Johnson effect illustration
Psychology / Performance / Pressure
Psychology / Performance / Pressure

Johnson effect

Strong practice performance can collapse under real pressure.

Popularity
Usefulness
Aliases
Johnson effect / choking-under-pressure effect
Domains
Psychology, performance, sports, pressure

Definition

  • The Johnson Effect describes how someone who performs well in training repeatedly fails in the actual event — "choking" under the pressure of high-stakes situations.

Core Idea

  • Strong practice performance can collapse under real pressure.
  • High stakes and anxiety undermine well-trained ability.
  • Managing pressure is as important as building skill.

How It Works

  • In low-pressure practice, skill flows naturally.
  • In high-stakes competition, anxiety and over-focus disrupt the same skill.
  • The performer "chokes," underperforming relative to their proven ability.

Usage Example

  • A capable employee who excels in preparation freezes during the actual high-stakes presentation — a classic case of the Johnson Effect that pressure management could ease.

Famous Example

  • Example: Named for an athlete called Johnson who trained well and performed steadily in practice but repeatedly faltered in official competition.
  • Why it fits this rule: It is the archetypal case of choking under pressure.
  • Verification status: A psychology framing; consistent with well-documented research on "choking under pressure." The specific Johnson anecdote is illustrative.

Use Cases / Situations Where It Applies

  • Performance under pressure (sports, exams, presentations).
  • Managing anxiety and high-stakes situations.
  • Coaching and preparation.

When Not to Use or Common Misuse

  • Do not attribute every failure to choking; sometimes skill is simply lacking.
  • Do not increase pressure thinking it sharpens performance.
  • Do not ignore that some pressure can aid performance up to a point.

Rule Invention / Origin

  • Invented by: No single attributed author; named from an athlete anecdote.
  • Year of invention: Modern.
  • Country / context of origin: Popular psychology literature.

Evidence / Research Basis

  • Consistent with research on choking under pressure and the Yerkes-Dodson arousal–performance relationship.