During the Two-Word Stage of Language Development,_____________ Occur(s)

question 17

Multiple Choice

During the two-word stage of language development,_____________ occur(s) .

• A)the word explosion
• B)formal operations
• C)categorical speech perception
• D)speech segmentation

---

Definitions:

Internal Validity

The extent to which a study can demonstrate a causal relationship between variables, minimizing the impact of confounding variables.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people outside of the experimental setting.

Construct Validity

The degree to which a test or instrument measures the theoretical construct or psychological concept it intends to measure.

Population

The total number of people under consideration.