What Good Clinical Supervision Actually Looks Like — and How to Know If You're Getting It
- Christian Hughes
- 5 days ago
- 6 min read
Most therapists I speak to describe their supervision in one of two ways. Either they're getting something genuinely useful: sessions that leave them thinking differently about their clients, more confident in their formulations, clearer about their clinical direction. Or they're getting something that functions more like a caseload review: a structured run-through of who they're seeing, what's happening, and whether anything needs escalating.
The second type isn't bad supervision, but it is limited. It covers the bases. It's safe. But for a therapist who wants to develop, who went into this work because they find it genuinely interesting and want to get better at it, it tends to feel unsatisfying in a way that's hard to articulate. Something is missing, but it's not always clear what.
This post is an attempt to name what's missing, and to offer a clearer picture of what supervision can be when it's working at its best.
What supervision is supposed to do
Clinical supervision has three recognised functions. The normative function, ensuring clinical work meets professional and ethical standards. The restorative function, providing support for the emotional demands of the work. And the formative function, supporting the development of clinical skill and knowledge.
All three matter. But in practice, the normative function tends to dominate. Risk, safeguarding, caseload management, accreditation requirements: these are concrete and auditable, and so they absorb a disproportionate share of supervision time. The formative function, which is harder to measure and slower to produce visible results, often gets squeezed.
The consequence is that many therapists spend years in supervision that keeps them safe and supported but doesn't particularly help them get better. Their clinical thinking doesn't deepen. Their formulations don't become more sophisticated. They develop experience without developing expertise.
This matters more than it might initially seem, because experience and expertise are not the same thing. A therapist who has seen five hundred clients but has never been challenged to think carefully about why their interventions work, when they're not working, and what that tells us about the client's psychology, may not be significantly more capable than one who has seen two hundred, regardless of how conscientious they are. Expertise requires deliberate, reflective engagement with practice. Supervision is where that should happen.
The formulation problem
One of the clearest markers of supervision quality is how much time is spent on formulation.
Formulation, the shared understanding between therapist and client of what is driving the difficulty, how it developed, and what maintains it, is the foundation of effective therapy. It determines which interventions are appropriate, how they should be sequenced, and how to understand it when they don't work. A weak or incomplete formulation produces therapy that is technically competent but clinically inert: the right techniques applied to the wrong problem.
In good supervision, formulation is treated as a living, working document rather than a box ticked at assessment. Cases are brought not just to report what's happening, but to think carefully about what the formulation tells us about what's happening. When a client isn't progressing, the question isn't just "what else could we try?" It's "what does this tell us about our understanding of the problem?"
This kind of thinking is harder to do than caseload review. It requires the supervisor to have the clinical knowledge and confidence to engage at the level of mechanism, to ask why, not just what. It requires the supervisee to bring their work with genuine curiosity rather than just reporting it. And it requires a supervisory relationship in which uncertainty and not-knowing are treated as the starting point for learning rather than as problems to be managed.
Many therapists have never experienced this. When they do, they tend to describe it as a significant shift, not just in their clinical work, but in how they relate to it.
What evidence-based supervision actually means
The term "evidence-based" gets applied to supervision fairly loosely, but it has a specific meaning that's worth unpacking.
Evidence-based supervision isn't just supervision provided by a therapist who uses evidence-based treatments. It's supervision that is itself informed by the research on what makes supervision effective, and that research points to some fairly clear conclusions.
Supervisory alliance matters enormously. The quality of the relationship between supervisor and supervisee predicts supervisee development more consistently than any specific supervisory technique. A supervisor who is warm, genuinely curious about your work, and able to hold both support and challenge simultaneously creates the conditions in which real learning happens. One who is primarily evaluative, or primarily supportive without challenge, tends to produce less development.
Feedback needs to be specific and formative. Vague encouragement, "that sounds like it went well", doesn't build skill. Specific, formulation-level feedback on clinical decisions and their rationale does. This includes feedback on what worked and why, not just on what could be improved.
