The cycle then repeats.
These loops, in turn, are perfect examples of feedback cycles. Once the cycle begins, it is difficult to remove oneself from the situation and prevent uncontrollable actions and outcomes. The prophecy itself serves as the drive for an action, and thus it is self-fulfilling.
Merton exemplified his casual loop process in his book Social Theory and Social Structure in 1949. In it, he shows how causal loops can push forth this idea of a self-fulfilling prophecy.
He depicted a bank run as an example (Ackerman, 2020). A rumor spreads that a bank is failing. Depositors panic and withdraw their money.
The bank then genuinely starts to struggle, so even more people withdraw their money too. Eventually, it collapses. The rumor has become fact.
Once a loop like this gains momentum, the outcome becomes very real. Stopping it is hard, because the cause was rumor or superstition rather than fact from the start.
Examples
The concept that our thoughts affect our feelings which affect our behaviors which affect our thoughts, an example of a causal loop, is cognitive behavioral therapy. Interrupting the cycle by controlling one’s actions is a major step toward recovery for those living with depression.
Common to many diagnosed with depression are negative thoughts and untrue self-statements of their abilities or worth.
A person may begin a casual loop with a simple statement such as “I can’t ever do anything right.” This can result in negative feelings which in turn leads to negative actions or a lack of self-care.
If they continue to act in a non-beneficiary manner, they will inevitably fulfill their predictions leading them to become depressed.
Learning Check
Which of the following is an example of the self-fulfilling prophecy?
- Jane believes she will fail her exam, so she doesn’t study and ends up failing.
- John thinks he is very good at basketball, so he practices daily and becomes a star player.
- Mary is scared of dogs, so she avoids going to parks where dogs might be present.
- Mike thinks he’s bad at cooking, so he never tries and orders take-out instead.
Answer: Options 1 and 4 are self-fulfilling prophecies.
Jane expects to fail, so she skips studying and then fails. Mike believes he’s a bad cook, so he never tries and always orders take-out. Each belief directly causes the behavior that then confirms it.
Critical Evaluation
The self-fulfilling prophecy is one of psychology’s most cited ideas, but the evidence for it is more limited than the classic demonstrations suggest.
- Flawed Founding Study: Pygmalion in the Classroom was criticized for an unreliable IQ test and questionable statistics.
- Real But Modest Effects: Naturally occurring teacher expectations mostly track pupils’ true ability rather than distorting it.
- Effects Fade Over Time: Expectancy effects tend to shrink from one year and one teacher to the next, rather than build up.
Flawed Founding Study
Reviewers questioned the study almost immediately. Thorndike (1968) pointed to serious problems with the IQ test used at the youngest ages, where most of the reported gains were concentrated, including implausible pre-test scores.
A later reanalysis by Elashoff and Snow (1971) reached a similarly sceptical verdict, arguing the original claims did not survive closer scrutiny. The most famous demonstration of the effect is, ironically, one of its weakest pieces of evidence.
Timing matters too.
A synthesis of eighteen experimental studies found that large expectancy effects appeared mainly when false beliefs were planted before teachers met their pupils (Raudenbush, 1984). Once teachers already knew the children, the effect shrank toward zero.
This is a real limit on the founding study’s relevance, since teachers in ordinary classrooms almost always already know their pupils before forming impressions.
Real But Modest Effects
Lee Jussim leads the most influential modern criticism. He argues self-fulfilling prophecies are real but modest. Naturally occurring teacher expectations predict pupil achievement mostly because those expectations are accurate.
Teachers, on the whole, are reasonably good judges of which children are already doing well (Jussim & Harber, 2005; Madon, Jussim, & Eccles, 1997). Once that accuracy is accounted for, the genuinely self-fulfilling part of the correlation is small.
This reframes the entire debate about the theory.
The real question is not how powerfully expectations distort reality, but how limited that distorting power usually is. Where effects do persist, they tend to fall on the most vulnerable and stereotyped groups, which is where they matter most (Gentrup, Lorenz, Kristen, & Kogan, 2020).
Effects Fade Over Time
A natural worry is that small yearly effects snowball into large gaps across a school career. The evidence usually points the other way.
Self-fulfilling effects tend to fade rather than build up, because each new teacher a child meets re-forms their own expectations from fresh evidence (Jussim & Harber, 2005). One biased year does not doom the next.
Not every child is equally exposed.
The exception is telling. Where bias does persist across years, it falls hardest on the most stereotyped pupils, exactly where the ethical stakes are highest.
Even so, the effect is not merely academic. Because it falls hardest on already-disadvantaged pupils, interventions that target teacher expectations remain worthwhile even under this more modest, modern reading of the evidence.
Contemporary Research
Research since 2015 has largely confirmed the “small-but-real, accuracy-over-bias” picture. It asks more precisely when, and for whom, expectations become self-fulfilling. The anchor is a large longitudinal study by Gentrup and colleagues (2020).
Aim: To determine, in a real school system, whether teacher expectations are accurate or biased, and whether teacher feedback transmits any bias to pupils’ achievement.
