"developing personality" is correct and can be used in written English.
You might use it to describe the process of growing and maturing through learning, experiences, and other influences. For example, "As her teenage years progressed, she found her developing personality more closely reflecting her core values and beliefs."
Keynes won nearly every competition he ever entered, a performance not likely to encourage humility in a developing personality.
She was the lead writer behind Siri, developing personality and voice internationally, and currently consults for clients such as Sophia of Hanson Robotics and a multilingual chatbot.
What at first sight looks like the simple effect of parental treatment on offspring psychology is something much more complicated: whatever genes influence temperament create their own environment, which in turn influences the developing personality.
But beneath the surface, there are potentially troubling sides to Hazare's movement: a developing personality cult, an authoritarian tendency and the essentially urban, middle-class nature of the phenomenon.
Naturally extreme emotions would be moderated and become amenable to the control of the child's developing personality.
A profile of Disney--from the man "who placed a Mickey Mouse hat on every little developing personality in America" to today's corporation.
The environment of Languagelab is now populated by characters that have developed and developing personalities and interact with learners as these characters.
"This is particularly the case in young people whose naturally developing personalities may mask any psychosocial changes following a traumatic brain injury".
Miller showed how such children instinctively suppress their own developing personalities in order to turn like heliotropic plants towards the waning rays of inadequate love.
Her most musically developed personality is showcased on her 2001 album, "Everything's Fine," from which she sang five numbers.
Impact of Positive Emotion Community support, school teachers, parents and peer groups - all contribute to develop personality.
