Behind the Bot Study

Chris Bail
Duke University

Political Polarization in the U.S.


Source: Pew. See also Finkel, Bail, et al. Science, November 2020

November 2016

November 2016

Social Media Echo Chambers

 

Try this app at www.polarizationlab.com

An App-Based Study?

An App-Based Study?

 

Try this app at www.polarizationlab.com

An App-Based Study?

Check out my lecture on App-Based Research here

A Challenging Research Problem...

 

The Power of Randomization

Evil Bots

Good Bots?

An Experiment with Twitter Bots

Designing Twitter Bots

Compliance

The Cutest Animals on the Internet*

*according to my daughter

Causal Interference

Addressing Causal Interference

Causal Interference

Poor Survey Data

Identify Verification

Eligibility Criteria

 

Eligibility Criteria

 

1) Must be living in the United States

Eligibility Criteria

 

1) Must be living in the United States

2) Must visit Twitter at least three times per week

Eligibility Criteria

 

1) Must be living in the United States

2) Must visit Twitter at least three times per week

3) Must describe themselves as either a Republican or a Democrat

Initial Response Rate: 42.7%

Outcome: Ideological Consistency Scale

 

Outcome: Ideological Consistency Scale

 

1) “Stricter environmental laws and regulations cost too many jobs and hurt the economy.”

2) “Government regulation of business is necessary to protect the public interest.”

3) “Poor people today have it easy because they can get government benefits without doing anything in return.”

4) “Immigrants today strengthen our country because of their hard work and talents.”

5) “Government is almost always wasteful and inefficient.”

Outcome: Ideological Consistency Scale

 

6) “The best way to ensure peace is through military strength.”

7) “Racial discrimination is the main reason why many black people can't get ahead these days.”

8) “The government today can't afford to do much more to help the needy.”

9) “Business corporations make too much profit.”

10) “Homosexuality should be accepted by society.”

Control Variables

 

1) Frequency of Twitter use

2) Strength of partisanship

3) Interest in current events

4) Ideological homophily (online)

5) Ideological homophily (offline)

6) Demographics/SES (age, gender, income, education, region)

7) Many others…

Representativeness

 

Representativeness

 

Representativeness

 

Representativeness

 

Compliance

Attrition

Attrition

Effect of Following Bot for 1 Month

Effect of Following Bot for 1 Month

 

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