This study source was downloaded by 100000865965430 from CourseHero.com on 07-14-2023 13:12:30 GMT -05:00https://www.coursehero.com/file/207269458/LETRS-Unit-2-All-Sessions-1-8-different-sets-supplementary-exam-2023pdf/ LETRS Unit 2 All Sessions 1-8 (different sets) supplementary exam 2023 Even one-year-olds comprehend much of what is said by others. Most children generate simple sentences by the time they are 16 to 24 months of age. The few children known to scientists who did not learn to speak in early childhood, such as the French Wild Boy of Aveyron and the closet child, Genie (Curtis, 1977),* were almost totally isolated from other people during their critical early years. Neither recovered normal language function later in life. Table 1.1: Progression of Typical Oral Language Development 0-3 Months 4-6 Months 7 Months- 1 Year 1-2 Years 2-3 Years 3-4 Years 4-5 Years Coos; Makes Imitates Uses more Has words Says Uses clear cries; more different words each for almost sentences voice, detailed smiles speech- speech sounds, month; puts everything; uses with four or sentences; like longer groups two words two to three more words; sticks to babbles; of sounds; together into words together; talks about topic; uses includes begins saying phrases; asks is more easily activities appropriate many words such questions understood, and/or people, grammar; says sounds