Development Is Not the Same as Progress

Why business leaders should be more skeptical about what they mean by “growth”

Business leaders use the language of development with striking confidence. We develop leaders, develop teams, develop cultures, develop succession pipelines, and develop organizational capability. The vocabulary implies upward movement: more maturity, better judgment, stronger performance, wiser leadership. In most companies, that assumption is so deeply embedded that it rarely gets tested. Growth is treated as inherently positive. Experience is treated as inherently instructive. Time is treated as inherently improving. But the research behind human development and organizational adaptation points to a less reassuring conclusion: development often creates gains and losses at the same time, strengthens one capability while weakening another, and can sometimes make outcomes worse rather than better.

Development produces change, but whether that change is beneficial depends on context, timing, tradeoffs, incentives, and the measures being used to judge success.

That matters because modern leadership systems are built on developmental bets. Promotion assumes that success at one level predicts readiness for the next. Executive coaching assumes that reflection and feedback will improve performance. Stretch assignments assume that added scope and complexity produces growth. Transformation efforts assume that greater process maturity will produce healthier, more adaptive organizations. Sometimes those bets pay off. Sometimes they do not. The core mistake is not believing in development; it is confusing development with improvement. A better formulation is narrower and more useful: development produces change, but whether that change is beneficial depends on context, timing, tradeoffs, incentives, and the measures being used to judge success.

Development is multidirectional, not automatically upward

One of the clearest challenges to the “development equals progress” assumption comes from life-span developmental psychology. Paul and Margret Baltes’ work on selective optimization with compensation does not describe development as uninterrupted ascent. It describes development as a process of selecting priorities, optimizing effort, and compensating for constraints and losses. In plain language, human adaptation often requires narrowing goals, concentrating resources, and making intelligent adjustments in response to what can no longer be done as easily as before. This is a sophisticated picture of development, but it is not a triumphalist one. It treats gains and losses as normal companions rather than opposites.

For business leaders, this is more than a theoretical nuance. It means that a person can become stronger in one dimension while weaker in another. A senior executive may become more composed in the boardroom while becoming less receptive to challenge. A team may become more aligned while becoming less candid. An organization may become more disciplined while becoming less entrepreneurial. In each case, development is happening, but it is not moving cleanly in the direction leaders assume. The practical implication is simple: “more developed” does not necessarily mean “better led” or “better equipped.”

Experience can deepen judgment, but it can also harden habit

One of the most persistent errors in leadership thinking is the equation of experience with effectiveness. Experience can improve pattern recognition, situational judgment, and executive presence. It can also reinforce habit, increase overreliance on prior success formulas, and reduce openness to contradictory evidence. The same leader who appears more seasoned may also be more committed to familiar scripts, more confident in stale assumptions, and less willing to revise a model that worked in the past. Experience is real development. It is just not guaranteed improvement.

This is where many leadership failures become intelligible. The executive who rose through force of will and speed may falter when the organization now requires delegation and systems thinking. The leader who built credibility through technical rigor may become brittle in a role that depends more on ambiguity tolerance and social influence. The founder who succeeded through hands-on control may become the bottleneck that prevents scale. None of these outcomes contradict development. They demonstrate that the same developmental path that creates success at one stage can create dysfunction at the next.

Organizations mature, and then they can calcify

James March’s work on exploration and exploitation remains one of the best frameworks for understanding why organizational development can become self-defeating. March argued that organizations face a structural tension between exploiting what they already know and exploring what they still need to learn. Exploitation is efficient, measurable, and usually rewarded in the short term. Exploration is uncertain, slower, and often more expensive. The danger is that organizations become increasingly good at refining current success while quietly weakening their ability to discover what comes next. What looks like maturity can therefore become strategic narrowing.

This helps explain why successful firms often become stale in ways they do not initially recognize. Process improves. Governance strengthens. Roles become clearer. Variance drops. Forecasting improves. These are real achievements. But those same gains can suppress experimentation, reduce dissent, and reward conformity to the current operating logic. The organization becomes better at protecting what it already knows than learning what it does not. In that sense, development is still occurring, but it is moving toward rigidity rather than resilience. Leaders often miss this because they measure maturity through internal efficiency rather than adaptive capacity.

Pressure does not automatically produce maturity

Leadership cultures often romanticize pressure. They assume that adversity builds stronger leaders, that difficult assignments create depth, and that strain produces wisdom. Research on the threat-rigidity effect suggests a more cautious view. Under threat, individuals and organizations often restrict information processing, centralize control, and rely more heavily on dominant responses. Some of that can be useful in the short term. In a true emergency, simplification can improve coordination. But the broader lesson is uncomfortable: stress often narrows perception rather than expanding it.

In business language, this means that pressure can look like leadership growth while reducing adaptability. A leader may seem more decisive while becoming less reflective. A team may seem more aligned while becoming less candid. An organization may appear more focused while becoming less exploratory. These are not trivial distinctions. During difficult periods, companies often praise exactly the behaviors that indicate contraction: tighter control, less dissent, quicker closure, heavier reliance on familiar routines. The problem is not that those behaviors are always wrong. It is that leaders too often mistake them for evidence of development when they may be evidence of defensiveness.

