Phương pháp ‘tảng đá xám’ là gì khi đối phó với người ái kỷ hoặc thành viên gia đình khó tính?

If you’re dealing with a relationship marked by conflict, criticism or manipulation – be it with a parent, co-parent or colleague – chances are you’ve come across the “grey rock” method on social media or advice blogs.

But what is it, and does it actually work?

Often presented as a simple way to deal with narcissistic, abusive or toxic behaviour, the technique is straightforward: make yourself as uninteresting as a grey rock. Respond in a neutral, minimal and emotionally flat way, particularly in interactions marked by conflict, criticism, or provocation.

Despite its popularity, there is no direct scientific research evaluating whether the grey rock method is effective.

That said, the idea behind it draws on well established research on how behaviour – including problematic behaviour – is learned and how it can change over time.

What is the grey rock method?

Rather than arguing or reacting emotionally, the aim of “grey rocking” is to keep communication brief and non-engaging.

It doesn’t mean ignoring the other person. Instead, it involves acknowledging what they’ve said in a way that limits engagement and reduces escalation.

Say you’ve had to tell a parent you can’t attend a family event, and they reply with: “You never make time to see me; you’re so ungrateful.”

You might normally respond by arguing, justifying or trying to smooth things over.

“Grey rocking” would involve a brief, neutral reply such as “I see” or “OK”. You acknowledge the comment but prevent the interaction from escalating.

The grey rock method is commonly promoted as a way of managing interactions with narcissists.

Narcissism is a suite of personality traits characterised by a strong need for attention, admiration and validation from others.

When this need is threatened, individuals high in narcissistic traits are more likely to respond with aggression.

This aggression can escalate or provoke conflict. Conflict tends to elicit strong emotional reactions from others, drawing attention back to the narcissistic person and helping to reassert a sense of importance, control or dominance. This can feel rewarding for them.

Over time, this can make conflict more likely.

Does ‘grey rocking’ work?

There are no scientific studies evaluating whether the grey rock method is effective. Much of the support for it is anecdotal, with some tracing the term back to a 2012 mental health blog.

That said, the logic behind the approach aligns with two behavioural psychology principles known as “reinforcement” and “extinction”.

Reinforcement is when the person “gets what they want” from an interaction, which incentivises them to do it again. It reinforces the behaviour.

It’s a bit like a child throwing a tantrum because they didn’t get a chocolate bar at the shops. Relenting and buying it anyway means the child’s crying is reinforced by the chocolate. But the parent’s relenting – to stop the public tantrum – is also reinforced. Next time, the child will be more likely to cry to get what they want, and the parent more likely to relent.

The principle of reinforcement suggests every behaviour serves a function – to get us things we want, or get rid of things we don’t.

To decrease the likelihood of a behaviour, the reinforcing consequences need to be removed consistently. This process is called “extinction”; the idea is that when the child learns tantrums don’t “work”, he or she will eventually stop throwing them.

The grey rock method applies a similar principle.

If the person you’re dealing with thrives on your emotional response to criticism, provocation and conflict, withdrawing these reactions might help reduce those troubling behaviours over time – or at least make it less likely the situation will escalate in the moment.

It’s not always appropriate

When extinction is first introduced, it’s often followed by an initial increase in the intensity or frequency of the behaviour. This is known as an extinction burst.

This may be the person attempting to find another way to get the same reward.

For extinction to be effective, the change in reward needs to be consistent and permanent, and continue despite the extinction burst.

If the bad behaviour is occasionally rewarded, this sets up “intermittent reinforcement” and might lead to more persistent behaviour over time.

So if you’re considering “grey rocking”, you must be prepared to “grey rock” through the escalation consistently because stopping along the way might reinforce the escalation.

Importantly, in relationships involving ongoing or escalating abuse, where the expected increase in intensity may put you at risk of harm, prioritising safety, clear boundaries and external support are more appropriate than relying on “grey rocking” alone.

The grey rock method also does not address the deeper reasons behind the person’s problematic behaviour (such as substance abuse, emotional dysregulation, or a need to control) . The person may also shift to a different tactic or target.

Staying neutral and emotionally flat in the face of repeated provocation is also really hard to sustain over time.

In practice, the grey rock method may be most useful when contact cannot be easily avoided, and the goal is to limit how much those interactions affect you.

It won’t change the person or the underlying causes of their behaviour.

If this article has raised issues for you, or if you’re concerned about someone you know, call Lifeline on 13 11 14.

The National Sexual Assault, Family and Domestic Violence Counselling Line – 1800 RESPECT (1800 737 732) – is available 24 hours a day, seven days a week for any Australian who has experienced, or is at risk of, family and domestic violence and/or sexual assault.

The authors do not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.