Method: The design was ambitious. Researchers followed 1,026 first-graders across 64 classrooms for a full school year. They measured achievement, ability, and motivation at the start, then recorded each teacher’s expectations.
Achievement was measured again at year’s end. A video-observed subsample of 19 classrooms also coded the quality of teacher feedback.
Findings: Teacher expectations were largely accurate, tracking children’s real ability and motivation closely. But they were not perfect.
The residual inaccuracy still mattered for achievement. Children held to inaccurately high expectations gained more over the year; those held to inaccurately low expectations gained less, controlling for their true starting point.
Conclusion: Teacher expectations mostly mirror pupils’ existing performance.
But the causal part is real: the inaccurate slice of an expectation nudges achievement up or down. The study moves the field from asking whether expectancy effects happen toward asking how, and how much.
Reviews of decades of teacher-expectation research reach the same conclusion. Effects are small and accuracy-driven on average. Yet some teachers are far more expectancy-biased than others (Gentrup, Lorenz, Kristen, & Kogan, 2020). The pupils most exposed tend to come from stereotyped or disadvantaged groups (Jussim & Harber, 2005).
References
Ackerman, C. E. (2020, April 17). Self-Fulfilling Prophecy in Psychology: 10 Examples and Definition. Positive Psychology. https://positivepsychology.com/self-fulfilling-prophecy/
Adler, R. B., Rosenfeld, L. B., & Ii, R. P. F. (2012). Interplay: The Process of Interpersonal Communication (12th ed.). Oxford University Press.
Babad, E. Y., Inbar, J., & Rosenthal, R. (1982). Pygmalion, Galatea, and the Golem: Investigations of biased and unbiased teachers. Journal of Educational Psychology, 74(4), 459–474. https://doi.org/10.1037/0022-0663.74.4.459
Biggs, M. (2009). Self-fulfilling prophecies. The Oxford handbook of analytical sociology, 294-314.
Dzaferagic, N. (2019, July 23). JLF 16 – Self-fulfilling Prophecy and Stereotypes. Humanity in Action. https://www.humanityinaction.org/knowledge_detail/self-fulfilling-prophecy-and-stereotypes/
Elashoff, J. D., & Snow, R. E. (1971). Pygmalion reconsidered: A case study in statistical inference. Charles A. Jones.
Gentrup, S., Lorenz, G., Kristen, C., & Kogan, I. (2020). Self-fulfilling prophecies in the classroom: Teacher expectations, teacher feedback and student achievement. Learning and Instruction, 66, 101296. https://doi.org/10.1016/j.learninstruc.2019.101296
Jussim, L., & Harber, K. D. (2005). Teacher expectations and self-fulfilling prophecies: Knowns and unknowns, resolved and unresolved controversies. Personality and Social Psychology Review, 9(2), 131–155. https://doi.org/10.1207/s15327957pspr0902_3
Loper, C. (2014, September 22). Feedback Loops. Northwest Educational Services. https://www.nwtutoring.com/2014/09/22/feedback-loops/
Madon, S., Jussim, L., & Eccles, J. (1997). In search of the powerful self-fulfilling prophecy. Journal of Personality and Social Psychology, 72(4), 791–809. https://doi.org/10.1037/0022-3514.72.4.791
Merton, R. K. (1948). The self-fulfilling prophecy. The Antioch Review, 8 (2), 193-210.
Raudenbush, S. W. (1984). Magnitude of teacher expectancy effects on pupil IQ as a function of the credibility of expectancy induction: A synthesis of findings from 18 experiments. Journal of Educational Psychology, 76(1), 85–97. https://doi.org/10.1037/0022-0663.76.1.85
Rosenthal, R., & Jacobson, L. (1968). Pygmalion in the classroom. The Urban Review, 3 (1), 16-20.
Rosenthal, R., & Rubin, D. B. (1978). Interpersonal expectancy effects: The first 345 studies. Behavioral and Brain Sciences, 1 (3), 377-386.
Spencer, S. J., Steele, C. M., & Quinn, D. M. (1999). Stereotype threat and women’s math performance. Journal of experimental social psychology, 35 (1), 4-28.
Steele, C. M. (1997). A threat in the air: How stereotypes shape intellectual identity and performance. American Psychologist, 52 (6), 613.
Thorndike, R. L. (1968). Review of Pygmalion in the classroom. American Educational Research Journal, 5(4), 708–711.
Further Information
- The self-fulfilling prophecy in close relationships: Rejection sensitivity and rejection by romantic partners. Journal of Personality and Social Psychology, 75 (2), 545.
- The impact of mothers’ gender-role stereotypic beliefs on mothers’ and children’s ability perceptions. Journal of Personality and Social Psychology, 63 (6), 932.
- The self-fulfilling nature of positive illusions in romantic relationships: Love is not blind, but prescient. Journal of Personality and Social Psychology, 71 (6), 1155.
- Pygmalion and intelligence? Current Directions in Psychological Science, 4 (6), 169-171.