Growth in one area can increase vulnerability in another

Developmental psychology offers a useful analogy for leadership. Research on adolescence shows a period of real growth in cognitive, social, and emotional capacity that is also associated with heightened reward sensitivity and risk-taking. The lesson is not about drawing a simplistic parallel between executives and teenagers. The lesson is structural: capability expansion can increase exposure to new forms of error. Growth does not only create strengths; it can also create vulnerabilities.

That same logic appears in business leadership. As executives gain authority, visibility, and confidence, they often become more exposed to overreach. As they become more influential, they may also become more insulated. As their judgment improves in some areas, they may become less likely to receive corrective feedback in others. Growth in one domain can therefore create risk in another. Leaders who understand this stop asking only whether someone has become more capable; they also ask what new liabilities that expanded capability may create.

Development is metabolically expensive

One reason development is hard at the individual level is that the brain is not built for limitless expansion. It is an energetically expensive organ operating under strict biological constraints. In adults, the human brain accounts for only about 2% of body mass but uses roughly 20% of the body’s glucose and oxygen at rest; much of that energy is spent on synaptic signaling rather than on “higher thinking” in the abstract. In childhood, the burden is even more striking: brain glucose use rises to a lifetime peak during early and middle childhood, and aggregate estimates suggest that the developing brain can consume as much as 66% of resting energy expenditure at its peak. That is not a picture of open-ended growth. It is a picture of a system making costly investments under tight energy limits.

This matters because development is not just about adding capability; it is also about paying for it. Synaptogenesis, myelination, plasticity, and sustained learning all require metabolic resources. Research on mammalian development shows that cerebral metabolic rate tracks synaptogenesis, which helps explain why periods of rapid circuit formation are so costly. Kuzawa and colleagues go further, arguing that the high glucose demands of the developing human brain are large enough to trade off against body growth, with peak childhood brain metabolism coinciding with the slowest period of somatic growth before puberty. In other words, the body appears to slow one form of development to fund another. That is a useful corrective to the corporate fantasy that more development is always available on demand. Biology does not work that way. It allocates, prioritizes, and imposes tradeoffs.

The brain also appears designed to conserve and optimize, not simply to accumulate. Developmental pruning is a good example. Early in life the brain overproduces connections, then selectively eliminates many of them as circuits mature. That pruning is not evidence of failure; it is part of how the brain becomes more efficient and functionally precise. Recent reviews and computational work describe pruning as a way to remove redundant connections and optimize network topology because neurons and synapses require both space and energy to maintain. Likewise, neuroscientists have argued that synaptic plasticity itself is energetically costly, and that the brain relies on energy-efficient strategies rather than unconstrained plasticity. Put bluntly, the brain does not want infinite activation, infinite connection, or infinite learning all at once. It wants workable efficiency.

That conservation logic also helps explain why development is effortful, fragile, and uneven. Tononi and Cirelli’s formulation that sleep is “the price we pay for plasticity” captures the point well: strengthening synapses through learning raises energy demand, increases cellular stress, and eventually requires renormalization. Development, then, is not a simple upward march toward more complexity. It is a constrained biological process in which every gain has to be stabilized, fueled, and integrated. For leaders, the analogy is powerful. Individual growth is hard not because people resist improvement for irrational reasons, but because real development requires metabolic resources, recovery, selectivity, and repeated pruning of what is no longer useful. Human beings are not built for endless expansion. They are built for costly adaptation under limits.

Power can reduce perspective-taking

Research by Galinsky and colleagues adds an especially important warning for senior leaders. Their work found that power can reduce spontaneous perspective-taking and increase reliance on one’s own vantage point. In organizational life, that matters because seniority often combines two forces at once: more confidence and less correction. The higher a leader rises, the more likely it becomes that other people manage the interaction, soften bad news, and withhold dissent. The leader may therefore become more polished, more articulate, and more outwardly authoritative while becoming less accurate about culture, less sensitive to impact, and less able to detect where their assumptions no longer match reality.

This is one reason leadership derailment so often appears paradoxical. The person has more experience, more accomplishments, more status, and more exposure than before. By the usual corporate logic, they should be getting better. Yet the derailment often emerges from accumulated success itself. Confidence grows faster than self-questioning. Influence grows faster than humility. Skill at performance grows faster than willingness to hear unpleasant truths. Organizations misread this because they confuse polish with maturity and certainty with judgment. Research gives little basis for that optimism.

Some developmental interventions backfire

Leaders should be just as careful about programs and interventions as they are about experience and seniority. In corporate life, coaching, training, assessment, off-sites, and stretch roles are often treated as benign at worst and beneficial at best. But intervention research more broadly gives strong reason to reject that assumption. One of the clearest examples comes from psychological debriefing after trauma. The intervention was designed to help people process distress and prevent later harm. Cochrane reviews found that single-session debriefing did not prevent post-traumatic stress disorder and could be equivalent to or worse than control conditions for some participants.

