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Home NEWS Science News Biology

While a candidate’s voice pitch sways voters, it doesn’t result in better leaders

Bioengineer by Bioengineer
March 14, 2018
in Biology
Reading Time: 3 mins read
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Credit: Florida Atlantic University

Voice pitch, the perceived "highness" or "lowness" of a voice, influences how people are judged on a variety of dimensions such as attractiveness, physical strength and social dominance. In fact, studies have shown that individuals with lower-pitched voices are more likely to win elected office because they are believed to be superior leaders with greater physical prowess and integrity.

But is voice pitch a reliable signal of leadership quality? And is the bias in favor of selecting leaders with lower voices good or bad for democracy?

Researchers from Florida Atlantic University and the University of Miami are the first to address these questions in a study published in the journal Evolution and Human Behavior.

To determine if there is a correlation between voice pitch and leadership ability, Rindy Anderson, Ph.D., an assistant professor in the Department of Biological Sciences in FAU's Charles E. Schmidt College of Science, and Casey Klofstad, Ph.D., an associate professor in the Department of Political Science at the University of Miami, conducted an observational study and an experimental study.

The observational study correlated a measure of the voice pitch of members of the United States Congress with a measure of their leadership ability to test whether members with lower-pitched voices are more effective leaders. The researchers predicted that if voice pitch contains information about leadership ability, then individuals with lower-pitched voices would show evidence of being more effective elected officials. The data they used to test this prediction was based on a power ranking of the members of the 109th U.S. Congress created by Knowlegis.

The experimental study required participants to respond to persuasive political policy statements such as "You should support stronger gun control laws," "You should support deportation of illegal immigrants," or "You should support same-sex marriage," delivered with different pitched voices. The researchers wanted to test the prediction that if individuals with lower-pitched voices are better leaders, then they also should be more persuasive when making policy appeals.

Results from the study reveal that while voters prefer to vote for candidates with lower sounding voices, elected officials with lower voices are not necessarily better leaders. Members of Congress with lower voices are not more effective legislators, and speakers with lower voices are not more persuasive when making statements about governmental policies.

Prior research by Anderson and Klofstad showed that voters in the U.S. generally prefer to vote for candidates with lower voices. Their results were based on both laboratory experiments and from studies of real elections, and are consistent regardless of whether the voter and/or candidate is male or female.

These previous results led them to question whether voters are making good choices based on the sound of candidates' voices. Through the observational and experimental studies, Anderson and Klofstad found no relationship between a candidate's voice pitch (highness or lowness of the voice) and his or her leadership ability.

Overall, these findings address the important question of whether voters' bias in favor of selecting leaders with lower voices is beneficial or harmful to democracy. The results found by Anderson and Klofstad suggest that this perceptual bias is neither: voters influenced by the tone of a candidate's voice are not selecting stronger or more effective leaders, but neither are they selecting "worse" leaders.

Study participants included a total of 344 men (ages 39 to 75 years) and 433 women (ages 19 to 76 years) from the 2016 Cooperative Congressional Election Study post-election survey, conducted online by YouGov between Nov. 9 and Dec. 14, 2016. There were 287 Democrats, 198 Republicans and 219 Independents.

###

About Florida Atlantic University:

Florida Atlantic University, established in 1961, officially opened its doors in 1964 as the fifth public university in Florida. Today, the University, with an annual economic impact of $6.3 billion, serves more than 30,000 undergraduate and graduate students at sites throughout its six-county service region in southeast Florida. FAU's world-class teaching and research faculty serves students through 10 colleges: the Dorothy F. Schmidt College of Arts and Letters, the College of Business, the College for Design and Social Inquiry, the College of Education, the College of Engineering and Computer Science, the Graduate College, the Harriet L. Wilkes Honors College, the Charles E. Schmidt College of Medicine, the Christine E. Lynn College of Nursing and the Charles E. Schmidt College of Science. FAU is ranked as a High Research Activity institution by the Carnegie Foundation for the Advancement of Teaching. The University is placing special focus on the rapid development of critical areas that form the basis of its strategic plan: Healthy aging, biotech, coastal and marine issues, neuroscience, regenerative medicine, informatics, lifespan and the environment. These areas provide opportunities for faculty and students to build upon FAU's existing strengths in research and scholarship. For more information, visit http://www.fau.edu.

Media Contact

Gisele Galoustian
[email protected]
561-297-2676

http://www.fau.edu

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