Changes in Writing Style Provide Clues to Group Identity | Nutrition Fit



Summary: Study reveals that group normative behavior is reflected in a person’s writing style. Researchers say people alter their writing style to impress their audience and this may be based on the group identity that is influencing them at the time.

Source: Lancaster University

Small changes to people’s writing style can reveal which social group they “belong to” at a given moment say psychologists.

Groups are central to human identity, and most people are part of multiple groups based on shared interests or characteristics – ranging from local clubs to national identity.

When one of these group memberships becomes relevant in a particular situation, behaviour tends to follow the norms of this group so that people behave “appropriately”.

The new study – by Lancaster University, the University of Exeter, Imperial College London and University College London – demonstrates that group normative behaviour is reflected in a person’s writing style.

It also shows that assessing writing style can reveal – with an accuracy of about 70% – which of two groups affected a person while they were writing a particular piece of text.

The paper, published in the journal Behavior Research Methods, is entitled: “ASIA: Automated Social Identity Assessment using linguistic style.”

Professor Mark Levine of Lancaster University said: “Our work shows that it is possible to see changes in the way people are thinking about themselves – just from the way they write. These identity traces seem to be present even when we control for the topics that people are writing about – or where they are doing the writing. The ASIA tool kit is an important advance in our ability to study the way psychological identity plays a role in shaping behaviour.”

To demonstrate their method, researchers studied how people who are parents and feminists change their writing style when they move from one identity to another on anonymous online forums such as Reddit, Mumsnet and Netmums.

“People are not just one thing – we change who we are, our identity, from situation to situation,” said Dr Miriam Koschate-Reis from the University of Exeter.

“In the current situation, many people will need to switch between being a parent and being an employee as they are trying to manage home schooling, childcare and work commitments.

“Switches between identities influence behaviour in multiple ways, and in our study we tracked which identity was active by focussing on language.

“We found that people not only change their writing style to impress their audience – they change it based on the group identity that is influencing them at the time.

“So, when we asked people in an experiment to think about themselves as a parent, their language patterns reflected this.”

The study avoided “content” words (a parent might mention “childcare” for example) and focussed on stylistic patterns including use of pronouns, “intellectual” words and words expressing emotions.

This shows a woman writing in what looks like a journal
It also shows that assessing writing style can reveal – with an accuracy of about 70% – which of two groups affected a person while they were writing a particular piece of text. Image is in the public domain

Commenting on the possible uses of the new method, Dr Koschate-Reis said: “We are currently focussing on mental health.

“It is the first method that lets us study how people access different group identities outside the laboratory on a large scale, in a quantified way.

“For example, it gives us the opportunity to understand how people acquire new identities, such as becoming a first-time parent, and whether difficulties ‘getting into’ this identity may be linked to postnatal depression and anxiety.

“Our method could help to inform policies and interventions in this area, and in many others.”

Group identities have been found to affect thoughts, emotions and behaviour in many settings – from work contexts to education to political activism.

Research is ongoing to understand how much control we have over switches between different identities – most of which are thought to be triggered by the social context.

Dr Koschate-Reis said it might be possible to manipulate the cues that trigger an identity switch by going to a location associated with the identity.

See also

This shows a robot head coming out of a computer

For example, students might find it easier to write in an “academic style” when they are in the library rather than the local coffee shop.

Funding: The study was funded by the Engineering and Physical Sciences Research Council (EPSRC).

About this writing and psychology research news

Source: University of Lancaster
Contact: Gillian Whitworth – University of Lancaster
Image: The image is in the public domain

Original Research: Open access.
ASIA: Automated Social Identity Assessment using linguistic style” by Mark Levine et al. Behavior Research Methods


ASIA: Automated Social Identity Assessment using linguistic style

The various group and category memberships that we hold are at the heart of who we are. They have been shown to affect our thoughts, emotions, behavior, and social relations in a variety of social contexts, and have more recently been linked to our mental and physical well-being.

Questions remain, however, over the dynamics between different group memberships and the ways in which we cognitively and emotionally acquire these. In particular, current assessment methods are missing that can be applied to naturally occurring data, such as online interactions, to better understand the dynamics and impact of group memberships in naturalistic settings.

To provide researchers with a method for assessing specific group memberships of interest, we have developed ASIA (Automated Social Identity Assessment), an analytical protocol that uses linguistic style indicators in text to infer which group membership is salient in a given moment, accompanied by an in-depth open-source Jupyter Notebook tutorial (

Here, we first discuss the challenges in the study of salient group memberships, and how ASIA can address some of these. We then demonstrate how our analytical protocol can be used to create a method for assessing which of two specific group memberships—parents and feminists—is salient using online forum data, and how the quality (validity) of the measurement and its interpretation can be tested using two further corpora as well as an experimental study.

We conclude by discussing future developments in the field.


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