me designs (longitudinal), can’t study everything Quasi-Experimental-when it’s not possible to manipulate IV, can sometimes examine haw a-prior variations of IV are related to specific outcomesAPPROACHS TO COGNATIVE DEVELOPMENTBehaviorist-studies basic mechanics of learning. Concerned w/how behavior changes in response to experiencePsychometric-measures individual differences in quantity of intelligence w/IQ test.Piagetian- looks at changes in quality of cognitive functioning. Concerned w/how mind structures its activities and adapts to environmentLANGUAGE DEVELOPMENT STAGESBirth Can perceive speech, cry, make some response to sound1-3Coos and laughs3plays with speech sounds4-6Begins to store sound patterns & link sounds w/meaning6-10Babbles in vowels6-12recognizes basic sounds of own language & becomes aware of rules9-10Imitates sounds9-12Begins to use gestures10-12Can no longer discriminate sounds not in language10-14Say 1st word10-18Says single word13 Understands symbolic function of naming, uses representational gestures14Uses symbolic gestures16-24Learns many words, expanding vocab. Rapidly 50-400, uses verbs & adjectives18-24Says 1st sentence 20Uses fewer gestures: names more things20-22Has comprehension spurt24Uses many 2word phrases, no babbling, wants to talk30Learns words every day, speaks in combination of 3+ words understands well36Says up to 1000words, 80% intelligible, makes some mistakes in syntaxEarly VocalizationRecognizing Language SoundsGestures1st words1st sentenceTHERIOES Nature vs. NurtureSKINNER’s Classic Learning Theory-Children learn language through operant conditioningObservation, Imitation, Reinforcement NATIVISM Chomsky‘s- humans have inborn capacity for language acquisition, Children of all background learn language at same age, humans only capable of language LADLANGUAGE INFLUENCESMaturation of the brainSocial interactionChild directed SpeechPhonemes-basic units of sound, babbling...
