Infant-Toddler Key Developmental Indicators (KDIs)

A. Approaches to Learning

1. Initiative: Children express initiative.
2. Problem solving: Children solve problems encountered in exploration and play.
3. Self-help: Children do things for themselves.

B. Social and Emotional Development

4. Distinguishing self and others: Children distinguish themselves from others.
5. Attachment: Children form an attachment to a primary caregiver.
6. Relationships with adults: Children build relationships with other adults.
7. Relationships with peers: Children build relationships with peers.
8. Emotions: Children express emotions.
9. Empathy: Children show empathy toward the feelings and needs of others.
10. Playing with others: Children play with others.
11. Group participation: Children participate in group routines.

C. Physical Development and Health

12. Moving parts of the body: Children move parts of the body (turning head, grasping, kicking).
13. Moving the whole body: Children move the whole body (rolling, crawling, cruising, walking, running, balancing).
14. Moving with objects: Children move with objects.
15. Steady beat: Children feel and experience steady beat.

D. Communication, Language, and Literacy

16. Listening and responding: Children listen and respond.
17. Nonverbal communication: Children communicate nonverbally.
18. Two-way communication: Children participate in two-way communication.
19. Speaking: Children speak.
20. Exploring print: Children explore picture books and magazines.
21. Enjoying language: Children enjoy stories, rhymes, and songs.

E. Cognitive Development

22. Exploring objects: Children explore objects with their hands, feet, mouth, eyes, ears, and nose.
23. Object permanence: Children discover object permanence.
24. Exploring same and different: Children explore and notice how things are the same or different.
25. Exploring more: Children experience "more."
26. One-to-one correspondence: Children experience one-to-one correspondence.
27. Number: Children experience the number of things.
28. Locating objects: Children explore and notice the location of objects.
29. Filling and emptying: Children fill and empty, put in and take out.
30. Taking apart and putting together: Children take things apart and fit them together.
31. Seeing from different viewpoints: Children observe people and things from various perspectives.
32. Anticipating events: Children anticipate familiar events.
33. Time intervals: Children notice the beginning and ending of time intervals.
34. Speed: Children experience "fast" and "slow."
35. Cause and effect: Children repeat an action to make something happen again, experience cause and effect.

F. Creative Arts

36. Imitating and pretending: Children imitate and pretend.
37. Exploring art materials: Children explore building and art materials.
38. Identifying visual images: Children respond to and identify pictures and photographs.
39. Listening to music: Children listen to music.
40. Responding to music: Children respond to music.
41. Sounds: Children explore and imitate sounds.
42. Vocal pitch: Children explore vocal pitch sounds.