Estimated reading time: 10–12 minutes

What You Will Learn

• What it means for a character strength to develop.
• How research distinguishes everyday behaviour, questionnaire scores, and lasting change.
• Why age, circumstances, and opportunities matter.
• How to practise a strength and evaluate its usefulness without pursuing perfection.

Are Character Strengths Something You Are Born With?

Character strengths often feel familiar across many years. A curious adult may remember asking endless questions as a child, while someone who values fairness may recognise that concern in earlier friendships and decisions. Such continuity can make it seem that we arrive with a fixed amount of curiosity, bravery, gratitude, or perseverance. Yet recognising a familiar tendency does not tell us everything about how it developed or what might change. The VIA Classification, introduced by Peterson and Seligman, describes 24 positively valued aspects of personality; it does not assign people permanent identities or limits.

Research supports a more useful position: strengths can show stability while remaining open to change. A quality may become easier to express, appear in more situations, or be used with better judgment. Some interventions also produce changes in measured strengths, although findings differ across activities and outcomes. This gives us reasons to practise without promising that any exercise will transform personality. The practical question is what kind of change we want, how we might encourage it, and what evidence would show that it happened.

What Does It Mean for a Strength to Grow?

Developing a strength can mean becoming aware of something already present, using it more often, or using it more appropriately. You might recognise perseverance in caring for a relative even though you rarely describe yourself as determined. You might then bring that persistence to a course you have postponed. Alternatively, development could involve combining perseverance with perspective so that effort serves your wider priorities. These changes concern recognition, behaviour, and judgment; they need not all involve an increase in an underlying trait.

Imagine someone who starts expressing appreciation more specifically. After several weeks, their messages may be more thoughtful, their relationships may feel warmer, and a gratitude questionnaire may show a higher score. These are different observations, each worth understanding. A higher score alone does not demonstrate permanent change, because mood, interpretation of questions, and expectations can affect self-reports. Repeated assessment, observations of behaviour, and follow-up strengthen the picture. Likewise, feeling better after an activity does not establish that the intended strength caused the improvement.

What Intervention Research Actually Shows

Gander, Wagner, and Niemiec's 2024 research directly examined strengths as outcomes. In a randomized study of 1,163 adults, using signature strengths in new ways increased reported well-being and both strength states and traits; a habit exercise improved well-being and states. Here, states referred to the frequency of strengths-related behaviour during a week. A second, four-week study of 254 participants found improvements in well-being and states compared with a waiting-list group. The findings support the possibility of change, rather than a guarantee of lasting improvement in every strength.

Cebolla and colleagues' 2025 review covered 162 randomized trials involving 33,032 participants, with more encouraging evidence for some categories than others. However, these categories included related constructs: studies grouped under perspective largely used mindfulness approaches, and kindness included self-compassion. They did not all directly measure the corresponding VIA strengths. In the 2026 analysis of 114 trials, humor and hope interventions did not significantly increase their targeted strengths overall. The mediation models suggested indirect effects on well-being for all five analysed categories except hope, a different finding from whether each targeted strength increased. Such models investigate possible pathways; they do not establish that every everyday strengths exercise improves well-being through a lasting personality change.

Strengths Change Across Life, but Not in a Fixed Sequence

Age comparisons can reveal patterns without showing how any individual develops. Heintz and Ruch's five meta-analyses combined 47 samples with more than one million participants and found mostly very small age differences across 23 strengths. Older groups generally reported higher levels, but cross-sectional comparisons cannot separate ageing from generational or sampling differences. A 2026 longitudinal study by Gao and Wang followed 569 Chinese adolescents across three assessments. Strength profiles were relatively stable, although some participants changed groups. Neither finding supplies a timetable for how everyone's character should develop.

New responsibilities can nevertheless provide opportunities to practise. Coordinating a community project might call on leadership and fairness; returning to education might invite love of learning and perseverance. These are possible demands of a role, not proof that taking the role automatically strengthens those qualities. Support, workload, previous experience, and freedom to make decisions also matter. Someone may develop a better way of responding within a familiar role, while another person needs a different environment before a quality becomes visible. Growth should be understood in relation to the person's circumstances rather than an expected life-stage checklist.

Why Environment Matters

A curious child may ask fewer questions when questions are repeatedly dismissed. An honest employee may choose a private conversation when public disagreement risks retaliation. A creative person may have few opportunities to experiment in tightly prescribed work. These examples show why observing less of a strength does not necessarily mean the person has less of it. The situation may limit what can be expressed or make a different response appropriate. Before deciding that someone needs more bravery or self-regulation, ask what demands and constraints they are facing.

An environment can also make practice more feasible. A manager might invite questions before a decision, a friend might welcome honest feedback, or a study group might offer regular opportunities to explain new ideas. Such arrangements provide occasions to act and receive feedback; whether they produce lasting change still needs evaluation. If you repeatedly fail to practise, examine practical obstacles as well as motivation. A smaller action, a clearer opportunity, or support from another person may be more useful than demanding greater willpower. Adjusting conditions belongs alongside practising the quality itself.

Be Careful With the Neuroplasticity Explanation

It is tempting to explain development by saying that gratitude builds a gratitude pathway or that bravery rewires a fear circuit. The intervention studies discussed here measured psychological outcomes; they do not demonstrate a dedicated brain pathway for each VIA strength. Findings about learning in general cannot establish a specific neural mechanism for a particular exercise. We can describe what participants practised and what measures changed without adding an untested neurological explanation. This keeps the account understandable and proportionate to the evidence.

For personal practice, it is often more informative to examine what became different in an actual situation. Did preparation help you voice a concern? Did feedback show that your attempt at kindness was useful? Did a reminder make it easier to pause before committing to another task? These questions produce information you can act on. They also leave room for several explanations, including improved skill, greater opportunity, or a different interpretation of the situation. You do not need to claim a permanent brain change to recognise a useful adjustment.

