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Global developmental delay is an umbrella term used when children are significantly delayed in two or more areas of development. It can be diagnosed when a child is delayed in one or more milestones, categorised into motor skills , speech , cognitive skills, and social and emotional development. [ 1 ]
Developmental delay is prevalent in approximately 1-3% of children under the age of 5 worldwide. [5] According to a systematic analysis done for a conducted study in 2016, there are approximately 52.9 million children worldwide under the age of 5 that are affected by some type of developmental delay or delayed milestone.
Further, informal checklists lack psychometric scrutiny so we don't have proof that asking about color knowledge is even a good predictor of developmental delays. In contrast quality screening tools use questions proven to predict developmental status and because such measures are standardized, the same task is presented the same way every time ...
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]
The Vineland Adaptive Behavior Scale is a psychometric instrument used in child and adolescent psychiatry and clinical psychology. It is used especially in the assessment of individuals with an intellectual disability , a pervasive developmental disorder , and other types of developmental delays .
As would be expected from an adaptive behavior measure (i.e., ABAS-II) that was developed independently of the Bayley-III, the floor for the Adaptive Behavior scale extends downward to a composite score of 40 (extending upwards to a score of 160), whereas the remaining Bayley-III floor composite scores are relatively higher (Cognitive, 55–145 ...
Some synonyms currently in use for specific language impairment are language impairment, developmental language delay (DLD), language disorder, and language-learning disability. Researcher Bonnie Brinton argues that the term "specific language impairment" is misleading because the disorder does not only affect language, but also affects reading ...
Language delay is a risk factor for other types of developmental delay, including social, emotional, and cognitive delay. Language delay can impact behavior, reading and spelling ability, and overall IQ scores. Some children may outgrow deficits in reading and writing while others do not. [21]