The Best Evidence That There Is a Critical Period for Language

question 246

Multiple Choice

The best evidence that there is a critical period for language mastery is the fact that

• A) infants babble in sounds that occur in their parents' native language.
• B) toddlers maintain a capacity to discriminate language sounds they have never heard.
• C) people most easily master the grammar of a second language during childhood.
• D) preschoolers typically fail to use proper syntax.

---

Definitions:

Scale Construction

The process of developing a measurement tool that quantifies abstract concepts or variables, often involving item generation, testing, and validation.

Item Generation

The process of creating questions, prompts, or tasks for use in surveys, assessments, or tests.

Scale Construction

The process of developing a measurement tool that quantitatively assesses a particular variable or set of variables.

Linear

A relationship or progression that is straight or sequential, often referring to models where the effect of one variable on another is constant.