The Chapter 01 Word List is on page 1 of your textbook.
Nouns: Click on the link to see the dictionary definition
Approach (is also a verb, both a noun and a verb).
Benefit (both a noun and a verb)
Data or Data (both pronunciations are correct)
Factor (can also be a verb, usually a phrasal verb “factor in,” means “take account of”).
Issue (Issue is both a noun and a verb, with kind of different meanings).
Research (both a noun and a verb)
Structure (can also be a verb).
Variables (that’s the plural noun, and of course the singular is “Variable”).