thin-slicing
Quick-read decision making
Thin-slicing is making rapid judgments or assessments based on very limited information—a narrow "slice" of experience.
The term comes from psychology, describing how people can form accurate impressions from brief observations: Thin-slicing lets experienced teachers assess a classroom in seconds.
The concept gained popular attention through Malcolm Gladwell's *Blink*, which explored how snap judgments can be surprisingly reliable—or dangerously biased.
Instant opinions of someone
- blinkRapid lid movement
- heuristicsPractical problem-solving shortcuts
- gut feelingInstinctive sense about something
- implicit understandingAssumed shared knowledge, unstated
Brief involuntary facial signals
- nonverbal cuesUnspoken communication signals
- body languageUnspoken physical expression
- facial expressionsVisible emotional displays
- tone of voiceVocal quality conveying emotion
gestures · posture · eye contact · demeanor · mannerisms · vocal pitch
- social psychologyScience of group influence on individuals
- behavioral economicsPsychology of financial decisions
- cognitive scienceStudy of mental processes
- validityQuality of being sound
Fixed oversimplified notion
- prejudicePreformed unfavorable opinion
- overgeneralizationUnwarranted broad application
- assumptionUnverified belief accepted as true
- confirmation biasPreferring belief-supporting information
halo effect · implicit bias · hasty conclusion · incomplete information
Selecting new employees
- medical diagnosisIdentification of disease
- speed datingTimed rotating introductions
- threat detectionIdentifying possible dangers
- jury selectionChoosing trial decision-makers
first impressions
Instant opinions of someone
- blinkRapid lid movement
- heuristicsPractical problem-solving shortcuts
- gut feelingInstinctive sense about something
implicit understanding · split-second decisions · pattern recognition · quick read
microexpressions
Brief involuntary facial signals
- nonverbal cuesUnspoken communication signals
- body languageUnspoken physical expression
- facial expressionsVisible emotional displays
tone of voice · gestures · posture · eye contact · demeanor · mannerisms · vocal pitch
Gladwell
- social psychologyScience of group influence on individuals
- behavioral economicsPsychology of financial decisions
- cognitive scienceStudy of mental processes
Malcolm Gladwell · validity · reliability · personality assessment
stereotype
Fixed oversimplified notion
- prejudicePreformed unfavorable opinion
- overgeneralizationUnwarranted broad application
- assumptionUnverified belief accepted as true
confirmation bias · halo effect · implicit bias · hasty conclusion · incomplete information
hiring decisions
Selecting new employees
- medical diagnosisIdentification of disease
- speed datingTimed rotating introductions
- threat detectionIdentifying possible dangers
thin-slicinganalytical thinking
Systematic examination of parts
critical analysis · slow thinking · logical analysis · due diligence
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