The First Unit of a Product Took 80 Work Days

question 101

Multiple Choice

The first unit of a product took 80 work days. The learning curve is estimated to be 90%. The time for the fourth unit will be about __________ work days and the time for the first four units will be about __________ work days.

• A) 51; 250
• B) 250; 51
• C) 65; 285
• D) 51; cannot be determined
• E) 65; cannot be determined

---

Definitions:

Vocabulary Growth

The process of acquiring new words and expanding one’s range of vocabulary over time.

Under-Extension

A linguistic phenomenon, often observed in children's language development, where a word is used too restrictively, applied to fewer objects than it actually represents.

Overextension

A language development error wherein a child applies a word too broadly to objects that do not fit the word's meaning.

Overextensions

In language development, the overly broad use of a word to include objects that do not fit the word's meaning.