The supervisee's development needs to be an explicit focus. Good supervision attends to where you are in your development and what the next stretch looks like. It doesn't treat all supervisees the same regardless of experience level.
Parallel process, the way the dynamics of the therapeutic relationship can re-emerge in the supervisory relationship, is a valuable source of clinical information when it's recognised and named. Supervisors who are attuned to this can use it to illuminate something important about the client's relational patterns. Those who aren't can inadvertently enact it without either party noticing.
Supervision within an ACT and contextual framework
For therapists working within a CBT or ACT framework, there is an additional layer to supervision that generic models don't always address well.
ACT supervision isn't just supervision of ACT therapy. It's supervision informed by the same contextual behavioural science framework that underpins the treatment, an approach that is functionally analytic, process-based, and genuinely transdiagnostic.
In practice this means a few things. It means attending to the function of behaviour rather than just its form, asking not just what the client is doing but what purpose it serves in context. It means working at the level of process rather than protocol, understanding which psychological processes are maintaining the difficulty and why, rather than applying a manual to a diagnosis. It means taking the therapeutic relationship seriously as a source of data, not just a vehicle for technique delivery.
It also means that supervision itself operates within this framework. Your responses to your clients, the moments of over-reassurance, the avoidance of difficult material, the pull to fix rather than sit with discomfort, are themselves functionally interesting. Good ACT-informed supervision creates space to notice and examine these responses without shame or defensiveness, because they're not signs of failure. They're information.
This is a different experience from supervision that stays at the surface of technique. It tends to be more challenging and more revealing. It also tends to produce more lasting development, because it works at the level of the therapist's clinical identity rather than just their skillset.
How to know if your supervision is working
A few questions worth sitting with honestly:
Do you leave supervision thinking differently about your clients, or do you leave having reported on them?
When a client isn't progressing, does your supervision help you understand why, at the level of formulation and mechanism, or does it primarily generate a list of things to try?
Does your supervisor challenge your clinical thinking, or do they primarily validate it?
Are you developing a more sophisticated understanding of the psychological processes you're working with, or are you accumulating experience without deepening expertise?
Do you feel known as a clinician in your supervisory relationship, your particular strengths, your growing edges, the patterns in how you respond to certain kinds of clinical material?
None of these questions have a simple yes or no answer, and supervision that scores well on some dimensions may score less well on others. But they point toward what good supervision is trying to do, and they're worth asking regularly rather than waiting until dissatisfaction becomes hard to ignore.
Getting the right supervision
If you're a CBT or ACT therapist looking for supervision that takes clinical thinking seriously, supervision that engages at the level of formulation, process, and mechanism rather than just caseload management, it's worth being specific about what you're looking for when you approach a potential supervisor.
Ask about their approach to formulation.
Ask how they handle cases that aren't progressing.
Ask whether they have experience with the presentations you most commonly work with.
Ask what their understanding of good supervision looks like.
A supervisor who can answer those questions with specificity and genuine interest is likely to offer something different from the standard model. One who is vague, or who primarily emphasises their clinical experience without attending to the supervisory relationship, may reproduce the caseload-review model regardless of their clinical credentials.
Working with me
I offer clinical supervision for CBT and ACT therapists at all career stages, with a particular focus on formulation-driven, process-based clinical thinking. My background spans NHS specialist services, military mental health, and private practice, with specialist expertise in trauma, complex presentations, moral injury, and ACT and contextual behavioural science.
I'm a BABCP-accredited clinician and can provide supervision that supports therapists working toward BABCP accreditation or maintaining existing accreditation.
Supervision with me is not primarily a caseload review. It's a space to think carefully about your clinical work, to develop more sophisticated formulations, to understand what's driving the patterns you're seeing, and to become a more capable and confident clinician.
I offer individual supervision and a small ACT-focused group supervision programme. If you'd like to discuss whether working together might be the right fit, a free 15-minute call is available.
