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Related Concept Videos

Unrealistic Optimism Bias01:30

Unrealistic Optimism Bias

Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
Confirmation Biases01:31

Confirmation Biases

The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
Motivational Bias01:25

Motivational Bias

Cognitive bias results from limitations in thinking and information processing, leading to systematic errors in judgment. Conversely, motivational bias stems from personal desires or emotions, causing distortions in perception to align with self-interest. Motivational bias influences how individuals perceive and attribute causes to events, often shaped by personal needs, goals, and self-esteem preservation. This bias can distort judgment, leading to inaccurate assessments of success, failure,...
Self-Serving Bias01:29

Self-Serving Bias

Self-serving bias is a cognitive phenomenon in which individuals attribute positive outcomes to internal factors such as their abilities, intelligence, or effort while attributing negative outcomes to external circumstances. This cognitive distortion helps maintain self-esteem but can also impede objective self-assessment.Theoretical Explanations of Self-Serving BiasTwo primary theories explain the self-serving bias: the cognitive explanation and the motivational explanation.The cognitive...
Hindsight Biases01:12

Hindsight Biases

Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
Taste Buds and Receptors01:20

Taste Buds and Receptors

Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...

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Related Experiment Video

Updated: Jun 27, 2026

Errors as a Means of Reducing Impulsive Food Choice
07:07

Errors as a Means of Reducing Impulsive Food Choice

Published on: June 5, 2016

Optimistic bias and food.

Susan Miles1, Victoria Scaife

  • 1Institute of Food Research, Norwich Research Park, Colney Lane, Norwich NR4 7UA, UK. susan.miles@bbsrc.ac.uk

Nutrition Research Reviews
|December 17, 2008
PubMed
Summary

Optimistic bias, the tendency to underestimate personal risk, hinders dietary change. This review highlights how this bias impacts food choices and health promotion efforts, suggesting targeted interventions are needed.

Area of Science:

  • Behavioral Science
  • Nutritional Science
  • Health Psychology

Background:

  • Dietary patterns are shaped by social and cultural influences.
  • Achieving dietary change is challenging, with optimistic bias identified as a significant barrier.
  • Optimistic bias, or the tendency to perceive oneself as less vulnerable to negative outcomes than others, can impede health-related behaviors.

Purpose of the Study:

  • To review existing literature on optimistic bias within the food domain.
  • To explore the implications of optimistic bias for health promotion strategies related to food and nutrition.
  • To examine methodologies, contributing factors, and interventions for optimistic bias in food consumption.

Main Methods:

  • Systematic literature review of studies investigating optimistic bias in relation to food consumption.

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Last Updated: Jun 27, 2026

Errors as a Means of Reducing Impulsive Food Choice
07:07

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Published on: June 5, 2016

Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

Assessment of Mouse Judgment Bias through an Olfactory Digging Task
12:10

Assessment of Mouse Judgment Bias through an Olfactory Digging Task

Published on: March 4, 2022

  • Analysis of methodologies used to assess optimistic bias in the food domain.
  • Synthesis of empirical findings on the prevalence and impact of optimistic bias in food choices.

    • Main Results:

    • Numerous food and nutrition issues are significantly associated with optimistic bias.
    • Optimistic bias negatively affects self-protective behaviors and the adoption of risk-reducing dietary practices.
    • The review details conditions under which optimistic bias manifests in food-related contexts.

    Conclusions:

    • Optimistic bias presents a substantial challenge for public health initiatives aimed at improving dietary habits.
    • Understanding the causes of optimistic bias is crucial for developing effective interventions to counter its negative effects.
    • Future research should focus on empirically testing strategies to reduce optimistic bias and promote healthier food consumption patterns.