Signature Strengths Are Not the Only Strengths Worth Developing

Signature strengths are qualities that feel especially characteristic of you. They can provide a motivating starting point, but a profile's lower-ranked strengths are not defects or qualities you lack entirely. Proyer and colleagues' 2015 randomized trial found happiness benefits from practising both signature and lower-ranked strengths in new ways. Because strengths were measured at baseline, that result does not itself demonstrate that either set increased. It supports considering more than one route into practice while keeping the outcome being measured clear.

Choose according to what a situation needs. Someone who readily offers help may want to practise bravery in stating a limit; a persistent person may benefit from perspective when deciding whether a goal still deserves the effort. Perspective here means seeing the wider situation and drawing on experience to make a considered judgment. Creativity might need self-regulation to carry an idea through, while honesty may need kindness and social intelligence in its delivery. The aim is to expand your options and combine useful qualities, rather than raise every score on a questionnaire.

Practical Ways to Develop a Strength

Begin with a real situation that you can describe clearly. Instead of setting a broad goal to become more prudent, identify a recurring decision, such as accepting extra work before checking your commitments. Decide what you want to change and why it matters. An observable action might be to review your calendar and ask about the deadline before agreeing. Keep the action small enough to attempt under ordinary conditions. This makes it possible to distinguish a useful practice from an admirable intention that remains too vague to follow.

Choose a natural opportunity to repeat the action, then review what happens. You might practise curiosity by asking one clarifying question before offering advice, or gratitude by explaining a particular contribution you appreciated. Note the situation, your response, and any relevant consequence rather than awarding yourself a daily character score. Ask whether the action helped, whether its timing was appropriate, and whether another strength was needed. Feedback from a trusted person can add information, especially when it names specific behaviour. These suggestions are practical experiments, not a validated programme or a guaranteed route to trait change.

After several weeks, review examples across more than one situation. Has the response become easier to choose, and is it helping the problem you intended to address? If you paused before accepting work but still became overloaded, the next adjustment might concern workload or negotiation skills. If appreciation sounded formulaic, you might focus on noticing what genuinely mattered rather than sending more messages. Continue, simplify, or change the practice according to what you learn. Choosing a review date helps prevent repetition from becoming an unquestioned obligation.

Do Not Turn Character Growth Into a Perfectionism Project

Developing strengths does not require maximising every positive quality. Underuse describes bringing too little of a strength to a situation; overuse describes applying it excessively or in a way that becomes unhelpful. Optimal use involves a response suited to the circumstances, including its timing, intensity, and effects on others. These terms help examine behaviour without treating a person as deficient. A low questionnaire ranking is not automatically underuse, and a high ranking is not evidence of overuse. Both depend on what happens in a particular context.

Consider kindness when you already have more commitments than you can manage. Offering another hour of help may undermine an existing promise, while a clear limit and a useful alternative may serve everyone better. Similarly, perseverance can involve changing a method rather than repeating it, and bravery can include asking for support. Rest, disappointment, and uncertainty do not cancel your strengths. A practice is worth reconsidering if it creates pressure without helping the situation. Development should make constructive responses more available, including the option to stop an unsuitable exercise.

Character Can Develop Without Becoming a Blank Slate

The evidence allows room for both continuity and development. Some patterns remain recognisable over time, while particular behaviours and measured strengths can change. Research has not established one method, timescale, or developmental path that applies equally to all 24 strengths. It is therefore useful to keep the goal specific and the conclusions modest. A better conversation, a more considered decision, or a more workable boundary can be meaningful progress without proving a permanent transformation of character.

Choose one quality relevant to something that matters now, give it a concrete expression, and pay attention to the result. Allow other strengths to support or balance it, and consider what your environment makes possible. Keep what helps and adjust what does not. Over time, a record of actual situations will tell you more than a demand to become your best self every day. The purpose is to develop more thoughtful choices in the life you are living.

References

• Cebolla, A., Fernández-Castilla, B., Lecuona, O., et al. (2026). Efficacy of cultivating human strengths and virtues on well-being: A one-stage meta-analytic structural equation modeling approach. Clinical Psychology Review, 124, 102692. https://doi.org/10.1016/j.cpr.2026.102692.
• Cebolla, A., Navarro-Siurana, J., Galante, J., et al. (2025). A synthesis of RCTs on psychological interventions fostering strengths and virtues: Evidence from 21 systematic reviews. Applied Psychology: Health and Well-Being, 17(4), e70069. https://doi.org/10.1111/aphw.70069.
• Gander, F., Wagner, L., & Niemiec, R. M. (2024). Do character strengths-based interventions change character strengths? Two randomized controlled intervention studies. Collabra: Psychology, 10(1), 108604. https://doi.org/10.1525/collabra.108604.
• Gao, H., & Wang, Z. (2026). Profiles and transitions of character strengths among Chinese adolescents: Predictive role of parental acceptance and rejection. Journal of Youth and Adolescence, 55, 448–464. https://doi.org/10.1007/s10964-026-02323-y.
• Heintz, S., & Ruch, W. (2022). Cross-sectional age differences in 24 character strengths: Five meta-analyses from early adolescence to late adulthood. The Journal of Positive Psychology, 17(3), 356–374. https://doi.org/10.1080/17439760.2021.1871938.
• Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification, Oxford University Press.
• Proyer, R. T., Gander, F., Wellenzohn, S., & Ruch, W. (2015). Strengths-based positive psychology interventions: A randomized placebo-controlled online trial on long-term effects for a signature strengths- vs. a lesser strengths-intervention. Frontiers in Psychology, 6, 456. https://doi.org/10.3389/fpsyg.2015.00456.