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Related Concept Videos

Factors Affecting Perception01:25

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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.
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The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
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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...
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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Ethnic Identity within a Larger Culture01:27

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Adolescents from ethnic minority backgrounds face a multifaceted journey in forming their identities, shaped by the intersections of cultural expectations and personal exploration. For these adolescents, identity formation involves not only typical developmental challenges but also navigating the perceptions and attitudes of the majority culture. As they grow, adolescents in ethnic minority groups often become increasingly aware of stereotypes, social biases, and discrimination, all of which...
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Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
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Related Experiment Video

Updated: Jun 14, 2025

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Perceptual body image tasks require ethnically appropriate stimuli.

Bethany J Ridley1, Yumi Hamamoto2, Piers L Cornelissen1

  • 1Department of Psychology, Northumbria University, Newcastle upon Tyne, United Kingdom.

Body Image
|May 9, 2025
PubMed
Summary
This summary is machine-generated.

Body size perception varies by ethnicity. Using ethnically appropriate images is crucial for accurate body size judgments, as mismatched images lead to significant estimation errors and uncertainty.

Keywords:
AdiposityBody compositionEast AsianEthnic differencesSouth AsianWeight status

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Area of Science:

  • Anthropology
  • Body Image Research
  • Biomedical Engineering

Background:

  • Current body image assessments often use images based on White European (WE) body types.
  • East Asian (EA) and South Asian (SA) individuals have distinct body compositions and fat distribution patterns compared to WE populations.
  • Using WE-centric body images for EA and SA individuals can lead to inaccurate weight status and body size perceptions.

Purpose of the Study:

  • To investigate the impact of ethnic-specific body shape stimuli on body size perception.
  • To develop and validate computer-generated imagery (CGI) representing diverse ethnic body types.
  • To address the lack of ethnically appropriate tools for assessing body image and weight perception across different populations.

Main Methods:

  • 3D scanning of female volunteers from East Asian, South Asian, and White European backgrounds.
  • Construction of CGI bodies based on statistical analysis of ethnic-specific size and shape variations.
  • Comparative judgment tasks where participants evaluated bodies of same and different ethnic origins.

Main Results:

  • Participants showed significant overestimation of body size when viewing ethnically dissimilar images (EA and SA participants).
  • White European participants significantly underestimated body size when viewing ethnically dissimilar images.
  • Exposure to ethnically mismatched body stimuli resulted in increased uncertainty in body size judgments.

Conclusions:

  • Ethnic-specific body shape stimuli are essential for accurate body size and weight perception assessments.
  • Current methods relying on non-representative body images introduce significant biases and errors.
  • There is an urgent need to develop and implement ethnically tailored visual tools for body image research and clinical practice.