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MILESTONES IN PHYSICAL DEVELOPMENT. Motor Skills Average age Age range Can hold head steady 6 weeks 3 weeks-4 months When lying prone can lift themself by their arms 2 months 3 weeks-4 months Rolls from side to back 2 months 3 weeks-5 months Grasps objects 3 ½ months 2 – 7 months Rolls from back to side 4 ½ months 2 – 7 months Sits alone 7 months 5-9 months Crawls 7 months 5-11 months Pulls to stand 8 months 5-12 months Plays pat-a-cake 9 ½ months 7 -15 months Stands alone 11 months 9-16 months Walks alone 11 ½ months 9-17 months Builds tower of two cubes 11 ½ months 10-19 months Scribbles vigorously 14 months 10-21 months Walks up stairs with help 16 months 12-23 months Jumps 23 ½ months 17-30 months Balance improves-walking becomes more coordinated 24 months 17-30 months Uses a spoon effectively 24 months 17-30 months Walks on tiptoe 25 months 16-30 months Uses scissors 36 months 25-40 months Skipping appears 5 – 6 years Shows maturity in throwing and catching 5 – 6 years Ties shoes, draws more complex pictures, uses an adult like pencil grip, and writes name 5 – 6 years Drawings become more detailed 6 – 8 years Adolescent growth spurt occurs for girls 9 – 11 years Gross motor skills improve with better coordination 9 – 11 years Reaction time improves contributing to motor development 9 – 11 years Puberty begins Around 11 years MILESTONES IN COGNITIVE DEVELOPMENT. Average age range Engages in imitation of adult’s facial expressions Birth – 6 months Recognition memory for people, places objects improve Birth – 6 months Engages in intentional, or goal- directed behaviour. 7 – 12 months Finds objects hidden in a place 7 – 12 months Engages in imitation of adults’ actions with objects 7 – 12 months Recall memory for people, places and objects further improves 7 – 12 months Solves simple problems 7 – 12 months Sustained attention improves 13 – 18 months Memory becomes less dependent on context 13 – 18 months Engages in make-believe play 19 – 24 months Sorts objects into categories more effectively 19 – 24 months Recall memory for people, places and objects improves further 19 – 24 months Make–believe becomes less dependent on realistic toys, less selfcentered, and more complex 2 – 3 years Can take the perspective of others in simple situations 2 – 3 years Recognition memory is well developed 2 – 3 years Attention becomes more sustained and planful 3 – 4 years Aware of some meaningful features of written language 3 – 4 years Aware of some meaningful features of written language 3 – 4 years Attention continues to improve 5 – 6 years Counts on and counts down, engaging in simple addition and subtraction 5 – 6 years Understanding of spatial concepts improves such as being able to give directions 6 – 8 years Attention further improves 6 – 8 years Long-term knowledge base grows larger 9 – 11 years Becomes more self-conscious and self-focused 11 – 14 years Becomes more idealistic and critical 11 – 14 years Is likely to show reasoning on familiar tasks 14 – 21 years Becomes better at everyday planning and decision making 14 – 21 years MILESTONES IN LANGUAGE DEVELOPMENT Average age range Engages in cooing and, by the end of this period babbling Birth – 6 months Establishes joint attention with caregiver Birth – 6 months Babbling expands to include sounds of spoken languages and the child’s language community 7 – 12 months Activity takes turns in games 13 – 18 months Uses preverbal gestures to influence other’s behaviour 13 – 18 months Says first word 13 – 18 months Vocabulary increases to 200 words 19 – 24 months Combines two words 19 - 24 months Displays effective conversational skills 2 – 3 years Understands many culturally accepted ways of adjusting speech to fit age, sex, and social status of speakers and listeners 3 – 4 years Vocabulary reaches about 10,000 words 5 – 6 years Vocabulary increases rapidly 6 – 8 years Word definitions are concrete, referring to functions and appearance 6 – 8 years Adapts messages to the needs of listeners in complex communication situations 9 – 11 years Narratives about past become longer and more complex 9 – 11 years Conversational strategies become more refined 9 – 11 years Grasps irony, sarcasm, and figurative language, such as proverbs 11 – 14 years Can make subtle adjustments in speech style, depending on the situation. 11 – 14 years Can read and interpret adult literary works 14 – 21 years MILESTONES IN SOCIAL & EMOTIONAL DEVELOPMENT Average age range Social smile and laughter emerge. Birth – 6 months Matches adults’ emotional expressions during face-to-face interaction Birth – 6 months Anger and fear increase in frequency and intensity 7 – 12 months Stranger anxiety and separation anxiety appear 7 – 12 months Shows clear-cut attachment to familiar caregivers. 7 – 12 months Joins in play with familiar adults, siblings, and peers 13 – 18 months Me-self emerges; recognises image of self in mirror and on videotape. 13 – 18 months Begins to realise others’ emotional reactions may differ from one’s own 13 – 18 months Self-conscious emotions emerge 19 – 24 months Acquires a vocabulary of emotional terms 19 – 24 months Begins to tolerate caregiver’s absences more easily 19 – 24 months Uses own name or personal pronoun to label image of self. 19 – 24 months Begins to develop a self-concept and self-esteem 2 – 3 years Cooperation and instrumental aggression appear 2 – 3 years Understands causes, consequences, and behavioural signs of basic emotions 2 – 3 years Emotional self-regulation improves 3 – 4 years Experiences self-conscious emotions more often 3 – 4 years Non-social activity declines and interactive play increases. 3 – 4 years Forms first friendship 3 – 4 years Bases understanding of people’s intentions on a wider range of social cues 5 – 6 years Ability to interpret, predict, and influence other’s emotional reactions improves 5 – 6 years Becomes better at social problem solving 5 – 6 years Self-conscious emotions of pride and guilt are governed by personal responsibility 6 – 8 years Understands that access to different information often causes people to have a different perspective 6 – 8 years Becomes more responsible and independent 6 – 8 years Able to regulate emotions 9 – 11 years Moodiness and parent-child conflict increase 11 – 14 years Strives for autonomy, spending less time with parents and siblings 11 – 14 years Conformity to peer pressure increases 11 – 14 years Self-esteem tends to rise 14 – 21 years Is likely to be searching for an identity 14 – 21 years