Multiracial research emphasizes hypodescent categorizations and relies on computer-generated stimuli. Four experiments showed that real biracial faces in a 2-Choice categorization task (White, Black) elicited hypodescent more than computer-generated faces. Additionally, Experiment 2 showed a 2-Choice categorization task with real biracial faces increased racial essentialism more than a 3-Choice categorization task. Experiment 3 showed that mere exposure to real biracial faces did not increase essentialism. Finally, Experiments 4a and 4b replicated hypodescent outcomes when comparing real biracial faces to computer-generated versions of those same faces. In sum, these findings initiate a discussion surrounding the methodology of multiracial categorizations.
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http://dx.doi.org/10.1080/00224545.2018.1538929 | DOI Listing |
J Addict Med
March 2024
From the Real-World Assessment, Prediction, and Treatment Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD (KES, JDF, DHE); San Diego State University/University of California San Diego Joint Doctoral Program in Clinical Psychology, San Diego, CA (JMR); Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL (AS, MAK, KSRR); Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, FL (CRMC, SM); Translational Addiction Medicine Branch, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD (STW, RCT); and Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD (KES, KED).
Introduction: Use of kratom has outpaced systematic study of its effects, with most studies reliant on retrospective self-report.
Methods: We aimed to assess acute effects following kratom use in adults who use regularly, and quantify alkaloids in the products, urine, and plasma. Between July and November 2022, 10 adults came to our clinic and orally self-administered their typical kratom dose; blinding procedures were not used.
Pers Soc Psychol Bull
January 2022
California State University, Northridge, USA.
The rise of the multiracial population has been met with a growing body of research examining multiracial face perception. A common method for creating multiracial face stimuli in past research has been mathematically averaging two monoracial "parent" faces of different races to create computer-generated multiracial morphs, but conclusions from research using morphs will only be accurate to the extent that morphs yield perceptual decisions similar to those that would be made with real multiracial faces. The current studies compared race classifications of real and morphed multiracial face stimuli.
View Article and Find Full Text PDFBehav Res Methods
June 2021
University of Chicago Booth School of Business, Chicago, IL, USA.
Multiracial individuals represent a growing segment of the population and have been increasingly the focus of empirical study. Much of this research centers on the perception and racial categorization of multiracial individuals. The current paper reviews some of this research and describes the different types of stimuli that have been used in these paradigms.
View Article and Find Full Text PDFJ Soc Psychol
February 2020
Psychology Department, Tufts University, Medford , USA.
Multiracial research emphasizes hypodescent categorizations and relies on computer-generated stimuli. Four experiments showed that real biracial faces in a 2-Choice categorization task (White, Black) elicited hypodescent more than computer-generated faces. Additionally, Experiment 2 showed a 2-Choice categorization task with real biracial faces increased racial essentialism more than a 3-Choice categorization task.
View Article and Find Full Text PDFPers Soc Psychol Bull
January 2019
3 Tufts University, Medford, MA, USA.
Across six studies, we demonstrate that exposure to biracial individuals significantly reduces endorsement of colorblindness as a racial ideology among White individuals. Real-world exposure to biracial individuals predicts lower levels of colorblindness compared with White and Black exposure (Study 1). Brief manipulated exposure to images of biracial faces reduces colorblindness compared with exposure to White faces, Black faces, a set of diverse monoracial faces, or abstract images (Studies 2-5).
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