Neuroscience
A practice common to psychology research is to take some measure - let's say amount of support from friends and family - and to compare people with mental health problems and people without mental health problems, on this measure. The trouble, according to Idia Thurston and her co-workers, is where to find people without mental health problems.
The tactic used by most researchers is to recruit from the wider community, for example by advertising in the local paper. But Thurston's team argue a large proportion of the general community actually have their own mental health problems, and many of them are receiving therapy, something many researchers fail to screen for. This means that what research papers describe as a "non-clinical community sample" may not be so "non-clinical" after all.
Thurston and her colleagues assessed 224 families recruited through adverts in local newspapers in south eastern USA as part of a larger study. They found 11 per cent of the teenagers, 20 per cent of the mothers and 13 per cent of the fathers met the diagnostic criteria for one or more psychiatric disorders. Moreover, 12 per cent of the teenagers, 20 per cent of the mothers and 11 per cent of the fathers were currently in therapy. These two groups didn't completely overlap - for instance, there were 25 mothers who met diagnostic criteria for a psychiatric disorder but who weren't in therapy.
Thurston's team said their findings have implications for research validity. Differences previously identified between clinical and so-called "non-clinical" groups may be caused by a factor other than the clinical status of the two groups.
Researchers should screen their community participants to find out if they are currently experiencing mental distress or participating in therapy, Thurston's team advised. But as regards whether such participants should then be excluded from research, Thurston and her colleagues said: "There is no perfect answer, but rather, researchers must weigh the costs and benefits of their exclusionary criteria in relation to the goals of the study."
Link to related Digest item.
Link to Psychologist magazine article on student participants.
_________________________________
Thurston, I.B., Curley, J., Fields, S., Kamboukos, D., Rojas, A., Phares, V. (2008). How nonclinical are community samples?. Journal of Community Psychology, 36(4), 411-420. DOI: 10.1002/jcop.20223
Post written by Christian Jarrett (@psych_writer) for the BPS Research Digest.
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Neuroscience
Just how non-clinical are so-called non-clinical community samples?
A practice common to psychology research is to take some measure - let's say amount of support from friends and family - and to compare people with mental health problems and people without mental health problems, on this measure. The trouble, according to Idia Thurston and her co-workers, is where to find people without mental health problems.The tactic used by most researchers is to recruit from the wider community, for example by advertising in the local paper. But Thurston's team argue a large proportion of the general community actually have their own mental health problems, and many of them are receiving therapy, something many researchers fail to screen for. This means that what research papers describe as a "non-clinical community sample" may not be so "non-clinical" after all.
Thurston and her colleagues assessed 224 families recruited through adverts in local newspapers in south eastern USA as part of a larger study. They found 11 per cent of the teenagers, 20 per cent of the mothers and 13 per cent of the fathers met the diagnostic criteria for one or more psychiatric disorders. Moreover, 12 per cent of the teenagers, 20 per cent of the mothers and 11 per cent of the fathers were currently in therapy. These two groups didn't completely overlap - for instance, there were 25 mothers who met diagnostic criteria for a psychiatric disorder but who weren't in therapy.
Thurston's team said their findings have implications for research validity. Differences previously identified between clinical and so-called "non-clinical" groups may be caused by a factor other than the clinical status of the two groups.
Researchers should screen their community participants to find out if they are currently experiencing mental distress or participating in therapy, Thurston's team advised. But as regards whether such participants should then be excluded from research, Thurston and her colleagues said: "There is no perfect answer, but rather, researchers must weigh the costs and benefits of their exclusionary criteria in relation to the goals of the study."
Link to related Digest item.
Link to Psychologist magazine article on student participants.
_________________________________
Thurston, I.B., Curley, J., Fields, S., Kamboukos, D., Rojas, A., Phares, V. (2008). How nonclinical are community samples?. Journal of Community Psychology, 36(4), 411-420. DOI: 10.1002/jcop.20223
Post written by Christian Jarrett (@psych_writer) for the BPS Research Digest.
- The Psychology Of Realising That You Need Psychological Help
Of the many people with mental health problems who would likely benefit from psychological help, only a fraction actually find themselves face to face with a clinical psychologist or other kind of psychotherapist. There are of course practical reasons...
- Blogging For Mental Health
To coincide with the Mental Health Month Blog Party organised by the APA, I've collated some highlights from our coverage of mental health issues here at the BPS Research Digest. What is mental illness? In 2010 I reported on a Psychological Medicine...
- "most People With A Mental Disorder Are Happy"
It's easy for us to slip into all-or-nothing mindsets. An example would be: a person has some psychological problems so their life must be miserable. But that's a mistaken assumption. So argue a team of Dutch positive psychologists, who've...
- What's Different About Those Who Attempt Suicide Rather Than Just Thinking About It?
Only a minority of people who think about committing suicide actually go ahead and make a suicide attempt. Is there something different about these people – some way, perhaps, to identify those suicidal people who are at most risk? Kate Fairweather...
- Uk Hospital Consultants Feeling The Strain
UK hospital consultants are experiencing poorer mental health and more burnout than they did in 1994. That’s according to Cath Taylor and colleagues who surveyed hundreds of consultants in 1994 and then again in 2002. They used the 12-item General Health...