Which One of the Following Paper-Pencil Assessments Is Most Likely

Multiple Choice

Which one of the following paper-pencil assessments is most likely to have a reliability problem when the teacher scores students' responses?

A) Ms. Gibbons asks students to describe the "first Thanksgiving" in one or two pages.
B) Mr. Hammond gives 50 true-false questions about the geography of Russia.
C) Ms. Sonnenschein administers a 30-item multiple-choice test about invertebrates.
D) Mr. Strauch gives a 15-word spelling test.