Feeling effortful does not prove that a task is valuable, sustainable, or worth pushing through indefinitely.
What the paper gives us.
- 01
Effort has a cost signal
The review supports theories that mental effort is inherently aversive. Your resistance to a complex task may be a normal feature of cognition rather than a character flaw.
- 02
Do not romanticize strain
The result is descriptive, not a command to suffer. It does not distinguish useful challenge from a poorly scoped, ambiguous, or exhausting task.
- 03
Design around predictable friction
If hard thinking predictably feels costly, structure can help: a clear next action, a smaller entry point, a protected block, and recovery afterward.
What was actually studied.
- Design
- Meta-analytic review
- Sample
- 170 studies · 4,670 participants
- Population
- Students, employees, athletes, and other adult groups across 29 countries.
- Comparison
- Reported effort and negative affect across 358 task conditions.
- Outcomes
- Association between perceived mental effort and unpleasant feelings.
- Effect
- A strong positive association was found across most tested moderators.
What this may mean for work.
Use the feeling of friction as a cue to inspect the task before you abandon it. Is it difficult because it is important, because it is unclear, or because your energy is gone? Those are different problems and deserve different responses.
This is VSX's practical inference, not a claim directly established by the study.
Name the friction
Before beginning a hard task, write the first reason it feels aversive: ambiguity, fear of evaluation, low energy, boredom, or genuine complexity. Then make one matching adjustment—define a next action, shorten the block, or ask for context—and note whether starting becomes easier.
Where the claim stops.
- The analysis relies on a common self-report framework, not objective effort measures alone.
- Association does not explain why any one person finds a task aversive.
- The source studies were published in 2019–2020, though the synthesis is recent.
Read the original research.
Erik Bijleveld and colleagues. “The unpleasantness of thinking: A meta-analytic review of the association between mental effort and negative affect.” Psychological Bulletin, 2024.
Open source paperReviewed by VSX on July 18, 2026.