The Positive Mindset Index (PMI): a freely available validated measure of mental wellbeing.

by Dr John Barry

Should we measure mental illness, or mental health?

Measures of mental health can be difficult to get right. For example, if you want to measure suicidality, the most obvious thing to do is ask people questions about how much they have been thinking about suicide, have they ever attempted suicide etc. This can make for an uncomfortable time for many participants, and can result in people dropping out of studies.

But what about if you can tap into mental health by asking people about their mental wellbeing? This would make the participant’s experience a lot less awkward, but can it be done in practice? Well, the Positive Mindset Index (PMI) (Barry, Folkard & Ayliffe, 2014), which asks people to rate their level of happiness, confidence etc, has proved to be strongly negatively correlated with suicidality (r = -.539) and strongly positively correlated with the SF-12 measure of mental health quality of life (r = .678). So not only does the PMI give you a sense of a person’s mental positivity, but it also gives you a sense of their mental health.

The PMI has proved it’s worth in several published projects since 2014, with a variety of demographics (people with health problems, men and women of various ages and ethnicities etc). But the PMI also has an advantage for people who interested in men’s mental health: it just so happens to be very male-friendly.

 

A male-friendly measure

What makes the PMI so male-friendly? Well, it is a very short questionnaire, and easy to fill in. Men are notorious in the research world for being difficult to recruit and having little time for research, so brief measures are definitely the way to go. It is also useful for people with limited reading skills, because it uses very few words, and all of them are relatively simple. It also also uses a neutral midpoint, which means participants aren’t under pressure to give strong opinions if they don’t want to. If participants become frustrated or bored, they can drop out of studies.

Because of this male-friendly aspect, the PMI has been used on several of the Male Psychology Network research projects with a total of almost 10,000 participants:

 

So what does the PMI look like?

The Positive Mindset Index scale consists of six items (happiness, confidence, being in control, emotional stability, motivation and optimism) on a 5-point Likert scale.

Participants are asked:

Please select one of the options (e.g. “happy” or “unhappy”) for the words in each row, indicating how you are feeling at this moment.

The response options are selected in each row:

Item 1 Very unhappy Unhappy Moderately happy Happy Very happy
Item 2 Very unconfident Unconfident Moderately confident Confident Very confident
Item 3 Very out of control Out of control Moderately in control In control Very in control
Item 4 Very unstable Unstable Moderately stable Stable Very stable
Item 5 Very unmotivated Unmotivated Moderately motivated Motivated Very motivated
Item 6 Very pessimistic Pessimistic Moderately optimistic Optimistic Very optimistic

The PMI is scored from 1 to 5, with lower scores indicating a less positive mindset. The mean of the 6 scores is used. The average score is around 3.5, with slight variation for age and culture. The scale shows excellent psychometric properties, and further details for researchers can be found here.

 

Is positive mindset related to positive psychology, or positive masculinity?

Although not specifically derived from positive psychology, there is some common ground between positive psychology and the PMI. Up until the 1990s, men and masculinity were seen in fairly benign terms in the field of psychology. However the 1990s saw a new deficit model of masculinity, which defined masculinity in negative terms (including misogyny and homophobia) and explored the ways in which masculinity might be damaging to the mental health of men, boys, and everyone around them. It’s been a relief to many people that the past decade has seen the birth of ‘positive masculinity‘. Positive masculinity has it’s roots in positive psychology, so brings not just the return of masculinity as a benign construct, but sees masculinity as something which is potentially an asset. In tandem with positive psychology / positive masculinity (PPPM), we have seen the development of the Male Gender Script (Seager, Sullivan & Barry, 2014), which takes a realistic view of masculinity, rather than the excessively harsh view of the 1990s.

 

Using the PMI in your research

The PMI is free to use and is very handy because it is short and therefore easy to add to a study without adding a burden to the person filling in your study. It is also very easy to score, so is attractive to researchers at all levels of experience. It’s not simply a measure for men’s mental health either, and although it hasn’t been standardised for children or non-English speakers, is perfect for use with adults in general.

For a more detailed description of the scale and it’s properties, see here.

Reference

Barry, J. A., Folkard, A., & Ayliffe, W. (2014). Validation of a brief questionnaire measuring positive mindset in patients with uveitis. Psychology, Community & Health, 3(1), 1-10. Full text available here

About the author

Dr John A. Barry is a Chartered Psychologist and Associate Fellow of the British Psychological Society, Honorary Lecturer in Psychology at University College London, clinical hypnotherapist, and author of over 60 peer-reviewed publications on a variety of topics in psychology and medicine. John is a professional researcher and has taken an interest in improving the teaching of research methods and statistics. He has practiced clinical hypnosis for several years and is a member of the British Association of Clinical and Academic Hypnosis. His Ph.D. was awarded by City University London, on the topic of the Psychological Aspects of Polycystic Ovary Syndrome, which is also the topic of his forthcoming book (Palgrave Macmillan, 2019). He is co-founder of both the Male Psychology Network and the Male Psychology Section of the British Psychological Society (BPS), lead organiser of the Male Psychology Conference, and co-editor of the Palgrave Handbook of Male Psychology and Mental Health (2019).

 

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