Praxis 5355

Explanation

The preoperational stage (ages 2–7) is defined by symbolic thinking and language development, but children in this stage are egocentric and cannot yet perform logical operations. A is incorrect because the sensorimotor stage (birth–2 years) is characterized by learning through senses and motor actions, not symbolic language. C is incorrect because the concrete operational stage (7–11 years) involves logical thinking applied to concrete objects, and egocentrism decreases. D is incorrect because the formal operational stage (12+) involves abstract and hypothetical reasoning, well beyond egocentrism.

Explanation

Vygotsky's ZPD refers to the gap between what a learner can accomplish independently and what they can achieve with support from a more knowledgeable other, such as a teacher or peer. A is incorrect because that describes the lower boundary of the ZPD, not the ZPD itself. C is incorrect because the ZPD is a social-constructivist concept, not a biologically determined ceiling. D is incorrect because mastered skills fall below the ZPD; they no longer require instructional scaffolding.

Explanation

Most children typically produce their first meaningful word between 10 and 14 months of age, which is a well-established developmental milestone in speech-language acquisition. A is incorrect because at 3–4 months, infants are primarily cooing and producing vowel sounds, not meaningful words. B is incorrect because at 6–8 months, babies are babbling (e.g., 'ba-ba'), which are not yet true words. D is incorrect because by 18–24 months, children typically have a vocabulary of 50 or more words and are beginning to combine words into two-word phrases.

Explanation

Twice-exceptional (2e) students are those who demonstrate high intellectual or creative ability (gifted) while also having a disability that qualifies them for special education services. Bilingual students receiving ELD services are not described by the term 'twice-exceptional.' Having two physical health conditions is a medical consideration unrelated to the twice-exceptional educational designation. Repeating a grade level is a retention decision and has no relation to the twice-exceptional classification.

Explanation

Initiative vs. Guilt is the third stage in Erikson's model, occurring during the preschool years (ages 3–6), when children begin to assert control and take initiative in activities. A is incorrect because Trust vs. Mistrust is the first stage, occurring in infancy (birth–18 months). B is incorrect because Autonomy vs. Shame and Doubt is the second stage, occurring in toddlerhood (18 months–3 years). D is incorrect because Industry vs. Inferiority is the fourth stage, occurring in middle childhood (6–12 years).

Explanation

In Maslow's hierarchy, physiological needs (food, shelter) and safety needs must be met before social belonging and love needs can be addressed. Esteem needs come after belonging needs, not before. Self-actualization is the highest level and is addressed last. Cognitive needs are part of the extended hierarchy but come after basic and psychological needs have been met.

Explanation

Maslow's hierarchy places physiological needs (food, water, shelter) and safety needs at the base; these must be met before higher-level needs like learning can be addressed. Esteem needs (respect, recognition) are higher-level needs that come after belonging and cannot be prioritized over basic survival needs. Self-actualization is the highest level and represents realizing one's full potential, requiring all lower needs to be met first. Cognitive needs appear in extended versions of Maslow's hierarchy but are still dependent on the base physiological and safety needs being fulfilled.

Explanation

Blending spoken sounds to form words is a classic phonological awareness task because it operates at the oral/auditory level without requiring print. Identifying correct spelling involves orthographic knowledge and is a phonics or spelling task, not purely phonological. Reading aloud with correct intonation involves print and prosody, going beyond phonological awareness. Writing with punctuation is a written language skill unrelated to phonological awareness.

Explanation

The DSM-5 requires that several inattentive or hyperactive-impulsive symptoms were present before age 12 for a diagnosis of ADHD. Age 5 is not the correct threshold in the DSM-5 criteria. Age 7 was the prior DSM-IV threshold but was changed in DSM-5 to age 12 to account for variability in symptom recognition. Age 16 far exceeds the onset criterion and is not consistent with ADHD diagnostic guidelines.

Explanation

Down syndrome is caused by trisomy 21, in which an individual has three copies of chromosome 21 instead of the typical two, leading to characteristic physical features and varying degrees of intellectual disability. A is incorrect because deletion of part of chromosome 5 causes Cri-du-chat syndrome, not Down syndrome. C is incorrect because a fragile site on the X chromosome describes Fragile X syndrome, a different genetic condition. D is incorrect because monosomy 18 does not describe Down syndrome; trisomy 18 (Edward syndrome) is a different chromosomal condition.