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WGU Educational Psychology & Development of Children and Adolescents D167 2026 | Study Guide, Practice Questions, Answers, Rationales & Exam Review

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Prepare for the WGU D167 Educational Psychology & Development of Children and Adolescents course with focused study material covering child and adolescent development, learning theories, cognitive and social development, emotional growth, behavior, motivation, developmental stages, and educational applications. Includes practice questions, answers, and detailed rationales to reinforce key concepts and support effective WGU D167 exam preparation.

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WGU Educational
Psychology &
Development of Children
and Adolescents D167
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review



Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included

, Piaget Believed we learn from interaction with peers and environment




Preconventional All about me




Conventional All about rules or laws




Postconventional All about others




Kohlberg Stages of Moral Development- Preconventional, Conventional, Postconventional




Chomsky Theory of Universal Grammar- Innate/Biological




Babbling- 6 to 8 months Consonant-vowel combinations (ba-ba, ma-ma)




Holophrastic- 9 to 18 months Single words represent a sentence (up, juice, mine)




Two-Word- 18 to 24 months Mini sentences (doggy bark, me play)




Telegraphic- 24 to 30 months Vocabulary increases. Use mostly nouns and verbs, omits auxiliary words (Carrie
want ball, I good boy today)- early multiword stage



Later multiword stage- 30+ months 5+ word sentences, fastest vocabulary increase. Sentences formed with improving
grammar, structure



Skinner Operant conditioning and language development- children learn language based on
reinforcement



Operant Conditioning and Language Development Children learn language based on reinforcement, learn language through imitating,
prompting, shaping, they associate words with meanings, correct utterances are
positively reinforced- Skinner


Vygotsky Social approach to language development




Social Approach to Language Development language develops through social interactions, children need interpersonal
interactions, Zone of Proximal Development (ZPD), scaffolding (temp support),
Private speech (talking to yourself)

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