The direct context is not leadership development, but the causal lesson is highly relevant. Good intent does not guarantee good effect. An intervention can be intuitively appealing, widely adopted, and still fail or cause harm. The same warning appears in the Campbell review of “Scared Straight” programs, which found no evidence of benefit and evidence that such programs increased offending. Again, the point is not to import juvenile justice findings into executive development as if they were interchangeable. The point is more basic: human beings do not improve simply because an intervention is serious, intense, or well intentioned. Timing, readiness, dosage, environment, and interpretation matter enormously.

In business, this suggests that some stretch roles are too early, some feedback systems create defensiveness instead of reflection, some leadership programs produce performance of insight rather than real change, and some coaching relationships create dependence rather than stronger judgment. Leaders should stop asking whether an intervention looks developmental and ask instead whether it produces better decisions, stronger relationships, greater adaptability, and more durable performance.

What this means for talent and succession

For talent leaders, the first implication is that potential should be treated as conditional, not inevitable. A high-potential label is not a forecast of linear ascent. It is a hypothesis about what a person might become under the right conditions. Second, promotion should not be confused with development. Promotion can accelerate growth, but it can also expose fragilities the organization has not yet seen. Third, developmental outcomes should be evaluated more broadly than visible advancement. Has the person become more effective without becoming more brittle? More influential without becoming more political? More decisive without becoming less curious? More confident without becoming less teachable? These are better tests of development than title progression alone.

At the organizational level, the same discipline applies. Leaders should ask not only what development is producing, but what it may be eroding. Better process may come at the cost of experimentation. Greater alignment may come at the cost of dissent. Stronger culture may come at the cost of heterodoxy. Better executive coordination may come at the cost of local initiative. The right question is not whether the organization is becoming more mature, but whether it is becoming more capable without becoming less adaptive.

The more useful leadership assumption

Business leaders do not need a cynical view of development. They need a more exact one. People do grow. Teams do improve. Organizations do learn. But none of that happens automatically, and none of it moves in a single direction. The evidence points to a more disciplined conclusion: development changes people and systems, but it does not guarantee better outcomes. It can strengthen, narrow, distort, stabilize, elevate, or destabilize depending on the conditions.

The most useful reframing is simple. Development is not ascent. It is adaptation. Sometimes that adaptation is excellent. Sometimes it is compromised. Sometimes it solves one problem by creating another. Leaders who understand this are less likely to romanticize experience, overvalue pressure, or trust developmental programs simply because they appear serious. They ask harder questions: What strength is becoming overused? What success formula is turning into rigidity? What intervention assumes readiness that is not really there? What are we calling growth that is adaptation to dysfunction? Those are the questions that usually separate serious leadership judgment from expensive optimism.

Barry Conchie

April 2026

References

Baltes, P. B., & Baltes, M. M. (1990). Psychological perspectives on successful aging: The model of selective optimization with compensation. In P. B. Baltes & M. M. Baltes (Eds.), Successful aging: Perspectives from the behavioral sciences (pp. 1–34). Cambridge University Press.

Engl, E., Zhang, Y., Földi, C. J., & Levelt, C. N. (2021). Mechanisms governing activity-dependent synaptic pruning in the developing mammalian CNS. Nature Reviews Neuroscience, 22(11), 657–673. https://doi.org/10.1038/s41583-021-00507-y

Galinsky, A. D., Magee, J. C., Inesi, M. E., & Gruenfeld, D. H. (2006). Power and perspectives not taken. Psychological Science, 17(12), 1068–1074. https://doi.org/10.1111/j.1467-9280.2006.01824.x

Kuzawa, C. W., Chugani, H. T., Grossman, L. I., Lipovich, L., Muzik, O., Hof, P. R., Wildman, D. E., Sherwood, C. C., Leonard, W. R., & Lange, N. (2014). Metabolic costs and evolutionary implications of human brain development. Proceedings of the National Academy of Sciences of the United States of America, 111(36), 13010–13015. https://doi.org/10.1073/pnas.1323099111

March, J. G. (1991). Exploration and exploitation in organizational learning. Organization Science, 2(1), 71–87.

Petrosino, A., Turpin-Petrosino, C., Hollis-Peel, M. E., & Lavenberg, J. G. (2013). “Scared straight” and other juvenile awareness programs for preventing juvenile delinquency: A systematic review. Campbell Systematic Reviews, 9(1), 1–55. https://doi.org/10.4073/csr.2013.5 

Rose, S., Bisson, J., Churchill, R., & Wessely, S. (2002). Psychological debriefing for preventing post-traumatic stress disorder (PTSD). Cochrane Database of Systematic Reviews, (2), CD000560. https://doi.org/10.1002/14651858.CD000560

Staw, B. M., Sandelands, L. E., & Dutton, J. E. (1981). Threat-rigidity effects in organizational behavior: A multilevel analysis. Administrative Science Quarterly, 26(4), 501–524.

Sokoloff, L. (1999). Energetics of functional activation in neural tissues. Neurochemical Research, 24(2), 321–329.

Tononi, G., & Cirelli, C. (2014). Sleep and the price of plasticity: From synaptic and cellular homeostasis to memory consolidation and integration. Neuron, 81(1), 12–34. https://doi.org/10.1016/j.neuron.2013.12.025