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. |