·5 min read·psychology
After Working Harder, How Happy Do You Expect to Be?
Explore a 2014 slogan experiment linking work instructions, self-rated quality and anticipated happiness, with independent ratings and causal limits.
Thinking longer about a task may make success seem more emotionally rewarding. Sometimes that expectation rests on an actual improvement in the product; sometimes the effort itself is treated as evidence of quality. Separating the two matters. Working hard describes a person’s experience of production. Producing good work is a judgment about the result that requires its own assessment. A prediction about future happiness can be influenced by the link constructed between those statements.
Gabriela M. Jiga-Boy, Claudia Toma and Olivier Corneille investigated effort and anticipated positive feeling in research published in 2014. This account focuses on their second study, which involved producing an advertising slogan. Participants received different work instructions, then evaluated their slogans and predicted how happy they would be if they won. Independent judges evaluated the same products too. The comparison therefore did more than place several favourable self-reports beside one another. [1]
Different ways of working on one kind of product
Thirty-five student volunteers took part. They received a scenario in which a well-known national advertising agency held a student competition offering a monetary prize and an internship opportunity. Their task was to produce a slogan for an energy drink supposedly in the agency’s portfolio. This was an experimental scenario, not evidence about a real agency’s recruitment conditions or a particular drink’s effects.
Participants in the high-effort condition were told to take the time they needed, not settle on the first idea, generate multiple slogans and choose one after finishing. Those in the low-effort condition were told to respond quickly and use the first slogan that came to mind. Random assignment meant the comparison did not merely depend on some people independently deciding to work longer than others.
The instructions also described different qualities as valued by the agency. Careful idea generation was emphasized in one condition and rapid generation in the other. This detail prevents reducing the intervention simply to elapsed time on a stopwatch. It combined a work style with meaning attached to that style. Explaining every later difference as if only physical fatigue had been manipulated would exceed the design. The experiment compared particular instruction-based high- and low-effort conditions. [1]
How participants viewed their own work
After finishing, students rated how interesting, good, original and attractive their slogans were. They also reported invested effort, the amount of thought and perceived task difficulty. Anticipated happiness if the slogan won was measured separately. These questions concern different quantities: difficulty describes how demanding the task seemed, effort describes how much someone believed they worked, and predicted happiness concerns a result that has not occurred.
The high-effort group reported investing more effort. Perceived difficulty did not differ significantly between conditions. That comparison helps distinguish effort from a judgment of difficulty, although a nonsignificant difference does not establish identical experiences in every respect. The check concerned whether the instructions changed the intended perception of investment.
Participants in the high-effort condition expected greater happiness if their slogan won. They also gave their own products higher quality ratings. Their happiness was not measured after an actual competition result; they imagined a possible success. The finding therefore does not support saying that working harder made participants genuinely happier afterwards. It supports a difference in forecasts following the two work arrangements. [1]
Other people assessed the same slogans
To examine whether the products differed in quality, the researchers asked 24 independent judges to evaluate all 35 slogans using comparable quality dimensions. The high-effort group’s slogans were not significantly better in those ratings. The groups’ average evaluations were close. The distinction participants drew about their own work did not appear in the same way in this outside assessment.
What the authors call objective quality is still a human evaluation. Independent ratings provide a useful comparison with the creator’s own assessment, but do not measure the sales a slogan would generate across every market. No advertising campaign or long-term consumer response was tested. The result should consequently not become a claim that the products were conclusively identical in value for every purpose. More narrowly, the high-effort condition had no established advantage on the quality dimensions assessed by these judges.
Did perceived quality connect effort to the forecast?
The researchers statistically examined whether the relation between condition and anticipated happiness involved participants’ quality ratings. Their analyses were consistent with an indirect relationship through perceived quality. Investment might contribute to the belief that a good product had been created, which could contribute to a forecast of stronger happiness if it succeeded. The authors discuss this as an effort heuristic: expenditure of effort serves as a cue to the quality of an outcome.
Quality judgments were not themselves independently randomized interventions. Participants supplied the quality and happiness measures after the same task. Statistical mediation should therefore not be treated as a direct recording of thoughts unfolding in this order inside the brain. The paper also acknowledges that its results alone do not settle whether effort operates as a simple cue, a justification process or another kind of reasoning pattern. The proposed account organizes the evidence without eliminating every alternative explanation.
Effort is valuable information, but separate information
The experiment does not establish that thinking hard never improves work. Its task was brief slogan production in a small sample. Revision, practice and preparation may genuinely improve other products. Nor did it show that the larger happiness forecast was entirely inaccurate: actual feeling after the imagined success was not compared with the forecast. The results concern how self-evaluation can diverge from independent evaluation and accompany anticipated feeling.
An everyday thinking principle one can cautiously draw is to keep production history and product assessment distinct. This is an interpretation, not a productivity prescription validated by an intervention trial. An effort record helps describe the work performed, while outside feedback adds information about its result. When they point in the same direction, they can support each other; when they diverge, a question opens rather than one source automatically overruling the other. The evidence-based contribution is that effort can function as a cue not only when assessing an outcome, but also when forecasting how success with that outcome would feel.
Sources
[1] Jiga-Boy, G. M., Toma, C., and Corneille, O. (2014). Work More, Then Feel More: The Influence of Effort on Affective Predictions. PLOS ONE, 9(7), e101512. In particular, Study 2 methods and findings and the general discussion’s limits on mechanism were examined directly. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0101512
The source is published under a Creative Commons Attribution licence. Independently written explanation; source prose and competition instructions are not reproduced verbatim. Source access and factual review: October 14, 2026.