Table 2.

Nine developmental domains up to 3 years of age from the World Bank’s Inventory ¹⁶

	Domains	Definition
1	Cognitive	The test assesses cognitive development, including general intellectual ability, problem-solving, conceptual development, reasoning, visual-spatial ability, memory, learning, etc.
2	Language	The test assesses language development/ability, including receptive and/or expressive language.
3	Motor	The test assesses motor development/ability including fine and/or gross motor.
4	Socioemotional/ temperament	The test assesses socioemotional development or temperament, which are overlapping constructs, especially in the early years. Socioemotional development includes behaviour problems, social competency, emotional competency and self-regulation. Temperament includes extraversion/surgency (positive affect, activity level, impulsivity, risk-taking), negative affectivity (fear, anger, sadness, discomfort) and effortful control (attention shifting and focusing, perceptual sensitivity, inhibitory and activational control).
5	Attention/executive function	The test assesses executive function, including attention, working memory, inhibitory control, cognitive flexibility, planning, etc.
6	Personal-social/adaptive	The test assesses personal-social or adaptive skills or self-help skills, such as feeding, dressing, toilet training, recognising and interacting with others.
7	Academic/ preacademic	The test assesses academic or preacademic skills, such as literacy and math/numeracy.
8	Approaches to learning	The test assesses approaches to learning.
9	Disability screener	The test was designed to screen children for disability or severe developmental delay.