Breakdown of Error Categories on the Editing Test

Punctuation (commas): 1, 2, 7, 8, 15

Grammar:

    Agreement 13, 14, 16*, 23

    Case 19

    Possession: 9, 10, 22

    Modification 18

     Verb tense 24

Mechanics and Conventions of Usage

    Hyphens    4

    Dates    6

    Documentation (quotation marks, italics [a/k/a underlining]) 11, 12

    Lists    21

    Spelling out numbers 25

Spelling

    3, 5, 17, 20