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Homa Hosseinmardi
Research

What Big Data Reveals About Online Extremism

Homa Hosseinmardi and her colleagues at Penn’s Computational Social Science Lab studied browsing data from 300,000 Americans to gain insights into how online radicalization occurs — and to help develop solutions.

Houston Hall, a green stone building on Penn's campus, surrounded by trees and green grass, photo credit Scott Spitzer / University of Pennsylvania
News

PennMAP Research and Outcomes to Expand Thanks to Leadership Gift

Duncan Watts's Penn Media Accountability Project (PennMAP) is expanding, thanks to a new leadership gift from a Wharton alum.

a modern architecture building on Penn's campus with a blue sky and sunshine in the background, photo credit Scott Spitzer / University of Pennsylvania
News

Duncan Watts Launches Computational Social Science Lab

The new Computational Social Science Lab aims to thrive on mass collaboration and open science.

stack of books next to a notepad; Photo by Debby Hudson on Unsplash
Research

Women Are Under-Cited and Men Are Over-Cited in Communication

An analysis of citations in 14 Communication journals found that men are over-cited and women are under-cited, especially in papers authored by men.

sign that reads free wifi inside; Photo by Bernard Hermant on Unsplash
Research

Policing the Digital Divide: How Racial Bias Can Limit Internet Access for People of Color

New research shows that the policing of nonviolent offenses, like loitering, restricts access to free WiFi, particularly for people of color.

Abstract image of interconnected web, photo credit Alina Grubnyak / Unsplash
Research

Study Finds Surprising Source of Social Influence

Want to promote your new product or trigger a shift in thinking? Steer clear of the influencers.

statue of the word "love" in red on a spring day with Penn buildings and blossoming trees in the back
Faculty News

Centola and Pickard Honor Former Penn Faculty with New Chair Names

Centola and Pickard have chosen legendary scholars Elihu Katz and C. Edwin Baker.

Person sitting in front of wall art of debate on television streets
Research

Toward a Better Understanding of "Fake News"

Professor Duncan Watts published a framework for developing a comprehensive research agenda to study the origins, nature, and consequences of misinformation on democracy.

Yphtach Lelkes, Ph.D.
Faculty News

Political Communication Scholar Yphtach Lelkes Promoted to Associate Professor with Tenure

In this Q&A, Lelkes discusses how his research has evolved during his time at Annenberg.

mobile phone on a table with a blue screen and a white twitter bird in the center photo credit: nathan dumlao - unsplash
Research

Twitter Bots May Not Be as Influential as You Think

A new study from Professor Sandra González-Bailón found that verified media accounts are more central in the spread of information on Twitter than bots.