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Related Concept Videos

Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
Stereotypes, Prejudice, and Discrimination02:55

Stereotypes, Prejudice, and Discrimination

Humans are very diverse and although we share many similarities, we also have many differences. The social groups we belong to help form our identities (Tajfel, 1974). These differences may be difficult for some people to reconcile, which may lead to prejudice toward people who are different. Prejudice is a negative attitude and feeling toward an individual based solely on one’s membership in a particular social group (Allport, 1954; Brown, 2010). Prejudice is common against people who are...
Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
Variation in Acceleration due to Gravity near the Earth's Surface01:20

Variation in Acceleration due to Gravity near the Earth's Surface

An object's apparent weight is its weight measured by a spring balance at its location. It is different from its true weight, the force with which the Earth pulls it, because of the Earth's rotation. Mathematically, an object's apparent weight equals its true weight minus the centripetal force that keeps it in a circular motion along with the Earth's surface every 24 hours.
The difference between the true and apparent weights is proportional to the square of the Earth's angular speed. Since the...
Mass and Weight01:19

Mass and Weight

Mass and weight are often used interchangeably in everyday conversation. For example,  medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the acceleration due to...
Apparent Weight01:09

Apparent Weight

True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...

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Updated: May 28, 2026

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects
08:13

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects

Published on: May 10, 2019

Differences in weight perception among blacks and whites.

Yolanda Hendley1, Liping Zhao, Dorothy L Coverson

  • 1Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia 30322, USA.

Journal of Women'S Health (2002)
|October 13, 2011
PubMed
Summary
This summary is machine-generated.

Black individuals, especially women, significantly underestimate their weight category compared to whites. This weight misperception persists even when considering abdominal adiposity, highlighting a need for targeted interventions.

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Area of Science:

  • Public Health
  • Cardiovascular Health
  • Health Disparities

Background:

  • Obesity prevalence is higher in Black populations than White populations, particularly among Black women.
  • Cardiovascular disease risk factors are also more prevalent in Black individuals.
  • Weight perception differences, specifically underestimation of weight among Black individuals, may contribute to these disparities.

Purpose of the Study:

  • To investigate race and gender differences in weight underestimation.
  • To analyze weight underestimation using body mass index (BMI) and waist circumference (WC).
  • To adjust for other cardiovascular risk factors in the analysis.

Main Methods:

  • The META-Health Study included 219 White and 240 Black participants (men and women).
  • Perceived weight was assessed via phone, and actual height, weight, and WC were measured.
  • Logistic regression was employed to compare weight underestimation likelihood by race, adjusting for covariates.

Main Results:

  • Black individuals were more than threefold likely to underestimate their BMI category compared to White individuals (OR 3.1).
  • Weight underestimation was more pronounced in Black women than Black men.
  • The disparity in weight underestimation persisted even after accounting for abdominal adiposity using WC.

Conclusions:

  • Significant weight misperception exists among Black individuals, especially Black women.
  • Identifying social, cultural, and environmental factors is crucial for developing interventions.
  • Addressing weight misperception may help reduce obesity prevalence in the Black population.