Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
developmental age
Grammar usage guide and real-world examplesUSAGE SUMMARY
"developmental age" is a correct and usable phrase in written English.
It refers to the stage of development or growth that a person has reached in terms of cognitive, physical, or social abilities. It is typically used in psychology, education, and child development. Example: "Based on the child's behavior and skills, their developmental age appears to be that of a typical 5-year-old, despite being chronologically 7 years old."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
What developmental age equivalent, the patient wanted to know, do most people with Down syndrome reach?
News & Media
Ben was two years old but his developmental age was closer to nine months.
News & Media
A consultant clinical psychologist had advised the judge that the boy had a developmental age of between six and eight.
News & Media
One pitfall in dealing with minors is not taking into account the unique issues and needs of a particular developmental age.
News & Media
CPH diagnosis can be difficult in developmental age, due to the frequency and duration of attacks.
To date no other study has investigated alexithymia in subgroups of primary headaches in developmental age.
As for developmental age, there are too few studies correlating alexithymia with primary headache.
CPH has been only rarely and incompletely described in the developmental age.
In developmental age migraine is a very common neurological disorder, but very few drugs are disposable.
However, chronological age is not always the same as developmental age.
Juvenile Fibromyalgia is currently emerging as an invalidating disease, even in developmental age [19 21].
Expert writing Tips
Best practice
When discussing a child's progress, use "developmental age" to provide a more accurate picture than chronological age alone, especially if there are developmental delays or advancements.
Common error
Avoid using chronological age as the sole indicator of a person's abilities. Consider "developmental age" to understand their true capabilities and needs, particularly in educational or therapeutic contexts.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "developmental age" functions as a noun phrase, where "developmental" acts as an adjective modifying the noun "age". It commonly specifies a stage or level of progress in cognitive, physical, or emotional growth. Ludwig AI confirms its correct and frequent usage.
Frequent in
Science
63%
News & Media
26%
Formal & Business
11%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "developmental age" is a crucial term for accurately assessing an individual's progress beyond chronological age, especially in contexts like education, therapy, and medicine. Ludwig AI confirms that the term is correct and commonly used. While it's prevalent in scientific and medical fields, understanding its use can improve communication across various domains. By considering factors beyond chronological age, professionals and caregivers can better support individuals in reaching their full potential. Common errors can be avoided by not relying on chronological age as the sole indicator of ability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mental age
Specifically refers to the level of cognitive ability compared to chronological age.
functional age
Refers to age based on functional abilities rather than chronological age.
level of development
A broader term that can encompass various aspects of development.
cognitive development level
Focuses specifically on the cognitive aspects of development, rather than overall development.
stage of maturation
Emphasizes the process of maturing or reaching full development.
psychological development stage
Focuses on the stages of psychological growth and change.
growth stage
Highlights the physical and biological aspects of development.
physical development level
Emphasizes the physical aspects of a person's development.
maturity level
Focuses on the level of maturity achieved, often in social or emotional contexts.
emotional maturity
Highlights emotional development and stability.
FAQs
How is "developmental age" assessed?
Professionals assess "developmental age" using standardized tests and observations to evaluate cognitive, social, emotional, and physical skills against typical milestones for chronological age.
What's the difference between "developmental age" and chronological age?
Chronological age is the actual time since birth, while "developmental age" reflects a person's current level of functioning, which may be different from their chronological age. For example, someone may have a "mental age" that is different from their chronological age.
When is it important to consider "developmental age" over chronological age?
It's crucial to consider "developmental age" when designing educational programs, providing therapeutic interventions, or making medical decisions, especially for individuals with "developmental delays" or disabilities.
What factors can influence a person's "developmental age"?
Genetics, nutrition, environment, and access to healthcare and education can all significantly impact a person's "developmental age".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested