Attitude Adjustments

The Idea That Power Poses Boost Your Confidence Deserves A Second Look

taking a power stance 4 14
 After great popularity, the idea of power poses came under fire. Choreograph/iStock via Getty Images Plus

If you stand like Wonder Woman or Superman, will you feel stronger? Will you actually be stronger?

Psychology researchers have investigated these questions for decades. After all, mind and body are intertwined. How you stand or sit can give you feedback on how you feel, and your feelings are often revealed by the way you hold yourself.

One influential study published in 2010 suggested that power poses – body positions like a wide stance with your hands on your hips while standing, or clasping your hands behind your head and putting your feet on a desk while sitting – increased levels of the male sex hormone testosterone and decreased levels of cortisol, the main stress hormone. High levels of testosterone and low levels of cortisol are linked to fearlessness, risk-taking and insensitivity to punishment. From there, scientists assumed that power posing could affect how people felt, how they acted and how others perceived them.

These findings drew enormous attention outside of the lab. Power posing was advertised as a way of improving one’s life, and the idea took off in popular culture. Intentionally adopting the stance of a powerful person could apparently give you the confidence and the appearance of a powerful person.

But in the following years, some researchers could not replicate the original findings when they tried to rerun the experiments. The lead author of the original study admitted to mistakes and distanced herself from it. Since then, there’s been a heated debate about whether engaging in power poses really does anything at all.

In an effort to figure out which power pose findings hold up and which do not, we conducted a meta-analytic review – that is, we combined data from all available research on the topic. Based on dozens of studies, we suggest that there is something to the idea of power poses, even if the research was overhyped in the past.

Pulling together findings from 88 studies

We focused on two types of body positions.

The first type included power poses. Examples of high-power poses would be standing or sitting in a very expansive way, taking up a lot of space. A low-power pose would be crossing your legs and folding your arms while standing, or bowing your head and putting your hands on your lap while seated.

The second type included upright postures, like standing erect or sitting up straight in a chair versus bowing your head and slumping. Theoretical and empirical research have suggested that power poses are nonverbal expressions of dominance, whereas upright postures are displays of prestige.


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Following open-science standards, we preregistered our protocol with the Open Science Framework before conducting the analysis. This step is meant to increase transparency. By stating the game plan upfront, you can’t fiddle around with the data to try to find something significant to report.

Then we combed through 12 scientific databases with search terms including “body position” and “power pose.” This hunt turned up over 24,000 potentially relevant studies. We included just the ones that randomly assigned participants to different groups. Only this experimental design allows researchers to make inferences about the cause of any effects they identify.

Often if a study doesn’t find a link between the the factors it was investigating, the research doesn’t end up getting published. Because of this phenomenon, called publication bias, we sent requests for unpublished data to researchers from six different scientific societies. We also contacted all 21 researchers who had authored at least two articles on body positions to inquire whether they had any unpublished studies. Over one-fourth of the effects we analyzed came from unpublished studies.

In the end, our analysis of high- versus low-power poses and upright versus slumped poses was based on 313 effects from 88 studies that included 9,799 participants.

What held up and what didn’t

Our review examined three types of potential effects power poses and upright positions could have.

First there were self-reported effects, such as feeling powerful, confident and positive. These kinds of effects were statistically significant and robust, meaning they were seen again and again across many studies. People told researchers they felt stronger when they engaged in power poses and upright postures.

Then there were behavioral effects, such as how long participants would stick with a task, whether they exhibited antisocial behavior, and how action-oriented they were. Researchers identified these effects in many studies as well, but the findings were less reliable and more subject to publication bias.

Finally there were physiological effects such as hormone levels, heart rate and skin conductance, which often stands in as a way to measure stress in psychology research studies. In our meta-analysis, these effects were not statistically significant across all the studies. It was in this area that the power pose research didn’t hold up. Simply taking expansive body positions does not influence hormones or other physiological indicators as previously believed.

We found these self-reported and behavioral effects in studies from both Western countries like the U.S., Germany and the U.K. that favor the individual and in Eastern countries like China, Japan and Malaysia that favor the collective. Age and gender did not make a difference with respect to the effects. Nor did it matter whether participants were college students or not. From the available data it is not clear, however, how long such effects last after someone moves out of a particular body position.

taking a power stance2 4 14 Taking up space can be an expression of dominance. Lucy Lambriex/The Image Bank via Getty Images

What new experiments can explore

Unfortunately, many experimental studies in our meta-analysis did not include a control group of participants who adopted a neutral body position. That means we can’t tell for sure whether it is high-power poses and upright postures making people feel more positive and powerful, whether it is the low-power and slumped postures making people feel less positive and powerful, or whether it is some combination of the two. Future studies could clarify that question by including control groups that hold neutral body positions for comparison.

Furthermore, most studies included participants from Western, educated, industrialized, rich and democratic societies – characterized as “WEIRD” by psychology researchers. Effects should also be tested in other populations.

To promote and facilitate further insights on the effects of body positions, we also created an app allowing researchers to enter new data and download the most recent results. Continuing these investigations is important, because science is an ongoing process that usually does not provide definitive final answers. More evidence accumulates with each new study.The Conversation

About The Author

Astrid Schütz, Professor of Psychology, University of Bamberg and Brad Bushman, Professor of Communication and Rinehart Chair of Mass Communication, The Ohio State University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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